diff options
| author | Arnaud Charlet <charlet@adacore.com> | 2014-01-26 10:05:39 +0000 |
|---|---|---|
| committer | Arnaud Charlet <charlet@gcc.gnu.org> | 2014-01-26 11:05:39 +0100 |
| commit | 87e9c2a2f0ff3d48d8f0f4b4dc000ae4716aa16d (patch) | |
| tree | 773e968dcaf1c86cb25cfa90a968dcbcac7deac2 /gcc | |
| parent | b4dfb6814dd39b6bee77e76b52164bd864387528 (diff) | |
| download | gcc-87e9c2a2f0ff3d48d8f0f4b4dc000ae4716aa16d.zip gcc-87e9c2a2f0ff3d48d8f0f4b4dc000ae4716aa16d.tar.gz gcc-87e9c2a2f0ff3d48d8f0f4b4dc000ae4716aa16d.tar.bz2 | |
a-intnam-lynxos.ads, [...]: Removed, no longer maintained.
2014-01-26 Arnaud Charlet <charlet@adacore.com>
* a-intnam-lynxos.ads, mlib-tgt-specific-lynxos.adb,
s-osinte-lynxos-3.adb, s-osinte-lynxos-3.ads, s-osinte-lynxos.adb,
s-osinte-lynxos.ads, s-taprop-lynxos.adb, s-tpopsp-lynxos.adb,
system-lynxos-ppc.ads, system-lynxos-x86.ads: Removed, no longer
maintained.
From-SVN: r207114
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ada/ChangeLog | 8 | ||||
| -rw-r--r-- | gcc/ada/a-intnam-lynxos.ads | 166 | ||||
| -rw-r--r-- | gcc/ada/mlib-tgt-specific-lynxos.adb | 149 | ||||
| -rw-r--r-- | gcc/ada/s-osinte-lynxos-3.adb | 575 | ||||
| -rw-r--r-- | gcc/ada/s-osinte-lynxos-3.ads | 552 | ||||
| -rw-r--r-- | gcc/ada/s-osinte-lynxos.adb | 119 | ||||
| -rw-r--r-- | gcc/ada/s-osinte-lynxos.ads | 578 | ||||
| -rw-r--r-- | gcc/ada/s-taprop-lynxos.adb | 1423 | ||||
| -rw-r--r-- | gcc/ada/s-tpopsp-lynxos.adb | 111 | ||||
| -rw-r--r-- | gcc/ada/system-lynxos-ppc.ads | 157 | ||||
| -rw-r--r-- | gcc/ada/system-lynxos-x86.ads | 158 |
11 files changed, 8 insertions, 3988 deletions
diff --git a/gcc/ada/ChangeLog b/gcc/ada/ChangeLog index 175a4ea..363c4c9 100644 --- a/gcc/ada/ChangeLog +++ b/gcc/ada/ChangeLog @@ -1,3 +1,11 @@ +2014-01-26 Arnaud Charlet <charlet@adacore.com> + + * a-intnam-lynxos.ads, mlib-tgt-specific-lynxos.adb, + s-osinte-lynxos-3.adb, s-osinte-lynxos-3.ads, s-osinte-lynxos.adb, + s-osinte-lynxos.ads, s-taprop-lynxos.adb, s-tpopsp-lynxos.adb, + system-lynxos-ppc.ads, system-lynxos-x86.ads: Removed, no longer + maintained. + 2014-01-25 Eric Botcazou <ebotcazou@adacore.com> * gcc-interface/Makefile.in: Fix oversight. diff --git a/gcc/ada/a-intnam-lynxos.ads b/gcc/ada/a-intnam-lynxos.ads deleted file mode 100644 index c4e714c..0000000 --- a/gcc/ada/a-intnam-lynxos.ads +++ /dev/null @@ -1,166 +0,0 @@ ------------------------------------------------------------------------------- --- -- --- GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS -- --- -- --- A D A . I N T E R R U P T S . N A M E S -- --- -- --- S p e c -- --- -- --- Copyright (C) 1991-2011, Free Software Foundation, Inc. -- --- -- --- GNARL is free software; you can redistribute it and/or modify it under -- --- terms of the GNU General Public License as published by the Free Soft- -- --- ware Foundation; either version 3, or (at your option) any later ver- -- --- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- --- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- --- or FITNESS FOR A PARTICULAR PURPOSE. -- --- -- --- As a special exception under Section 7 of GPL version 3, you are granted -- --- additional permissions described in the GCC Runtime Library Exception, -- --- version 3.1, as published by the Free Software Foundation. -- --- -- --- You should have received a copy of the GNU General Public License and -- --- a copy of the GCC Runtime Library Exception along with this program; -- --- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- --- <http://www.gnu.org/licenses/>. -- --- -- --- GNARL was developed by the GNARL team at Florida State University. -- --- Extensive contributions were provided by Ada Core Technologies, Inc. -- --- -- ------------------------------------------------------------------------------- - --- This is a LynxOS version of this package - --- The following signals are reserved by the run time: - --- SIGFPE, SIGILL, SIGSEGV, SIGBUS, SIGTRAP, SIGABRT, SIGINT, --- SIGWAITING, SIGLWP, SIGTTIN, SIGTTOU, SIGTSTP, SIGPROF, SIGSTOP, SIGKILL - --- The pragma Unreserve_All_Interrupts affects the following signal(s): - --- SIGINT: made available for Ada handler - -with System.OS_Interface; - -package Ada.Interrupts.Names is - - -- All identifiers in this unit are implementation defined - - pragma Implementation_Defined; - - -- Beware that the mapping of names to signals may be many-to-one. There - -- may be aliases. - - SIGHUP : constant Interrupt_ID := - System.OS_Interface.SIGHUP; -- hangup - - SIGINT : constant Interrupt_ID := - System.OS_Interface.SIGINT; -- interrupt (rubout) - - SIGQUIT : constant Interrupt_ID := - System.OS_Interface.SIGQUIT; -- quit (ASCD FS) - - SIGILL : constant Interrupt_ID := - System.OS_Interface.SIGILL; -- illegal instruction (not reset) - - SIGTRAP : constant Interrupt_ID := - System.OS_Interface.SIGTRAP; -- trace trap (not reset) - - SIGBRK : constant Interrupt_ID := - System.OS_Interface.SIGBRK; -- break - - SIGIOT : constant Interrupt_ID := - System.OS_Interface.SIGIOT; -- IOT instruction - - SIGABRT : constant Interrupt_ID := -- used by abort, - System.OS_Interface.SIGABRT; -- replace SIGIOT in the future - - SIGCORE : constant Interrupt_ID := - System.OS_Interface.SIGCORE; -- kill with core dump - - SIGEMT : constant Interrupt_ID := - System.OS_Interface.SIGEMT; -- EMT instruction - - SIGFPE : constant Interrupt_ID := - System.OS_Interface.SIGFPE; -- floating point exception - - SIGKILL : constant Interrupt_ID := - System.OS_Interface.SIGKILL; -- kill (cannot be caught or ignored) - - SIGBUS : constant Interrupt_ID := - System.OS_Interface.SIGBUS; -- bus error - - SIGSEGV : constant Interrupt_ID := - System.OS_Interface.SIGSEGV; -- segmentation violation - - SIGSYS : constant Interrupt_ID := - System.OS_Interface.SIGSYS; -- bad argument to system call - - SIGPIPE : constant Interrupt_ID := -- write on a pipe with - System.OS_Interface.SIGPIPE; -- no one to read it - - SIGALRM : constant Interrupt_ID := - System.OS_Interface.SIGALRM; -- alarm clock - - SIGTERM : constant Interrupt_ID := - System.OS_Interface.SIGTERM; -- software termination signal from kill - - SIGURG : constant Interrupt_ID := - System.OS_Interface.SIGURG; -- urgent condition on IO channel - - SIGSTOP : constant Interrupt_ID := - System.OS_Interface.SIGSTOP; -- stop (cannot be caught or ignored) - - SIGTSTP : constant Interrupt_ID := - System.OS_Interface.SIGTSTP; -- user stop requested from tty - - SIGCONT : constant Interrupt_ID := - System.OS_Interface.SIGCONT; -- stopped process has been continued - - SIGCLD : constant Interrupt_ID := - System.OS_Interface.SIGCLD; -- child status change - - SIGCHLD : constant Interrupt_ID := - System.OS_Interface.SIGCHLD; -- 4.3BSD's/POSIX name for SIGCLD - - SIGTTIN : constant Interrupt_ID := - System.OS_Interface.SIGTTIN; -- background tty read attempted - - SIGTTOU : constant Interrupt_ID := - System.OS_Interface.SIGTTOU; -- background tty write attempted - - SIGPOLL : constant Interrupt_ID := - System.OS_Interface.SIGPOLL; -- pollable event occurred - - SIGIO : constant Interrupt_ID := -- input/output possible, - System.OS_Interface.SIGIO; -- SIGPOLL alias (Solaris) - - SIGXCPU : constant Interrupt_ID := - System.OS_Interface.SIGXCPU; -- CPU time limit exceeded - - SIGXFSZ : constant Interrupt_ID := - System.OS_Interface.SIGXFSZ; -- filesize limit exceeded - - SIGVTALRM : constant Interrupt_ID := - System.OS_Interface.SIGVTALRM; -- virtual timer expired - - SIGPROF : constant Interrupt_ID := - System.OS_Interface.SIGPROF; -- profiling timer expired - - SIGWINCH : constant Interrupt_ID := - System.OS_Interface.SIGWINCH; -- window size change - - SIGLOST : constant Interrupt_ID := - System.OS_Interface.SIGLOST; -- SUN 4.1 compatibility - - SIGUSR1 : constant Interrupt_ID := - System.OS_Interface.SIGUSR1; -- user defined signal 1 - - SIGUSR2 : constant Interrupt_ID := - System.OS_Interface.SIGUSR2; -- user defined signal 2 - - SIGPRIO : constant Interrupt_ID := - System.OS_Interface.SIGPRIO; - -- sent to a process with its priority - -- or group is changed -end Ada.Interrupts.Names; diff --git a/gcc/ada/mlib-tgt-specific-lynxos.adb b/gcc/ada/mlib-tgt-specific-lynxos.adb deleted file mode 100644 index cb1f877..0000000 --- a/gcc/ada/mlib-tgt-specific-lynxos.adb +++ /dev/null @@ -1,149 +0,0 @@ ------------------------------------------------------------------------------- --- -- --- GNAT COMPILER COMPONENTS -- --- -- --- M L I B . T G T . S P E C I F I C -- --- (LynxOS Version) -- --- -- --- B o d y -- --- -- --- Copyright (C) 2003-2008, Free Software Foundation, Inc. -- --- -- --- GNAT is free software; you can redistribute it and/or modify it under -- --- terms of the GNU General Public License as published by the Free Soft- -- --- ware Foundation; either version 3, or (at your option) any later ver- -- --- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- --- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- --- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -- --- for more details. You should have received a copy of the GNU General -- --- Public License distributed with GNAT; see file COPYING3. If not, go to -- --- http://www.gnu.org/licenses for a complete copy of the license. -- --- -- --- GNAT was originally developed by the GNAT team at New York University. -- --- Extensive contributions were provided by Ada Core Technologies Inc. -- --- -- ------------------------------------------------------------------------------- - --- This is the LynxOS version of the body - -package body MLib.Tgt.Specific is - - -- Non default subprograms - - procedure Build_Dynamic_Library - (Ofiles : Argument_List; - Options : Argument_List; - Interfaces : Argument_List; - Lib_Filename : String; - Lib_Dir : String; - Symbol_Data : Symbol_Record; - Driver_Name : Name_Id := No_Name; - Lib_Version : String := ""; - Auto_Init : Boolean := False); - - function DLL_Ext return String; - - function Dynamic_Option return String; - - function PIC_Option return String; - - function Library_Major_Minor_Id_Supported return Boolean; - - function Standalone_Library_Auto_Init_Is_Supported return Boolean; - - function Support_For_Libraries return Library_Support; - - --------------------------- - -- Build_Dynamic_Library -- - --------------------------- - - procedure Build_Dynamic_Library - (Ofiles : Argument_List; - Options : Argument_List; - Interfaces : Argument_List; - Lib_Filename : String; - Lib_Dir : String; - Symbol_Data : Symbol_Record; - Driver_Name : Name_Id := No_Name; - Lib_Version : String := ""; - Auto_Init : Boolean := False) - is - pragma Unreferenced (Ofiles); - pragma Unreferenced (Options); - pragma Unreferenced (Interfaces); - pragma Unreferenced (Lib_Filename); - pragma Unreferenced (Lib_Dir); - pragma Unreferenced (Symbol_Data); - pragma Unreferenced (Driver_Name); - pragma Unreferenced (Lib_Version); - pragma Unreferenced (Auto_Init); - - begin - null; - end Build_Dynamic_Library; - - ------------- - -- DLL_Ext -- - ------------- - - function DLL_Ext return String is - begin - return ""; - end DLL_Ext; - - -------------------- - -- Dynamic_Option -- - -------------------- - - function Dynamic_Option return String is - begin - return ""; - end Dynamic_Option; - - -------------------------------------- - -- Library_Major_Minor_Id_Supported -- - -------------------------------------- - - function Library_Major_Minor_Id_Supported return Boolean is - begin - return False; - end Library_Major_Minor_Id_Supported; - - ---------------- - -- PIC_Option -- - ---------------- - - function PIC_Option return String is - begin - return ""; - end PIC_Option; - - ----------------------------------------------- - -- Standalone_Library_Auto_Init_Is_Supported -- - ----------------------------------------------- - - function Standalone_Library_Auto_Init_Is_Supported return Boolean is - begin - return False; - end Standalone_Library_Auto_Init_Is_Supported; - - --------------------------- - -- Support_For_Libraries -- - --------------------------- - - function Support_For_Libraries return Library_Support is - begin - return Static_Only; - end Support_For_Libraries; - -begin - Build_Dynamic_Library_Ptr := Build_Dynamic_Library'Access; - DLL_Ext_Ptr := DLL_Ext'Access; - Dynamic_Option_Ptr := Dynamic_Option'Access; - Library_Major_Minor_Id_Supported_Ptr := - Library_Major_Minor_Id_Supported'Access; - PIC_Option_Ptr := PIC_Option'Access; - Standalone_Library_Auto_Init_Is_Supported_Ptr := - Standalone_Library_Auto_Init_Is_Supported'Access; - Support_For_Libraries_Ptr := Support_For_Libraries'Access; -end MLib.Tgt.Specific; diff --git a/gcc/ada/s-osinte-lynxos-3.adb b/gcc/ada/s-osinte-lynxos-3.adb deleted file mode 100644 index 0a4a3de..0000000 --- a/gcc/ada/s-osinte-lynxos-3.adb +++ /dev/null @@ -1,575 +0,0 @@ ------------------------------------------------------------------------------- --- -- --- GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS -- --- -- --- S Y S T E M . O S _ I N T E R F A C E -- --- -- --- B o d y -- --- -- --- Copyright (C) 1999-2009, Free Software Foundation, Inc. -- --- -- --- GNARL is free software; you can redistribute it and/or modify it under -- --- terms of the GNU General Public License as published by the Free Soft- -- --- ware Foundation; either version 3, or (at your option) any later ver- -- --- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- --- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- --- or FITNESS FOR A PARTICULAR PURPOSE. -- --- -- --- As a special exception under Section 7 of GPL version 3, you are granted -- --- additional permissions described in the GCC Runtime Library Exception, -- --- version 3.1, as published by the Free Software Foundation. -- --- -- --- You should have received a copy of the GNU General Public License and -- --- a copy of the GCC Runtime Library Exception along with this program; -- --- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- --- <http://www.gnu.org/licenses/>. -- --- -- --- GNARL was developed by the GNARL team at Florida State University. -- --- Extensive contributions were provided by Ada Core Technologies, Inc. -- --- -- ------------------------------------------------------------------------------- - --- This is a LynxOS (Native) version of this package - -pragma Polling (Off); --- Turn off polling, we do not want ATC polling to take place during --- tasking operations. It causes infinite loops and other problems. - -package body System.OS_Interface is - - use Interfaces.C; - - ------------------- - -- clock_gettime -- - ------------------- - - function clock_gettime - (clock_id : clockid_t; - tp : access timespec) - return int - is - function clock_gettime_base - (clock_id : clockid_t; - tp : access timespec) - return int; - pragma Import (C, clock_gettime_base, "clock_gettime"); - - begin - if clock_gettime_base (clock_id, tp) /= 0 then - return errno; - end if; - - return 0; - end clock_gettime; - - ----------------- - -- To_Duration -- - ----------------- - - function To_Duration (TS : timespec) return Duration is - begin - return Duration (TS.tv_sec) + Duration (TS.tv_nsec) / 10#1#E9; - end To_Duration; - - ------------------------ - -- To_Target_Priority -- - ------------------------ - - function To_Target_Priority - (Prio : System.Any_Priority) return Interfaces.C.int - is - begin - return Interfaces.C.int (Prio); - end To_Target_Priority; - - ----------------- - -- To_Timespec -- - ----------------- - - function To_Timespec (D : Duration) return timespec is - S : time_t; - F : Duration; - - begin - S := time_t (Long_Long_Integer (D)); - F := D - Duration (S); - - -- If F has negative value due to a round-up, adjust for positive F - -- value. - - if F < 0.0 then - S := S - 1; - F := F + 1.0; - end if; - - return timespec'(tv_sec => S, - tv_nsec => long (Long_Long_Integer (F * 10#1#E9))); - end To_Timespec; - - ------------------------- - -- POSIX.1c Section 3 -- - ------------------------- - - function sigwait - (set : access sigset_t; - sig : access Signal) - return int - is - function sigwait_base - (set : access sigset_t; - value : System.Address) - return Signal; - pragma Import (C, sigwait_base, "sigwait"); - - begin - sig.all := sigwait_base (set, Null_Address); - - if sig.all = -1 then - return errno; - end if; - - return 0; - end sigwait; - - -------------------------- - -- POSIX.1c Section 11 -- - -------------------------- - - -- For all the following functions, LynxOS threads has the POSIX Draft 4 - -- behavior; it sets errno but the standard Posix requires it to be - -- returned. - - function pthread_mutexattr_init - (attr : access pthread_mutexattr_t) - return int - is - function pthread_mutexattr_create - (attr : access pthread_mutexattr_t) - return int; - pragma Import (C, pthread_mutexattr_create, "pthread_mutexattr_create"); - - begin - if pthread_mutexattr_create (attr) /= 0 then - return errno; - end if; - - return 0; - end pthread_mutexattr_init; - - function pthread_mutexattr_destroy - (attr : access pthread_mutexattr_t) - return int - is - function pthread_mutexattr_delete - (attr : access pthread_mutexattr_t) - return int; - pragma Import (C, pthread_mutexattr_delete, "pthread_mutexattr_delete"); - - begin - if pthread_mutexattr_delete (attr) /= 0 then - return errno; - end if; - - return 0; - end pthread_mutexattr_destroy; - - function pthread_mutex_init - (mutex : access pthread_mutex_t; - attr : access pthread_mutexattr_t) - return int - is - function pthread_mutex_init_base - (mutex : access pthread_mutex_t; - attr : pthread_mutexattr_t) - return int; - pragma Import (C, pthread_mutex_init_base, "pthread_mutex_init"); - - begin - if pthread_mutex_init_base (mutex, attr.all) /= 0 then - return errno; - end if; - - return 0; - end pthread_mutex_init; - - function pthread_mutex_destroy - (mutex : access pthread_mutex_t) - return int - is - function pthread_mutex_destroy_base - (mutex : access pthread_mutex_t) - return int; - pragma Import (C, pthread_mutex_destroy_base, "pthread_mutex_destroy"); - - begin - if pthread_mutex_destroy_base (mutex) /= 0 then - return errno; - end if; - - return 0; - end pthread_mutex_destroy; - - function pthread_mutex_lock - (mutex : access pthread_mutex_t) - return int - is - function pthread_mutex_lock_base - (mutex : access pthread_mutex_t) - return int; - pragma Import (C, pthread_mutex_lock_base, "pthread_mutex_lock"); - - begin - if pthread_mutex_lock_base (mutex) /= 0 then - return errno; - end if; - - return 0; - end pthread_mutex_lock; - - function pthread_mutex_unlock - (mutex : access pthread_mutex_t) - return int - is - function pthread_mutex_unlock_base - (mutex : access pthread_mutex_t) - return int; - pragma Import (C, pthread_mutex_unlock_base, "pthread_mutex_unlock"); - - begin - if pthread_mutex_unlock_base (mutex) /= 0 then - return errno; - end if; - - return 0; - end pthread_mutex_unlock; - - function pthread_condattr_init - (attr : access pthread_condattr_t) - return int - is - function pthread_condattr_create - (attr : access pthread_condattr_t) - return int; - pragma Import (C, pthread_condattr_create, "pthread_condattr_create"); - - begin - if pthread_condattr_create (attr) /= 0 then - return errno; - end if; - - return 0; - end pthread_condattr_init; - - function pthread_condattr_destroy - (attr : access pthread_condattr_t) - return int - is - function pthread_condattr_delete - (attr : access pthread_condattr_t) - return int; - pragma Import (C, pthread_condattr_delete, "pthread_condattr_delete"); - - begin - if pthread_condattr_delete (attr) /= 0 then - return errno; - end if; - - return 0; - end pthread_condattr_destroy; - - function pthread_cond_init - (cond : access pthread_cond_t; - attr : access pthread_condattr_t) - return int - is - function pthread_cond_init_base - (cond : access pthread_cond_t; - attr : pthread_condattr_t) - return int; - pragma Import (C, pthread_cond_init_base, "pthread_cond_init"); - - begin - if pthread_cond_init_base (cond, attr.all) /= 0 then - return errno; - end if; - - return 0; - end pthread_cond_init; - - function pthread_cond_destroy - (cond : access pthread_cond_t) - return int - is - function pthread_cond_destroy_base - (cond : access pthread_cond_t) - return int; - pragma Import (C, pthread_cond_destroy_base, "pthread_cond_destroy"); - - begin - if pthread_cond_destroy_base (cond) /= 0 then - return errno; - end if; - - return 0; - end pthread_cond_destroy; - - function pthread_cond_signal - (cond : access pthread_cond_t) - return int - is - function pthread_cond_signal_base - (cond : access pthread_cond_t) - return int; - pragma Import (C, pthread_cond_signal_base, "pthread_cond_signal"); - - begin - if pthread_cond_signal_base (cond) /= 0 then - return errno; - end if; - - return 0; - end pthread_cond_signal; - - function pthread_cond_wait - (cond : access pthread_cond_t; - mutex : access pthread_mutex_t) - return int - is - function pthread_cond_wait_base - (cond : access pthread_cond_t; - mutex : access pthread_mutex_t) - return int; - pragma Import (C, pthread_cond_wait_base, "pthread_cond_wait"); - - begin - if pthread_cond_wait_base (cond, mutex) /= 0 then - return errno; - end if; - - return 0; - end pthread_cond_wait; - - function pthread_cond_timedwait - (cond : access pthread_cond_t; - mutex : access pthread_mutex_t; - reltime : access timespec) return int - is - function pthread_cond_timedwait_base - (cond : access pthread_cond_t; - mutex : access pthread_mutex_t; - reltime : access timespec) return int; - pragma Import (C, pthread_cond_timedwait_base, "pthread_cond_timedwait"); - - begin - if pthread_cond_timedwait_base (cond, mutex, reltime) /= 0 then - if errno = EAGAIN then - return ETIMEDOUT; - end if; - - return errno; - end if; - - return 0; - end pthread_cond_timedwait; - - -------------------------- - -- POSIX.1c Section 13 -- - -------------------------- - - function pthread_setschedparam - (thread : pthread_t; - policy : int; - param : access struct_sched_param) - return int - is - function pthread_setscheduler - (thread : pthread_t; - policy : int; - prio : int) - return int; - pragma Import (C, pthread_setscheduler, "pthread_setscheduler"); - - begin - if pthread_setscheduler (thread, policy, param.sched_priority) = -1 then - return errno; - end if; - - return 0; - end pthread_setschedparam; - - function pthread_mutexattr_setprotocol - (attr : access pthread_mutexattr_t; - protocol : int) - return int - is - pragma Unreferenced (attr, protocol); - begin - return 0; - end pthread_mutexattr_setprotocol; - - function pthread_mutexattr_setprioceiling - (attr : access pthread_mutexattr_t; - prioceiling : int) - return int - is - pragma Unreferenced (attr, prioceiling); - begin - return 0; - end pthread_mutexattr_setprioceiling; - - function pthread_attr_setscope - (attr : access pthread_attr_t; - contentionscope : int) - return int - is - pragma Unreferenced (attr, contentionscope); - begin - return 0; - end pthread_attr_setscope; - - function sched_yield return int is - procedure pthread_yield; - pragma Import (C, pthread_yield, "pthread_yield"); - - begin - pthread_yield; - return 0; - end sched_yield; - - ----------------------------- - -- P1003.1c - Section 16 -- - ----------------------------- - - function pthread_attr_setdetachstate - (attr : access pthread_attr_t; - detachstate : int) - return int - is - pragma Unreferenced (attr, detachstate); - begin - return 0; - end pthread_attr_setdetachstate; - - function pthread_create - (thread : access pthread_t; - attributes : access pthread_attr_t; - start_routine : Thread_Body; - arg : System.Address) - return int - is - -- The LynxOS pthread_create doesn't seems to work. - -- Workaround : We're using st_new instead. - -- - -- function pthread_create_base - -- (thread : access pthread_t; - -- attributes : pthread_attr_t; - -- start_routine : Thread_Body; - -- arg : System.Address) - -- return int; - -- pragma Import (C, pthread_create_base, "pthread_create"); - - St : aliased st_t := attributes.st; - - function st_new - (start_routine : Thread_Body; - arg : System.Address; - attributes : access st_t; - thread : access pthread_t) - return int; - pragma Import (C, st_new, "st_new"); - - begin - -- Following code would be used if above commented function worked - - -- if pthread_create_base - -- (thread, attributes.all, start_routine, arg) /= 0 then - - if st_new (start_routine, arg, St'Access, thread) /= 0 then - return errno; - end if; - - return 0; - end pthread_create; - - function pthread_detach (thread : pthread_t) return int is - aliased_thread : aliased pthread_t := thread; - - function pthread_detach_base (thread : access pthread_t) return int; - pragma Import (C, pthread_detach_base, "pthread_detach"); - - begin - if pthread_detach_base (aliased_thread'Access) /= 0 then - return errno; - end if; - - return 0; - end pthread_detach; - - -------------------------- - -- POSIX.1c Section 17 -- - -------------------------- - - function pthread_setspecific - (key : pthread_key_t; - value : System.Address) - return int - is - function pthread_setspecific_base - (key : pthread_key_t; - value : System.Address) - return int; - pragma Import (C, pthread_setspecific_base, "pthread_setspecific"); - - begin - if pthread_setspecific_base (key, value) /= 0 then - return errno; - end if; - - return 0; - end pthread_setspecific; - - function pthread_getspecific (key : pthread_key_t) return System.Address is - procedure pthread_getspecific_base - (key : pthread_key_t; - value : access System.Address); - pragma Import (C, pthread_getspecific_base, "pthread_getspecific"); - - value : aliased System.Address := System.Null_Address; - - begin - pthread_getspecific_base (key, value'Unchecked_Access); - return value; - end pthread_getspecific; - - function Get_Stack_Base (thread : pthread_t) return Address is - pragma Warnings (Off, thread); - - begin - return Null_Address; - end Get_Stack_Base; - - function pthread_key_create - (key : access pthread_key_t; - destructor : destructor_pointer) - return int - is - function pthread_keycreate - (key : access pthread_key_t; - destructor : destructor_pointer) - return int; - pragma Import (C, pthread_keycreate, "pthread_keycreate"); - - begin - if pthread_keycreate (key, destructor) /= 0 then - return errno; - end if; - - return 0; - end pthread_key_create; - - procedure pthread_init is - begin - null; - end pthread_init; - -end System.OS_Interface; diff --git a/gcc/ada/s-osinte-lynxos-3.ads b/gcc/ada/s-osinte-lynxos-3.ads deleted file mode 100644 index e8288d9..0000000 --- a/gcc/ada/s-osinte-lynxos-3.ads +++ /dev/null @@ -1,552 +0,0 @@ ------------------------------------------------------------------------------- --- -- --- GNAT RUN-TIME COMPONENTS -- --- -- --- S Y S T E M . O S _ I N T E R F A C E -- --- -- --- S p e c -- --- -- --- Copyright (C) 1991-1994, Florida State University -- --- Copyright (C) 1995-2011, Free Software Foundation, Inc. -- --- -- --- GNAT is free software; you can redistribute it and/or modify it under -- --- terms of the GNU General Public License as published by the Free Soft- -- --- ware Foundation; either version 3, or (at your option) any later ver- -- --- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- --- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- --- or FITNESS FOR A PARTICULAR PURPOSE. -- --- -- --- As a special exception under Section 7 of GPL version 3, you are granted -- --- additional permissions described in the GCC Runtime Library Exception, -- --- version 3.1, as published by the Free Software Foundation. -- --- -- --- You should have received a copy of the GNU General Public License and -- --- a copy of the GCC Runtime Library Exception along with this program; -- --- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- --- <http://www.gnu.org/licenses/>. -- --- -- --- GNAT was originally developed by the GNAT team at New York University. -- --- Extensive contributions were provided by Ada Core Technologies Inc. -- --- -- ------------------------------------------------------------------------------- - --- This is a LynxOS (Native) version of this package - --- This package encapsulates all direct interfaces to OS services --- that are needed by the tasking run-time (libgnarl). - --- PLEASE DO NOT add any with-clauses to this package or remove the pragma --- Preelaborate. This package is designed to be a bottom-level (leaf) package. - -with Ada.Unchecked_Conversion; - -with Interfaces.C; - -package System.OS_Interface is - pragma Preelaborate; - - pragma Linker_Options ("-mthreads"); - - subtype int is Interfaces.C.int; - subtype char is Interfaces.C.char; - subtype short is Interfaces.C.short; - subtype long is Interfaces.C.long; - subtype unsigned is Interfaces.C.unsigned; - subtype unsigned_short is Interfaces.C.unsigned_short; - subtype unsigned_long is Interfaces.C.unsigned_long; - subtype unsigned_char is Interfaces.C.unsigned_char; - subtype plain_char is Interfaces.C.plain_char; - subtype size_t is Interfaces.C.size_t; - - ----------- - -- Errno -- - ----------- - - function errno return int; - pragma Import (C, errno, "__get_errno"); - - EAGAIN : constant := 11; - EINTR : constant := 4; - EINVAL : constant := 22; - ENOMEM : constant := 12; - ETIMEDOUT : constant := 60; - - ------------- - -- Signals -- - ------------- - - Max_Interrupt : constant := 63; - type Signal is new int range 0 .. Max_Interrupt; - for Signal'Size use int'Size; - - SIGHUP : constant := 1; -- hangup - SIGINT : constant := 2; -- interrupt (rubout) - SIGQUIT : constant := 3; -- quit (ASCD FS) - SIGILL : constant := 4; -- illegal instruction (not reset) - SIGTRAP : constant := 5; -- trace trap (not reset) - SIGBRK : constant := 6; -- break - SIGIOT : constant := 6; -- IOT instruction - SIGABRT : constant := 6; -- used by abort, replace SIGIOT in the future - SIGCORE : constant := 7; -- kill with core dump - SIGEMT : constant := 7; -- EMT instruction - SIGFPE : constant := 8; -- floating point exception - SIGKILL : constant := 9; -- kill (cannot be caught or ignored) - SIGBUS : constant := 10; -- bus error - SIGSEGV : constant := 11; -- segmentation violation - SIGSYS : constant := 12; -- bad argument to system call - SIGPIPE : constant := 13; -- write on a pipe with no one to read it - SIGALRM : constant := 14; -- alarm clock - SIGTERM : constant := 15; -- software termination signal from kill - SIGURG : constant := 16; -- urgent condition on IO channel - SIGSTOP : constant := 17; -- stop (cannot be caught or ignored) - SIGTSTP : constant := 18; -- user stop requested from tty - SIGCONT : constant := 19; -- stopped process has been continued - SIGCLD : constant := 20; -- alias for SIGCHLD - SIGCHLD : constant := 20; -- child status change - SIGTTIN : constant := 21; -- background tty read attempted - SIGTTOU : constant := 22; -- background tty write attempted - SIGIO : constant := 23; -- I/O possible (Solaris SIGPOLL alias) - SIGPOLL : constant := 23; -- pollable event occurred - SIGXCPU : constant := 24; -- CPU time limit exceeded - SIGXFSZ : constant := 25; -- filesize limit exceeded - SIGVTALRM : constant := 26; -- virtual timer expired - SIGPROF : constant := 27; -- profiling timer expired - SIGWINCH : constant := 28; -- window size change - SIGLOST : constant := 29; -- SUN 4.1 compatibility - SIGUSR1 : constant := 30; -- user defined signal 1 - SIGUSR2 : constant := 31; -- user defined signal 2 - SIGPRIO : constant := 32; -- sent to a process with its priority or - -- group is changed - - SIGADAABORT : constant := SIGABRT; - -- Change this if you want to use another signal for task abort. - -- SIGTERM might be a good one. - - type Signal_Set is array (Natural range <>) of Signal; - - Unmasked : constant Signal_Set := - (SIGTRAP, SIGTTIN, SIGTTOU, SIGTSTP, SIGPROF); - Reserved : constant Signal_Set := (SIGABRT, SIGKILL, SIGSTOP, SIGPRIO); - - type sigset_t is private; - - function sigaddset (set : access sigset_t; sig : Signal) return int; - pragma Import (C, sigaddset, "sigaddset"); - - function sigdelset (set : access sigset_t; sig : Signal) return int; - pragma Import (C, sigdelset, "sigdelset"); - - function sigfillset (set : access sigset_t) return int; - pragma Import (C, sigfillset, "sigfillset"); - - function sigismember (set : access sigset_t; sig : Signal) return int; - pragma Import (C, sigismember, "sigismember"); - - function sigemptyset (set : access sigset_t) return int; - pragma Import (C, sigemptyset, "sigemptyset"); - - type struct_sigaction is record - sa_handler : System.Address; - sa_mask : sigset_t; - sa_flags : int; - end record; - pragma Convention (C, struct_sigaction); - type struct_sigaction_ptr is access all struct_sigaction; - - SA_SIGINFO : constant := 16#80#; - - SIG_BLOCK : constant := 0; - SIG_UNBLOCK : constant := 1; - SIG_SETMASK : constant := 2; - - SIG_DFL : constant := 0; - SIG_IGN : constant := 1; - - function sigaction - (sig : Signal; - act : struct_sigaction_ptr; - oact : struct_sigaction_ptr) return int; - pragma Import (C, sigaction, "sigaction"); - - ---------- - -- Time -- - ---------- - - Time_Slice_Supported : constant Boolean := True; - -- Indicates whether time slicing is supported - - type timespec is private; - - type clockid_t is new int; - - function clock_gettime - (clock_id : clockid_t; - tp : access timespec) return int; - pragma Inline (clock_gettime); - -- LynxOS has non standard clock_gettime - - function To_Duration (TS : timespec) return Duration; - pragma Inline (To_Duration); - - function To_Timespec (D : Duration) return timespec; - pragma Inline (To_Timespec); - - type struct_timezone is record - tz_minuteswest : int; - tz_dsttime : int; - end record; - pragma Convention (C, struct_timezone); - type struct_timezone_ptr is access all struct_timezone; - - ------------------------- - -- Priority Scheduling -- - ------------------------- - - SCHED_FIFO : constant := 16#00200000#; - SCHED_RR : constant := 16#00100000#; - SCHED_OTHER : constant := 16#00400000#; - - function To_Target_Priority - (Prio : System.Any_Priority) return Interfaces.C.int; - -- Maps System.Any_Priority to a POSIX priority - - ------------- - -- Process -- - ------------- - - type pid_t is private; - - function kill (pid : pid_t; sig : Signal) return int; - pragma Import (C, kill, "kill"); - - function getpid return pid_t; - pragma Import (C, getpid, "getpid"); - - --------- - -- LWP -- - --------- - - function lwp_self return System.Address; - -- lwp_self does not exist on this thread library, revert to pthread_self - -- which is the closest approximation (with getpid). This function is - -- needed to share 7staprop.adb across POSIX-like targets. - pragma Import (C, lwp_self, "pthread_self"); - - ------------- - -- Threads -- - ------------- - - type Thread_Body is access - function (arg : System.Address) return System.Address; - pragma Convention (C, Thread_Body); - - function Thread_Body_Access is new - Ada.Unchecked_Conversion (System.Address, Thread_Body); - - type pthread_t is private; - subtype Thread_Id is pthread_t; - - type pthread_mutex_t is limited private; - type pthread_cond_t is limited private; - type st_t is limited private; - type pthread_attr_t is limited private; - type pthread_mutexattr_t is limited private; - type pthread_condattr_t is limited private; - type pthread_key_t is private; - - PTHREAD_CREATE_DETACHED : constant := 0; - - PTHREAD_SCOPE_PROCESS : constant := 0; - PTHREAD_SCOPE_SYSTEM : constant := 1; - - ----------- - -- Stack -- - ----------- - - Alternate_Stack_Size : constant := 0; - -- No alternate signal stack is used on this platform - - Stack_Base_Available : constant Boolean := False; - -- Indicates whether the stack base is available on this target - - function Get_Stack_Base (thread : pthread_t) return Address; - pragma Inline (Get_Stack_Base); - -- returns the stack base of the specified thread. - -- Only call this function when Stack_Base_Available is True. - - function Get_Page_Size return size_t; - function Get_Page_Size return Address; - pragma Import (C, Get_Page_Size, "getpagesize"); - -- returns the size of a page, or 0 if this is not relevant on this - -- target - - PROT_NONE : constant := 0; - PROT_READ : constant := 1; - PROT_WRITE : constant := 2; - PROT_EXEC : constant := 4; - PROT_USER : constant := 8; - PROT_ALL : constant := PROT_READ + PROT_WRITE + PROT_EXEC + PROT_USER; - - PROT_ON : constant := PROT_READ; - PROT_OFF : constant := PROT_ALL; - - function mprotect (addr : Address; len : size_t; prot : int) return int; - pragma Import (C, mprotect); - - ------------------------- - -- POSIX.1c Section 3 -- - ------------------------- - - function sigwait - (set : access sigset_t; - sig : access Signal) return int; - pragma Inline (sigwait); - -- LynxOS has non standard sigwait - - function pthread_kill (thread : pthread_t; sig : Signal) return int; - pragma Import (C, pthread_kill, "pthread_kill"); - - function pthread_sigmask - (how : int; - set : access sigset_t; - oset : access sigset_t) return int; - pragma Import (C, pthread_sigmask, "sigprocmask"); - - -------------------------- - -- POSIX.1c Section 11 -- - -------------------------- - - function pthread_mutexattr_init - (attr : access pthread_mutexattr_t) return int; - pragma Inline (pthread_mutexattr_init); - -- LynxOS has a nonstandard pthread_mutexattr_init - - function pthread_mutexattr_destroy - (attr : access pthread_mutexattr_t) return int; - pragma Inline (pthread_mutexattr_destroy); - -- Lynxos has a nonstandard pthread_mutexattr_destroy - - function pthread_mutex_init - (mutex : access pthread_mutex_t; - attr : access pthread_mutexattr_t) return int; - pragma Inline (pthread_mutex_init); - -- LynxOS has a nonstandard pthread_mutex_init - - function pthread_mutex_destroy (mutex : access pthread_mutex_t) return int; - pragma Inline (pthread_mutex_destroy); - -- LynxOS has a nonstandard pthread_mutex_destroy - - function pthread_mutex_lock (mutex : access pthread_mutex_t) return int; - pragma Inline (pthread_mutex_lock); - -- LynxOS has a nonstandard pthread_mutex_lock - - function pthread_mutex_unlock (mutex : access pthread_mutex_t) return int; - pragma Inline (pthread_mutex_unlock); - -- LynxOS has a nonstandard pthread_mutex_unlock - - function pthread_condattr_init - (attr : access pthread_condattr_t) return int; - pragma Inline (pthread_condattr_init); - -- LynxOS has a nonstandard pthread_condattr_init - - function pthread_condattr_destroy - (attr : access pthread_condattr_t) return int; - pragma Inline (pthread_condattr_destroy); - -- LynxOS has a nonstandard pthread_condattr_destroy - - function pthread_cond_init - (cond : access pthread_cond_t; - attr : access pthread_condattr_t) return int; - pragma Inline (pthread_cond_init); - -- LynxOS has a non standard pthread_cond_init - - function pthread_cond_destroy (cond : access pthread_cond_t) return int; - pragma Inline (pthread_cond_destroy); - -- LynxOS has a nonstandard pthread_cond_destroy - - function pthread_cond_signal (cond : access pthread_cond_t) return int; - pragma Inline (pthread_cond_signal); - -- LynxOS has a nonstandard pthread_cond_signal - - function pthread_cond_wait - (cond : access pthread_cond_t; - mutex : access pthread_mutex_t) return int; - pragma Inline (pthread_cond_wait); - -- LynxOS has a nonstandard pthread_cond_wait - - function pthread_cond_timedwait - (cond : access pthread_cond_t; - mutex : access pthread_mutex_t; - reltime : access timespec) return int; - pragma Inline (pthread_cond_timedwait); - -- LynxOS has a nonstandard pthread_cond_timedwait - - Relative_Timed_Wait : constant Boolean := True; - -- pthread_cond_timedwait requires a relative delay time - - -------------------------- - -- POSIX.1c Section 13 -- - -------------------------- - - PTHREAD_PRIO_NONE : constant := 0; - PTHREAD_PRIO_INHERIT : constant := 0; - PTHREAD_PRIO_PROTECT : constant := 0; - - type struct_sched_param is record - sched_priority : int; -- scheduling priority - end record; - - function pthread_setschedparam - (thread : pthread_t; - policy : int; - param : access struct_sched_param) return int; - pragma Inline (pthread_setschedparam); - -- LynxOS doesn't have pthread_setschedparam. - -- Instead, use pthread_setscheduler - - function pthread_mutexattr_setprotocol - (attr : access pthread_mutexattr_t; - protocol : int) return int; - pragma Inline (pthread_mutexattr_setprotocol); - -- LynxOS doesn't have pthread_mutexattr_setprotocol - - function pthread_mutexattr_setprioceiling - (attr : access pthread_mutexattr_t; - prioceiling : int) return int; - pragma Inline (pthread_mutexattr_setprioceiling); - -- LynxOS doesn't have pthread_mutexattr_setprioceiling - - function pthread_attr_setscope - (attr : access pthread_attr_t; - contentionscope : int) return int; - -- LynxOS doesn't have pthread_attr_setscope: all threads have system scope - pragma Inline (pthread_attr_setscope); - - function pthread_attr_setschedpolicy - (attr : access pthread_attr_t; - policy : int) return int; - pragma Import (C, pthread_attr_setschedpolicy, "pthread_attr_setsched"); - - function sched_yield return int; - -- pragma Import (C, sched_yield, "sched_yield"); - pragma Inline (sched_yield); - - --------------------------- - -- P1003.1c - Section 16 -- - --------------------------- - - function pthread_attr_init (attributes : access pthread_attr_t) return int; - pragma Import (C, pthread_attr_init, "pthread_attr_create"); - - function pthread_attr_destroy - (attributes : access pthread_attr_t) return int; - pragma Import (C, pthread_attr_destroy, "pthread_attr_delete"); - - function pthread_attr_setdetachstate - (attr : access pthread_attr_t; - detachstate : int) return int; - pragma Inline (pthread_attr_setdetachstate); - -- LynxOS doesn't have pthread_attr_setdetachstate - - function pthread_attr_setstacksize - (attr : access pthread_attr_t; - stacksize : size_t) return int; - pragma Import (C, pthread_attr_setstacksize, "pthread_attr_setstacksize"); - - function pthread_create - (thread : access pthread_t; - attributes : access pthread_attr_t; - start_routine : Thread_Body; - arg : System.Address) return int; - pragma Inline (pthread_create); - -- LynxOS has a non standard pthread_create - - function pthread_detach (thread : pthread_t) return int; - pragma Inline (pthread_detach); - - procedure pthread_exit (status : System.Address); - pragma Import (C, pthread_exit, "pthread_exit"); - - function pthread_self return pthread_t; - pragma Import (C, pthread_self, "pthread_self"); - - -------------------------- - -- POSIX.1c Section 17 -- - -------------------------- - - function pthread_setspecific - (key : pthread_key_t; - value : System.Address) return int; - pragma Inline (pthread_setspecific); - -- LynxOS has a non standard pthread_setspecific - - function pthread_getspecific (key : pthread_key_t) return System.Address; - pragma Inline (pthread_getspecific); - -- LynxOS has a non standard pthread_getspecific - - type destructor_pointer is access procedure (arg : System.Address); - pragma Convention (C, destructor_pointer); - - function pthread_key_create - (key : access pthread_key_t; - destructor : destructor_pointer) return int; - pragma Inline (pthread_key_create); - -- LynxOS has a non standard pthread_keycreate - - procedure pthread_init; - -- This is a dummy procedure to share some GNULLI files - -private - - type sigbit_array is array (1 .. 2) of long; - type sigset_t is record - sa_sigbits : sigbit_array; - end record; - pragma Convention (C_Pass_By_Copy, sigset_t); - - type pid_t is new long; - - type time_t is new long; - - type timespec is record - tv_sec : time_t; - tv_nsec : long; - end record; - pragma Convention (C, timespec); - - type st_t is record - stksize : int; - prio : int; - inheritsched : int; - state : int; - sched : int; - end record; - pragma Convention (C, st_t); - - type pthread_attr_t is record - st : st_t; - pthread_attr_scope : int; -- ignored - end record; - pragma Convention (C, pthread_attr_t); - - type pthread_condattr_t is new int; - - type pthread_mutexattr_t is new int; - - type tid_t is new short; - type pthread_t is new tid_t; - - type synch_ptr is access all pthread_mutex_t; - type pthread_mutex_t is record - w_count : int; - mut_owner : int; - id : unsigned; - next : synch_ptr; - end record; - pragma Convention (C, pthread_mutex_t); - - type pthread_cond_t is new pthread_mutex_t; - - type pthread_key_t is new int; - -end System.OS_Interface; diff --git a/gcc/ada/s-osinte-lynxos.adb b/gcc/ada/s-osinte-lynxos.adb deleted file mode 100644 index 4b9957d..0000000 --- a/gcc/ada/s-osinte-lynxos.adb +++ /dev/null @@ -1,119 +0,0 @@ ------------------------------------------------------------------------------- --- -- --- GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS -- --- -- --- S Y S T E M . O S _ I N T E R F A C E -- --- -- --- B o d y -- --- -- --- Copyright (C) 2001-2010, AdaCore -- --- -- --- GNAT is free software; you can redistribute it and/or modify it under -- --- terms of the GNU General Public License as published by the Free Soft- -- --- ware Foundation; either version 3, or (at your option) any later ver- -- --- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- --- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- --- or FITNESS FOR A PARTICULAR PURPOSE. -- --- -- --- As a special exception under Section 7 of GPL version 3, you are granted -- --- additional permissions described in the GCC Runtime Library Exception, -- --- version 3.1, as published by the Free Software Foundation. -- --- -- --- You should have received a copy of the GNU General Public License and -- --- a copy of the GCC Runtime Library Exception along with this program; -- --- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- --- <http://www.gnu.org/licenses/>. -- --- -- --- GNARL was developed by the GNARL team at Florida State University. -- --- Extensive contributions were provided by Ada Core Technologies, Inc. -- --- -- ------------------------------------------------------------------------------- - --- This is a LynxOS (POSIX Threads) version of this package - -pragma Polling (Off); --- Turn off polling, we do not want ATC polling to take place during --- tasking operations. It causes infinite loops and other problems. - -package body System.OS_Interface is - - use Interfaces.C; - - ----------------- - -- To_Duration -- - ----------------- - - function To_Duration (TS : timespec) return Duration is - begin - return Duration (TS.tv_sec) + Duration (TS.tv_nsec) / 10#1#E9; - end To_Duration; - - ----------------- - -- To_Timespec -- - ----------------- - - function To_Timespec (D : Duration) return timespec is - S : time_t; - F : Duration; - - begin - S := time_t (Long_Long_Integer (D)); - F := D - Duration (S); - - -- If F has negative value due to a round-up, adjust for positive F - -- value. - - if F < 0.0 then - S := S - 1; - F := F + 1.0; - end if; - - return timespec'(tv_sec => S, - tv_nsec => long (Long_Long_Integer (F * 10#1#E9))); - end To_Timespec; - - ------------- - -- sigwait -- - ------------- - - function sigwait - (set : access sigset_t; - sig : access Signal) - return int - is - function sigwaitinfo - (set : access sigset_t; - info : System.Address) return Signal; - pragma Import (C, sigwaitinfo, "sigwaitinfo"); - - begin - sig.all := sigwaitinfo (set, Null_Address); - - if sig.all = -1 then - return errno; - end if; - - return 0; - end sigwait; - - -------------------- - -- Get_Stack_Base -- - -------------------- - - function Get_Stack_Base (thread : pthread_t) return Address is - pragma Warnings (Off, thread); - - begin - return Null_Address; - end Get_Stack_Base; - - ------------------ - -- pthread_init -- - ------------------ - - procedure pthread_init is - begin - null; - end pthread_init; - -end System.OS_Interface; diff --git a/gcc/ada/s-osinte-lynxos.ads b/gcc/ada/s-osinte-lynxos.ads deleted file mode 100644 index 7bcbab6..0000000 --- a/gcc/ada/s-osinte-lynxos.ads +++ /dev/null @@ -1,578 +0,0 @@ ------------------------------------------------------------------------------- --- -- --- GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS -- --- -- --- S Y S T E M . O S _ I N T E R F A C E -- --- -- --- S p e c -- --- -- --- Copyright (C) 1991-1994, Florida State University -- --- Copyright (C) 1995-2011, Free Software Foundation, Inc. -- --- -- --- GNAT is free software; you can redistribute it and/or modify it under -- --- terms of the GNU General Public License as published by the Free Soft- -- --- ware Foundation; either version 3, or (at your option) any later ver- -- --- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- --- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- --- or FITNESS FOR A PARTICULAR PURPOSE. -- --- -- --- As a special exception under Section 7 of GPL version 3, you are granted -- --- additional permissions described in the GCC Runtime Library Exception, -- --- version 3.1, as published by the Free Software Foundation. -- --- -- --- You should have received a copy of the GNU General Public License and -- --- a copy of the GCC Runtime Library Exception along with this program; -- --- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- --- <http://www.gnu.org/licenses/>. -- --- -- --- GNARL was developed by the GNARL team at Florida State University. -- --- Extensive contributions were provided by Ada Core Technologies, Inc. -- --- -- ------------------------------------------------------------------------------- - --- This is a LynxOS (POSIX Threads) version of this package - --- This package encapsulates all direct interfaces to OS services --- that are needed by the tasking run-time (libgnarl). - --- PLEASE DO NOT add any with-clauses to this package or remove the pragma --- Preelaborate. This package is designed to be a bottom-level (leaf) package. - -with Ada.Unchecked_Conversion; - -with Interfaces.C; - -package System.OS_Interface is - pragma Preelaborate; - - pragma Linker_Options ("-mthreads"); - -- Selects the POSIX 1.c runtime, rather than the non-threading runtime - -- or the deprecated legacy threads library. The -mthreads flag is - -- defined in patch.LynxOS and matches the definition for Lynx's gcc. - - subtype int is Interfaces.C.int; - subtype short is Interfaces.C.short; - subtype long is Interfaces.C.long; - subtype unsigned is Interfaces.C.unsigned; - subtype unsigned_short is Interfaces.C.unsigned_short; - subtype unsigned_long is Interfaces.C.unsigned_long; - subtype unsigned_char is Interfaces.C.unsigned_char; - subtype plain_char is Interfaces.C.plain_char; - subtype size_t is Interfaces.C.size_t; - - ----------- - -- Errno -- - ----------- - - function errno return int; - pragma Import (C, errno, "__get_errno"); - - EAGAIN : constant := 11; - EINTR : constant := 4; - EINVAL : constant := 22; - ENOMEM : constant := 12; - ETIMEDOUT : constant := 60; - - ------------- - -- Signals -- - ------------- - - Max_Interrupt : constant := 63; - - -- Max_Interrupt is the number of OS signals, as defined in: - -- - -- /usr/include/sys/signal.h - -- - -- - -- The lowest numbered signal is 1, but 0 is a valid argument to some - -- library functions, e.g. kill(2). However, 0 is not just another - -- signal: For instance 'I in Signal' and similar should be used with - -- caution. - - type Signal is new int range 0 .. Max_Interrupt; - for Signal'Size use int'Size; - - SIGHUP : constant := 1; -- hangup - SIGINT : constant := 2; -- interrupt (rubout) - SIGQUIT : constant := 3; -- quit (ASCD FS) - SIGILL : constant := 4; -- illegal instruction (not reset) - SIGTRAP : constant := 5; -- trace trap (not reset) - SIGBRK : constant := 6; -- break - SIGIOT : constant := 6; -- IOT instruction - SIGABRT : constant := 6; -- used by abort, replace SIGIOT in future - SIGCORE : constant := 7; -- kill with core dump - SIGEMT : constant := 7; -- EMT instruction - SIGFPE : constant := 8; -- floating point exception - SIGKILL : constant := 9; -- kill (cannot be caught or ignored) - SIGBUS : constant := 10; -- bus error - SIGSEGV : constant := 11; -- segmentation violation - SIGSYS : constant := 12; -- bad argument to system call - SIGPIPE : constant := 13; -- write on a pipe with no one to read it - SIGALRM : constant := 14; -- alarm clock - SIGTERM : constant := 15; -- software termination signal from kill - SIGURG : constant := 16; -- urgent condition on IO channel - SIGSTOP : constant := 17; -- stop (cannot be caught or ignored) - SIGTSTP : constant := 18; -- user stop requested from tty - SIGCONT : constant := 19; -- stopped process has been continued - SIGCLD : constant := 20; -- alias for SIGCHLD - SIGCHLD : constant := 20; -- child status change - SIGTTIN : constant := 21; -- background tty read attempted - SIGTTOU : constant := 22; -- background tty write attempted - SIGIO : constant := 23; -- I/O possible (Solaris SIGPOLL alias) - SIGPOLL : constant := 23; -- pollable event occurred - SIGTHREADKILL : constant := 24; -- Reserved by LynxOS runtime - SIGXCPU : constant := 24; -- CPU time limit exceeded - SIGXFSZ : constant := 25; -- filesize limit exceeded - SIGVTALRM : constant := 26; -- virtual timer expired - SIGPROF : constant := 27; -- profiling timer expired - SIGWINCH : constant := 28; -- window size change - SIGLOST : constant := 29; -- SUN 4.1 compatibility - SIGUSR1 : constant := 30; -- user defined signal 1 - SIGUSR2 : constant := 31; -- user defined signal 2 - - SIGPRIO : constant := 32; - -- sent to a process with its priority or group is changed - - SIGADAABORT : constant := SIGABRT; - -- Change this if you want to use another signal for task abort. - -- SIGTERM might be a good one. - - type Signal_Set is array (Natural range <>) of Signal; - - Unmasked : constant Signal_Set := - (SIGTRAP, SIGTTIN, SIGTTOU, SIGTSTP, SIGPROF, SIGTHREADKILL); - Reserved : constant Signal_Set := (SIGABRT, SIGKILL, SIGSTOP, SIGPRIO); - - type sigset_t is private; - - function sigaddset (set : access sigset_t; sig : Signal) return int; - pragma Import (C, sigaddset, "sigaddset"); - - function sigdelset (set : access sigset_t; sig : Signal) return int; - pragma Import (C, sigdelset, "sigdelset"); - - function sigfillset (set : access sigset_t) return int; - pragma Import (C, sigfillset, "sigfillset"); - - function sigismember (set : access sigset_t; sig : Signal) return int; - pragma Import (C, sigismember, "sigismember"); - - function sigemptyset (set : access sigset_t) return int; - pragma Import (C, sigemptyset, "sigemptyset"); - - type struct_sigaction is record - sa_handler : System.Address; - sa_mask : sigset_t; - sa_flags : int; - end record; - pragma Convention (C, struct_sigaction); - type struct_sigaction_ptr is access all struct_sigaction; - - SA_SIGINFO : constant := 16#80#; - - SA_ONSTACK : constant := 16#00#; - -- SA_ONSTACK is not defined on LynxOS, but it is referred to in the POSIX - -- implementation of System.Interrupt_Management. Therefore we define a - -- dummy value of zero here so that setting this flag is a nop. - - SIG_BLOCK : constant := 0; - SIG_UNBLOCK : constant := 1; - SIG_SETMASK : constant := 2; - - SIG_DFL : constant := 0; - SIG_IGN : constant := 1; - - function sigaction - (sig : Signal; - act : struct_sigaction_ptr; - oact : struct_sigaction_ptr) return int; - pragma Import (C, sigaction, "sigaction"); - - ---------- - -- Time -- - ---------- - - Time_Slice_Supported : constant Boolean := True; - -- Indicates whether time slicing is supported - - type timespec is private; - - type clockid_t is new int; - - function clock_gettime - (clock_id : clockid_t; - tp : access timespec) return int; - pragma Import (C, clock_gettime, "clock_gettime"); - - function clock_getres - (clock_id : clockid_t; - res : access timespec) return int; - pragma Import (C, clock_getres, "clock_getres"); - - function To_Duration (TS : timespec) return Duration; - pragma Inline (To_Duration); - - function To_Timespec (D : Duration) return timespec; - pragma Inline (To_Timespec); - - type struct_timezone is record - tz_minuteswest : int; - tz_dsttime : int; - end record; - pragma Convention (C, struct_timezone); - type struct_timezone_ptr is access all struct_timezone; - - ------------------------- - -- Priority Scheduling -- - ------------------------- - - SCHED_FIFO : constant := 16#200000#; - SCHED_RR : constant := 16#100000#; - SCHED_OTHER : constant := 16#400000#; - - ------------- - -- Process -- - ------------- - - type pid_t is private; - - function kill (pid : pid_t; sig : Signal) return int; - pragma Import (C, kill, "kill"); - - function getpid return pid_t; - pragma Import (C, getpid, "getpid"); - - --------- - -- LWP -- - --------- - - function lwp_self return System.Address; - pragma Import (C, lwp_self, "pthread_self"); - - ------------- - -- Threads -- - ------------- - - type Thread_Body is access - function (arg : System.Address) return System.Address; - pragma Convention (C, Thread_Body); - - function Thread_Body_Access is new - Ada.Unchecked_Conversion (System.Address, Thread_Body); - - type pthread_t is private; - subtype Thread_Id is pthread_t; - - type pthread_mutex_t is limited private; - type pthread_cond_t is limited private; - type pthread_attr_t is limited private; - type pthread_mutexattr_t is limited private; - type pthread_condattr_t is limited private; - type pthread_key_t is private; - - PTHREAD_CREATE_DETACHED : constant := 1; - PTHREAD_CREATE_JOINABLE : constant := 0; - - ----------- - -- Stack -- - ----------- - - Alternate_Stack_Size : constant := 0; - -- No alternate signal stack is used on this platform - - Stack_Base_Available : constant Boolean := False; - -- Indicates whether the stack base is available on this target - - function Get_Stack_Base (thread : pthread_t) return Address; - pragma Inline (Get_Stack_Base); - -- Returns the stack base of the specified thread. - -- Only call this function when Stack_Base_Available is True. - - function Get_Page_Size return size_t; - function Get_Page_Size return Address; - pragma Import (C, Get_Page_Size, "getpagesize"); - -- Returns the size of a page, or 0 if this is not relevant on this - -- target - - PROT_NONE : constant := 1; - PROT_READ : constant := 2; - PROT_WRITE : constant := 4; - PROT_EXEC : constant := 8; - PROT_ALL : constant := PROT_READ + PROT_WRITE + PROT_EXEC; - - PROT_ON : constant := PROT_READ; - PROT_OFF : constant := PROT_ALL; - - function mprotect (addr : Address; len : size_t; prot : int) return int; - pragma Import (C, mprotect); - - --------------------------------------- - -- Nonstandard Thread Initialization -- - --------------------------------------- - - procedure pthread_init; - -- This is a dummy procedure to share some GNULLI files - - ------------------------- - -- POSIX.1c Section 3 -- - ------------------------- - - function sigwait - (set : access sigset_t; - sig : access Signal) return int; - pragma Inline (sigwait); - -- LynxOS has non standard sigwait - - function pthread_kill - (thread : pthread_t; - sig : Signal) return int; - pragma Import (C, pthread_kill, "pthread_kill"); - - function pthread_sigmask - (how : int; - set : access sigset_t; - oset : access sigset_t) return int; - pragma Import (C, pthread_sigmask, "pthread_sigmask"); - -- The behavior of pthread_sigmask on LynxOS requires - -- further investigation. - - ---------------------------- - -- POSIX.1c Section 11 -- - ---------------------------- - - function pthread_mutexattr_init - (attr : access pthread_mutexattr_t) return int; - pragma Import (C, pthread_mutexattr_init, "pthread_mutexattr_init"); - - function pthread_mutexattr_destroy - (attr : access pthread_mutexattr_t) return int; - pragma Import (C, pthread_mutexattr_destroy, "pthread_mutexattr_destroy"); - - function pthread_mutex_init - (mutex : access pthread_mutex_t; - attr : access pthread_mutexattr_t) return int; - pragma Import (C, pthread_mutex_init, "pthread_mutex_init"); - - function pthread_mutex_destroy (mutex : access pthread_mutex_t) return int; - pragma Import (C, pthread_mutex_destroy, "pthread_mutex_destroy"); - - function pthread_mutex_lock (mutex : access pthread_mutex_t) return int; - pragma Import (C, pthread_mutex_lock, "pthread_mutex_lock"); - - function pthread_mutex_unlock (mutex : access pthread_mutex_t) return int; - pragma Import (C, pthread_mutex_unlock, "pthread_mutex_unlock"); - - function pthread_condattr_init - (attr : access pthread_condattr_t) return int; - pragma Import (C, pthread_condattr_init, "pthread_condattr_init"); - - function pthread_condattr_destroy - (attr : access pthread_condattr_t) return int; - pragma Import (C, pthread_condattr_destroy, "pthread_condattr_destroy"); - - function pthread_cond_init - (cond : access pthread_cond_t; - attr : access pthread_condattr_t) return int; - pragma Import (C, pthread_cond_init, "pthread_cond_init"); - - function pthread_cond_destroy (cond : access pthread_cond_t) return int; - pragma Import (C, pthread_cond_destroy, "pthread_cond_destroy"); - - function pthread_cond_signal (cond : access pthread_cond_t) return int; - pragma Import (C, pthread_cond_signal, "pthread_cond_signal"); - - function pthread_cond_wait - (cond : access pthread_cond_t; - mutex : access pthread_mutex_t) return int; - pragma Import (C, pthread_cond_wait, "pthread_cond_wait"); - - function pthread_cond_timedwait - (cond : access pthread_cond_t; - mutex : access pthread_mutex_t; - abstime : access timespec) return int; - pragma Import (C, pthread_cond_timedwait, "pthread_cond_timedwait"); - - Relative_Timed_Wait : constant Boolean := False; - -- pthread_cond_timedwait requires an absolute delay time - - -------------------------- - -- POSIX.1c Section 13 -- - -------------------------- - - PTHREAD_PRIO_NONE : constant := 0; - PTHREAD_PRIO_INHERIT : constant := 1; - PTHREAD_PRIO_PROTECT : constant := 2; - - function pthread_mutexattr_setprotocol - (attr : access pthread_mutexattr_t; - protocol : int) return int; - pragma Import (C, pthread_mutexattr_setprotocol); - - function pthread_mutexattr_setprioceiling - (attr : access pthread_mutexattr_t; - prioceiling : int) return int; - pragma Import (C, pthread_mutexattr_setprioceiling); - - type struct_sched_param is record - sched_priority : int; - end record; - - function pthread_setschedparam - (thread : pthread_t; - policy : int; - param : access struct_sched_param) return int; - pragma Import (C, pthread_setschedparam, "pthread_setschedparam"); - - function pthread_attr_setscope - (attr : access pthread_attr_t; - contentionscope : int) return int; - pragma Import (C, pthread_attr_setscope, "pthread_attr_setscope"); - - function pthread_attr_setinheritsched - (attr : access pthread_attr_t; - inheritsched : int) return int; - pragma Import (C, pthread_attr_setinheritsched); - - function pthread_attr_setschedpolicy - (attr : access pthread_attr_t; - policy : int) return int; - pragma Import (C, pthread_attr_setschedpolicy); - - function sched_yield return int; - pragma Import (C, sched_yield, "sched_yield"); - - -------------------------- - -- P1003.1c Section 16 -- - -------------------------- - - function pthread_attr_init (attributes : access pthread_attr_t) return int; - pragma Import (C, pthread_attr_init, "pthread_attr_init"); - - function pthread_attr_destroy - (attributes : access pthread_attr_t) return int; - pragma Import (C, pthread_attr_destroy, "pthread_attr_destroy"); - - function pthread_attr_setdetachstate - (attr : access pthread_attr_t; - detachstate : int) return int; - pragma Import (C, pthread_attr_setdetachstate); - - function pthread_attr_setstacksize - (attr : access pthread_attr_t; - stacksize : size_t) return int; - pragma Import (C, pthread_attr_setstacksize); - - function pthread_create - (thread : access pthread_t; - attributes : access pthread_attr_t; - start_routine : Thread_Body; - arg : System.Address) return int; - pragma Import (C, pthread_create, "pthread_create"); - - procedure pthread_exit (status : System.Address); - pragma Import (C, pthread_exit, "pthread_exit"); - - function pthread_self return pthread_t; - pragma Import (C, pthread_self, "pthread_self"); - - -------------------------- - -- POSIX.1c Section 17 -- - -------------------------- - - function st_setspecific - (key : pthread_key_t; - value : System.Address) return int; - pragma Import (C, st_setspecific, "st_setspecific"); - - function st_getspecific - (key : pthread_key_t; - retval : System.Address) return int; - pragma Import (C, st_getspecific, "st_getspecific"); - - type destructor_pointer is access procedure (arg : System.Address); - pragma Convention (C, destructor_pointer); - - function st_keycreate - (destructor : destructor_pointer; - key : access pthread_key_t) return int; - pragma Import (C, st_keycreate, "st_keycreate"); - -private - - type sigset_t is record - X1, X2 : long; - end record; - pragma Convention (C, sigset_t); - - type pid_t is new long; - - type time_t is new long; - - type timespec is record - tv_sec : time_t; - tv_nsec : long; - end record; - pragma Convention (C, timespec); - - type st_attr_t is record - stksize : int; - prio : int; - inheritsched : int; - state : int; - sched : int; - detachstate : int; - guardsize : int; - end record; - pragma Convention (C, st_attr_t); - - type pthread_attr_t is record - pthread_attr_magic : unsigned; - st : st_attr_t; - pthread_attr_scope : int; - end record; - pragma Convention (C, pthread_attr_t); - - type pthread_condattr_t is record - cv_magic : unsigned; - cv_pshared : unsigned; - end record; - pragma Convention (C, pthread_condattr_t); - - type pthread_mutexattr_t is record - m_flags : unsigned; - m_prio_c : int; - m_pshared : int; - end record; - pragma Convention (C, pthread_mutexattr_t); - - type tid_t is new short; - type pthread_t is new tid_t; - - type block_obj_t is new System.Address; - -- typedef struct _block_obj_s { - -- struct st_entry *b_head; - -- } block_obj_t; - - type pthread_mutex_t is record - m_flags : unsigned; - m_owner : tid_t; - m_wait : block_obj_t; - m_prio_c : int; - m_oldprio : int; - m_count : int; - m_referenced : int; - end record; - pragma Convention (C, pthread_mutex_t); - type pthread_mutex_t_ptr is access all pthread_mutex_t; - - type pthread_cond_t is record - cv_magic : unsigned; - cv_wait : block_obj_t; - cv_mutex : pthread_mutex_t_ptr; - cv_refcnt : int; - end record; - pragma Convention (C, pthread_cond_t); - - type pthread_key_t is new int; - -end System.OS_Interface; diff --git a/gcc/ada/s-taprop-lynxos.adb b/gcc/ada/s-taprop-lynxos.adb deleted file mode 100644 index d553f1e..0000000 --- a/gcc/ada/s-taprop-lynxos.adb +++ /dev/null @@ -1,1423 +0,0 @@ ------------------------------------------------------------------------------- --- -- --- GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS -- --- -- --- S Y S T E M . T A S K _ P R I M I T I V E S . O P E R A T I O N S -- --- -- --- B o d y -- --- -- --- Copyright (C) 1992-2009, Free Software Foundation, Inc. -- --- -- --- GNARL is free software; you can redistribute it and/or modify it under -- --- terms of the GNU General Public License as published by the Free Soft- -- --- ware Foundation; either version 3, or (at your option) any later ver- -- --- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- --- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- --- or FITNESS FOR A PARTICULAR PURPOSE. -- --- -- --- As a special exception under Section 7 of GPL version 3, you are granted -- --- additional permissions described in the GCC Runtime Library Exception, -- --- version 3.1, as published by the Free Software Foundation. -- --- -- --- You should have received a copy of the GNU General Public License and -- --- a copy of the GCC Runtime Library Exception along with this program; -- --- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- --- <http://www.gnu.org/licenses/>. -- --- -- --- GNARL was developed by the GNARL team at Florida State University. -- --- Extensive contributions were provided by Ada Core Technologies, Inc. -- --- -- ------------------------------------------------------------------------------- - --- This is a LynxOS version of this file, adapted to make SCHED_FIFO and --- ceiling locking (Annex D compliance) work properly. - --- This package contains all the GNULL primitives that interface directly with --- the underlying OS. - -pragma Polling (Off); --- Turn off polling, we do not want ATC polling to take place during tasking --- operations. It causes infinite loops and other problems. - -with Ada.Unchecked_Deallocation; - -with Interfaces.C; - -with System.Tasking.Debug; -with System.Interrupt_Management; -with System.OS_Primitives; -with System.Task_Info; - -with System.Soft_Links; --- We use System.Soft_Links instead of System.Tasking.Initialization --- because the later is a higher level package that we shouldn't depend on. --- For example when using the restricted run time, it is replaced by --- System.Tasking.Restricted.Stages. - -package body System.Task_Primitives.Operations is - - package SSL renames System.Soft_Links; - - use System.Tasking.Debug; - use System.Tasking; - use Interfaces.C; - use System.OS_Interface; - use System.Parameters; - use System.OS_Primitives; - - ---------------- - -- Local Data -- - ---------------- - - -- The followings are logically constants, but need to be initialized - -- at run time. - - Single_RTS_Lock : aliased RTS_Lock; - -- This is a lock to allow only one thread of control in the RTS at - -- a time; it is used to execute in mutual exclusion from all other tasks. - -- Used mainly in Single_Lock mode, but also to protect All_Tasks_List - - ATCB_Key : aliased pthread_key_t; - -- Key used to find the Ada Task_Id associated with a thread - - Environment_Task_Id : Task_Id; - -- A variable to hold Task_Id for the environment task - - Locking_Policy : Character; - pragma Import (C, Locking_Policy, "__gl_locking_policy"); - -- Value of the pragma Locking_Policy: - -- 'C' for Ceiling_Locking - -- 'I' for Inherit_Locking - -- ' ' for none. - - Unblocked_Signal_Mask : aliased sigset_t; - -- The set of signals that should unblocked in all tasks - - -- The followings are internal configuration constants needed - - Next_Serial_Number : Task_Serial_Number := 100; - -- We start at 100, to reserve some special values for - -- using in error checking. - - Time_Slice_Val : Integer; - pragma Import (C, Time_Slice_Val, "__gl_time_slice_val"); - - Dispatching_Policy : Character; - pragma Import (C, Dispatching_Policy, "__gl_task_dispatching_policy"); - - Foreign_Task_Elaborated : aliased Boolean := True; - -- Used to identified fake tasks (i.e., non-Ada Threads) - - -------------------- - -- Local Packages -- - -------------------- - - package Specific is - - procedure Initialize (Environment_Task : Task_Id); - pragma Inline (Initialize); - -- Initialize various data needed by this package - - function Is_Valid_Task return Boolean; - pragma Inline (Is_Valid_Task); - -- Does the current thread have an ATCB? - - procedure Set (Self_Id : Task_Id); - pragma Inline (Set); - -- Set the self id for the current task - - function Self return Task_Id; - pragma Inline (Self); - -- Return a pointer to the Ada Task Control Block of the calling task - - end Specific; - - package body Specific is separate; - -- The body of this package is target specific - - --------------------------------- - -- Support for foreign threads -- - --------------------------------- - - function Register_Foreign_Thread (Thread : Thread_Id) return Task_Id; - -- Allocate and Initialize a new ATCB for the current Thread - - function Register_Foreign_Thread - (Thread : Thread_Id) return Task_Id is separate; - - ----------------------- - -- Local Subprograms -- - ----------------------- - - procedure Abort_Handler (Sig : Signal); - -- Signal handler used to implement asynchronous abort - - procedure Set_OS_Priority (T : Task_Id; Prio : System.Any_Priority); - -- This procedure calls the scheduler of the OS to set thread's priority - - ------------------- - -- Abort_Handler -- - ------------------- - - procedure Abort_Handler (Sig : Signal) is - pragma Unreferenced (Sig); - - T : constant Task_Id := Self; - Result : Interfaces.C.int; - Old_Set : aliased sigset_t; - - begin - -- It is not safe to raise an exception when using ZCX and the GCC - -- exception handling mechanism. - - if ZCX_By_Default and then GCC_ZCX_Support then - return; - end if; - - if T.Deferral_Level = 0 - and then T.Pending_ATC_Level < T.ATC_Nesting_Level - and then not T.Aborting - then - T.Aborting := True; - - -- Make sure signals used for RTS internal purpose are unmasked - - Result := - pthread_sigmask - (SIG_UNBLOCK, - Unblocked_Signal_Mask'Access, - Old_Set'Access); - pragma Assert (Result = 0); - - raise Standard'Abort_Signal; - end if; - end Abort_Handler; - - ----------------- - -- Stack_Guard -- - ----------------- - - procedure Stack_Guard (T : ST.Task_Id; On : Boolean) is - Stack_Base : constant Address := Get_Stack_Base (T.Common.LL.Thread); - Guard_Page_Address : Address; - - Res : Interfaces.C.int; - - begin - if Stack_Base_Available then - - -- Compute the guard page address - - Guard_Page_Address := - Stack_Base - (Stack_Base mod Get_Page_Size) + Get_Page_Size; - - if On then - Res := mprotect (Guard_Page_Address, Get_Page_Size, PROT_ON); - else - Res := mprotect (Guard_Page_Address, Get_Page_Size, PROT_OFF); - end if; - - pragma Assert (Res = 0); - end if; - end Stack_Guard; - - -------------------- - -- Get_Thread_Id -- - -------------------- - - function Get_Thread_Id (T : ST.Task_Id) return OSI.Thread_Id is - begin - return T.Common.LL.Thread; - end Get_Thread_Id; - - ---------- - -- Self -- - ---------- - - function Self return Task_Id renames Specific.Self; - - --------------------- - -- Initialize_Lock -- - --------------------- - - procedure Initialize_Lock - (Prio : System.Any_Priority; - L : not null access Lock) - is - Attributes : aliased pthread_mutexattr_t; - Result : Interfaces.C.int; - - begin - Result := pthread_mutexattr_init (Attributes'Access); - pragma Assert (Result = 0 or else Result = ENOMEM); - - if Result = ENOMEM then - raise Storage_Error; - end if; - - if Locking_Policy = 'C' then - L.Ceiling := Prio; - end if; - - Result := pthread_mutex_init (L.Mutex'Access, Attributes'Access); - pragma Assert (Result = 0 or else Result = ENOMEM); - - if Result = ENOMEM then - raise Storage_Error; - end if; - - Result := pthread_mutexattr_destroy (Attributes'Access); - pragma Assert (Result = 0); - end Initialize_Lock; - - procedure Initialize_Lock - (L : not null access RTS_Lock; - Level : Lock_Level) - is - pragma Unreferenced (Level); - - Attributes : aliased pthread_mutexattr_t; - Result : Interfaces.C.int; - - begin - Result := pthread_mutexattr_init (Attributes'Access); - pragma Assert (Result = 0 or else Result = ENOMEM); - - if Result = ENOMEM then - raise Storage_Error; - end if; - - Result := pthread_mutex_init (L, Attributes'Access); - pragma Assert (Result = 0 or else Result = ENOMEM); - - if Result = ENOMEM then - Result := pthread_mutexattr_destroy (Attributes'Access); - raise Storage_Error; - end if; - - Result := pthread_mutexattr_destroy (Attributes'Access); - pragma Assert (Result = 0); - end Initialize_Lock; - - ------------------- - -- Finalize_Lock -- - ------------------- - - procedure Finalize_Lock (L : not null access Lock) is - Result : Interfaces.C.int; - begin - Result := pthread_mutex_destroy (L.Mutex'Access); - pragma Assert (Result = 0); - end Finalize_Lock; - - procedure Finalize_Lock (L : not null access RTS_Lock) is - Result : Interfaces.C.int; - begin - Result := pthread_mutex_destroy (L); - pragma Assert (Result = 0); - end Finalize_Lock; - - ---------------- - -- Write_Lock -- - ---------------- - - procedure Write_Lock - (L : not null access Lock; - Ceiling_Violation : out Boolean) - is - Result : Interfaces.C.int; - T : constant Task_Id := Self; - - begin - if Locking_Policy = 'C' then - if T.Common.Current_Priority > L.Ceiling then - Ceiling_Violation := True; - return; - end if; - - L.Saved_Priority := T.Common.Current_Priority; - - if T.Common.Current_Priority < L.Ceiling then - Set_OS_Priority (T, L.Ceiling); - end if; - end if; - - Result := pthread_mutex_lock (L.Mutex'Access); - - -- Assume that the cause of EINVAL is a priority ceiling violation - - Ceiling_Violation := (Result = EINVAL); - pragma Assert (Result = 0 or else Result = EINVAL); - end Write_Lock; - - -- No tricks on RTS_Locks - - procedure Write_Lock - (L : not null access RTS_Lock; - Global_Lock : Boolean := False) - is - Result : Interfaces.C.int; - begin - if not Single_Lock or else Global_Lock then - Result := pthread_mutex_lock (L); - pragma Assert (Result = 0); - end if; - end Write_Lock; - - procedure Write_Lock (T : Task_Id) is - Result : Interfaces.C.int; - begin - if not Single_Lock then - Result := pthread_mutex_lock (T.Common.LL.L'Access); - pragma Assert (Result = 0); - end if; - end Write_Lock; - - --------------- - -- Read_Lock -- - --------------- - - procedure Read_Lock - (L : not null access Lock; - Ceiling_Violation : out Boolean) - is - begin - Write_Lock (L, Ceiling_Violation); - end Read_Lock; - - ------------ - -- Unlock -- - ------------ - - procedure Unlock (L : not null access Lock) is - Result : Interfaces.C.int; - T : constant Task_Id := Self; - - begin - Result := pthread_mutex_unlock (L.Mutex'Access); - pragma Assert (Result = 0); - - if Locking_Policy = 'C' then - if T.Common.Current_Priority > L.Saved_Priority then - Set_OS_Priority (T, L.Saved_Priority); - end if; - end if; - end Unlock; - - procedure Unlock - (L : not null access RTS_Lock; - Global_Lock : Boolean := False) - is - Result : Interfaces.C.int; - begin - if not Single_Lock or else Global_Lock then - Result := pthread_mutex_unlock (L); - pragma Assert (Result = 0); - end if; - end Unlock; - - procedure Unlock (T : Task_Id) is - Result : Interfaces.C.int; - begin - if not Single_Lock then - Result := pthread_mutex_unlock (T.Common.LL.L'Access); - pragma Assert (Result = 0); - end if; - end Unlock; - - ----------------- - -- Set_Ceiling -- - ----------------- - - -- Dynamic priority ceilings are not supported by the underlying system - - procedure Set_Ceiling - (L : not null access Lock; - Prio : System.Any_Priority) - is - pragma Unreferenced (L, Prio); - begin - null; - end Set_Ceiling; - - ----------- - -- Sleep -- - ----------- - - procedure Sleep - (Self_ID : Task_Id; - Reason : System.Tasking.Task_States) - is - pragma Unreferenced (Reason); - Result : Interfaces.C.int; - - begin - if Single_Lock then - Result := - pthread_cond_wait - (Self_ID.Common.LL.CV'Access, Single_RTS_Lock'Access); - else - Result := - pthread_cond_wait - (Self_ID.Common.LL.CV'Access, Self_ID.Common.LL.L'Access); - end if; - - -- EINTR is not considered a failure - - pragma Assert (Result = 0 or else Result = EINTR); - end Sleep; - - ----------------- - -- Timed_Sleep -- - ----------------- - - -- This is for use within the run-time system, so abort is - -- assumed to be already deferred, and the caller should be - -- holding its own ATCB lock. - - procedure Timed_Sleep - (Self_ID : Task_Id; - Time : Duration; - Mode : ST.Delay_Modes; - Reason : Task_States; - Timedout : out Boolean; - Yielded : out Boolean) - is - pragma Unreferenced (Reason); - - Base_Time : constant Duration := Monotonic_Clock; - Check_Time : Duration := Base_Time; - Rel_Time : Duration; - Abs_Time : Duration; - Request : aliased timespec; - Result : Interfaces.C.int; - - begin - Timedout := True; - Yielded := False; - - if Mode = Relative then - Abs_Time := Duration'Min (Time, Max_Sensible_Delay) + Check_Time; - - if Relative_Timed_Wait then - Rel_Time := Duration'Min (Max_Sensible_Delay, Time); - end if; - - else - Abs_Time := Duration'Min (Check_Time + Max_Sensible_Delay, Time); - - if Relative_Timed_Wait then - Rel_Time := Duration'Min (Max_Sensible_Delay, Time - Check_Time); - end if; - end if; - - if Abs_Time > Check_Time then - if Relative_Timed_Wait then - Request := To_Timespec (Rel_Time); - else - Request := To_Timespec (Abs_Time); - end if; - - loop - exit when Self_ID.Pending_ATC_Level < Self_ID.ATC_Nesting_Level; - - if Single_Lock then - Result := - pthread_cond_timedwait - (Self_ID.Common.LL.CV'Access, Single_RTS_Lock'Access, - Request'Access); - - else - Result := - pthread_cond_timedwait - (Self_ID.Common.LL.CV'Access, Self_ID.Common.LL.L'Access, - Request'Access); - end if; - - Check_Time := Monotonic_Clock; - exit when Abs_Time <= Check_Time or else Check_Time < Base_Time; - - if Result = 0 or Result = EINTR then - - -- Somebody may have called Wakeup for us - - Timedout := False; - exit; - end if; - - pragma Assert (Result = ETIMEDOUT); - end loop; - end if; - end Timed_Sleep; - - ----------------- - -- Timed_Delay -- - ----------------- - - -- This is for use in implementing delay statements, so we assume - -- the caller is abort-deferred but is holding no locks. - - procedure Timed_Delay - (Self_ID : Task_Id; - Time : Duration; - Mode : ST.Delay_Modes) - is - Base_Time : constant Duration := Monotonic_Clock; - Check_Time : Duration := Base_Time; - Abs_Time : Duration; - Rel_Time : Duration; - Request : aliased timespec; - - Result : Interfaces.C.int; - pragma Warnings (Off, Result); - - begin - if Single_Lock then - Lock_RTS; - end if; - - -- Comments needed in code below ??? - - Write_Lock (Self_ID); - - if Mode = Relative then - Abs_Time := Duration'Min (Time, Max_Sensible_Delay) + Check_Time; - - if Relative_Timed_Wait then - Rel_Time := Duration'Min (Max_Sensible_Delay, Time); - end if; - - else - Abs_Time := Duration'Min (Check_Time + Max_Sensible_Delay, Time); - - if Relative_Timed_Wait then - Rel_Time := Duration'Min (Max_Sensible_Delay, Time - Check_Time); - end if; - end if; - - if Abs_Time > Check_Time then - if Relative_Timed_Wait then - Request := To_Timespec (Rel_Time); - else - Request := To_Timespec (Abs_Time); - end if; - - Self_ID.Common.State := Delay_Sleep; - - loop - exit when Self_ID.Pending_ATC_Level < Self_ID.ATC_Nesting_Level; - - if Single_Lock then - Result := - pthread_cond_timedwait - (Self_ID.Common.LL.CV'Access, - Single_RTS_Lock'Access, - Request'Access); - else - Result := - pthread_cond_timedwait - (Self_ID.Common.LL.CV'Access, - Self_ID.Common.LL.L'Access, - Request'Access); - end if; - - Check_Time := Monotonic_Clock; - exit when Abs_Time <= Check_Time or else Check_Time < Base_Time; - - pragma Assert (Result = 0 or else - Result = ETIMEDOUT or else - Result = EINTR); - end loop; - - Self_ID.Common.State := Runnable; - end if; - - Unlock (Self_ID); - - if Single_Lock then - Unlock_RTS; - end if; - - Result := sched_yield; - end Timed_Delay; - - --------------------- - -- Monotonic_Clock -- - --------------------- - - function Monotonic_Clock return Duration is - TS : aliased timespec; - Result : Interfaces.C.int; - begin - Result := - clock_gettime - (clock_id => CLOCK_REALTIME, tp => TS'Unchecked_Access); - pragma Assert (Result = 0); - return To_Duration (TS); - end Monotonic_Clock; - - ------------------- - -- RT_Resolution -- - ------------------- - - function RT_Resolution return Duration is - Res : aliased timespec; - Result : Interfaces.C.int; - begin - Result := - clock_getres - (clock_id => CLOCK_REALTIME, res => Res'Unchecked_Access); - pragma Assert (Result = 0); - return To_Duration (Res); - end RT_Resolution; - - ------------ - -- Wakeup -- - ------------ - - procedure Wakeup (T : Task_Id; Reason : System.Tasking.Task_States) is - pragma Unreferenced (Reason); - Result : Interfaces.C.int; - begin - Result := pthread_cond_signal (T.Common.LL.CV'Access); - pragma Assert (Result = 0); - end Wakeup; - - ----------- - -- Yield -- - ----------- - - procedure Yield (Do_Yield : Boolean := True) is - Result : Interfaces.C.int; - pragma Unreferenced (Result); - begin - if Do_Yield then - Result := sched_yield; - end if; - end Yield; - - ------------------ - -- Set_Priority -- - ------------------ - - procedure Set_OS_Priority (T : Task_Id; Prio : System.Any_Priority) is - Result : Interfaces.C.int; - Param : aliased struct_sched_param; - - function Get_Policy (Prio : System.Any_Priority) return Character; - pragma Import (C, Get_Policy, "__gnat_get_specific_dispatching"); - -- Get priority specific dispatching policy - - Priority_Specific_Policy : constant Character := Get_Policy (Prio); - -- Upper case first character of the policy name corresponding to the - -- task as set by a Priority_Specific_Dispatching pragma. - - begin - Param.sched_priority := Interfaces.C.int (Prio); - - if Time_Slice_Supported - and then (Dispatching_Policy = 'R' - or else Priority_Specific_Policy = 'R' - or else Time_Slice_Val > 0) - then - Result := - pthread_setschedparam - (T.Common.LL.Thread, SCHED_RR, Param'Access); - - elsif Dispatching_Policy = 'F' - or else Priority_Specific_Policy = 'F' - or else Time_Slice_Val = 0 - then - Result := - pthread_setschedparam - (T.Common.LL.Thread, SCHED_FIFO, Param'Access); - - else - Result := - pthread_setschedparam - (T.Common.LL.Thread, SCHED_OTHER, Param'Access); - end if; - - pragma Assert (Result = 0); - end Set_OS_Priority; - - type Prio_Array_Type is array (System.Any_Priority) of Integer; - pragma Atomic_Components (Prio_Array_Type); - Prio_Array : Prio_Array_Type; - -- Comments needed for these declarations ??? - - procedure Set_Priority - (T : Task_Id; - Prio : System.Any_Priority; - Loss_Of_Inheritance : Boolean := False) - is - Array_Item : Integer; - - begin - Set_OS_Priority (T, Prio); - - if Locking_Policy = 'C' then - - -- Annex D requirements: loss of inheritance puts task at the start - -- of the queue for that prio; copied from 5ztaprop (VxWorks). - - if Loss_Of_Inheritance - and then Prio < T.Common.Current_Priority then - - Array_Item := Prio_Array (T.Common.Base_Priority) + 1; - Prio_Array (T.Common.Base_Priority) := Array_Item; - - loop - Yield; - exit when Array_Item = Prio_Array (T.Common.Base_Priority) - or else Prio_Array (T.Common.Base_Priority) = 1; - end loop; - - Prio_Array (T.Common.Base_Priority) := - Prio_Array (T.Common.Base_Priority) - 1; - end if; - end if; - - T.Common.Current_Priority := Prio; - end Set_Priority; - - ------------------ - -- Get_Priority -- - ------------------ - - function Get_Priority (T : Task_Id) return System.Any_Priority is - begin - return T.Common.Current_Priority; - end Get_Priority; - - ---------------- - -- Enter_Task -- - ---------------- - - procedure Enter_Task (Self_ID : Task_Id) is - begin - Self_ID.Common.LL.Thread := pthread_self; - Self_ID.Common.LL.LWP := lwp_self; - - Specific.Set (Self_ID); - - Lock_RTS; - - for J in Known_Tasks'Range loop - if Known_Tasks (J) = null then - Known_Tasks (J) := Self_ID; - Self_ID.Known_Tasks_Index := J; - exit; - end if; - end loop; - - Unlock_RTS; - end Enter_Task; - - -------------- - -- New_ATCB -- - -------------- - - function New_ATCB (Entry_Num : Task_Entry_Index) return Task_Id is - begin - return new Ada_Task_Control_Block (Entry_Num); - end New_ATCB; - - ------------------- - -- Is_Valid_Task -- - ------------------- - - function Is_Valid_Task return Boolean renames Specific.Is_Valid_Task; - - ----------------------------- - -- Register_Foreign_Thread -- - ----------------------------- - - function Register_Foreign_Thread return Task_Id is - begin - if Is_Valid_Task then - return Self; - else - return Register_Foreign_Thread (pthread_self); - end if; - end Register_Foreign_Thread; - - -------------------- - -- Initialize_TCB -- - -------------------- - - procedure Initialize_TCB (Self_ID : Task_Id; Succeeded : out Boolean) is - Mutex_Attr : aliased pthread_mutexattr_t; - Result : Interfaces.C.int; - Cond_Attr : aliased pthread_condattr_t; - - begin - -- Give the task a unique serial number - - Self_ID.Serial_Number := Next_Serial_Number; - Next_Serial_Number := Next_Serial_Number + 1; - pragma Assert (Next_Serial_Number /= 0); - - if not Single_Lock then - Result := pthread_mutexattr_init (Mutex_Attr'Access); - pragma Assert (Result = 0 or else Result = ENOMEM); - - if Result = 0 then - Result := - pthread_mutex_init - (Self_ID.Common.LL.L'Access, Mutex_Attr'Access); - pragma Assert (Result = 0 or else Result = ENOMEM); - end if; - - if Result /= 0 then - Succeeded := False; - return; - end if; - - Result := pthread_mutexattr_destroy (Mutex_Attr'Access); - pragma Assert (Result = 0); - end if; - - Result := pthread_condattr_init (Cond_Attr'Access); - pragma Assert (Result = 0 or else Result = ENOMEM); - - if Result = 0 then - Result := - pthread_cond_init (Self_ID.Common.LL.CV'Access, Cond_Attr'Access); - pragma Assert (Result = 0 or else Result = ENOMEM); - end if; - - if Result = 0 then - Succeeded := True; - else - if not Single_Lock then - Result := pthread_mutex_destroy (Self_ID.Common.LL.L'Access); - pragma Assert (Result = 0); - end if; - - Succeeded := False; - end if; - - Result := pthread_condattr_destroy (Cond_Attr'Access); - pragma Assert (Result = 0); - end Initialize_TCB; - - ----------------- - -- Create_Task -- - ----------------- - - procedure Create_Task - (T : Task_Id; - Wrapper : System.Address; - Stack_Size : System.Parameters.Size_Type; - Priority : System.Any_Priority; - Succeeded : out Boolean) - is - Attributes : aliased pthread_attr_t; - Adjusted_Stack_Size : Interfaces.C.size_t; - Result : Interfaces.C.int; - - use System.Task_Info; - - begin - Adjusted_Stack_Size := Interfaces.C.size_t (Stack_Size); - - if Stack_Base_Available then - - -- If Stack Checking is supported then allocate 2 additional pages: - - -- In the worst case, stack is allocated at something like - -- N * Get_Page_Size - epsilon, we need to add the size for 2 pages - -- to be sure the effective stack size is greater than what - -- has been asked. - - Adjusted_Stack_Size := Adjusted_Stack_Size + 2 * Get_Page_Size; - end if; - - Result := pthread_attr_init (Attributes'Access); - pragma Assert (Result = 0 or else Result = ENOMEM); - - if Result /= 0 then - Succeeded := False; - return; - end if; - - Result := - pthread_attr_setdetachstate - (Attributes'Access, PTHREAD_CREATE_DETACHED); - pragma Assert (Result = 0); - - Result := - pthread_attr_setstacksize - (Attributes'Access, Adjusted_Stack_Size); - pragma Assert (Result = 0); - - if T.Common.Task_Info /= Default_Scope then - - -- We are assuming that Scope_Type has the same values than the - -- corresponding C macros - - Result := - pthread_attr_setscope - (Attributes'Access, Task_Info_Type'Pos (T.Common.Task_Info)); - pragma Assert (Result = 0); - end if; - - -- Since the initial signal mask of a thread is inherited from the - -- creator, and the Environment task has all its signals masked, we - -- do not need to manipulate caller's signal mask at this point. - -- All tasks in RTS will have All_Tasks_Mask initially. - - Result := - pthread_create - (T.Common.LL.Thread'Access, - Attributes'Access, - Thread_Body_Access (Wrapper), - To_Address (T)); - pragma Assert (Result = 0 or else Result = EAGAIN); - - Succeeded := Result = 0; - - Result := pthread_attr_destroy (Attributes'Access); - pragma Assert (Result = 0); - - if Succeeded then - Set_Priority (T, Priority); - end if; - end Create_Task; - - ------------------ - -- Finalize_TCB -- - ------------------ - - procedure Finalize_TCB (T : Task_Id) is - Result : Interfaces.C.int; - Tmp : Task_Id := T; - Is_Self : constant Boolean := T = Self; - - procedure Free is new - Ada.Unchecked_Deallocation (Ada_Task_Control_Block, Task_Id); - - begin - if not Single_Lock then - Result := pthread_mutex_destroy (T.Common.LL.L'Access); - pragma Assert (Result = 0); - end if; - - Result := pthread_cond_destroy (T.Common.LL.CV'Access); - pragma Assert (Result = 0); - - if T.Known_Tasks_Index /= -1 then - Known_Tasks (T.Known_Tasks_Index) := null; - end if; - - Free (Tmp); - - if Is_Self then - Result := st_setspecific (ATCB_Key, System.Null_Address); - pragma Assert (Result = 0); - end if; - end Finalize_TCB; - - --------------- - -- Exit_Task -- - --------------- - - procedure Exit_Task is - begin - Specific.Set (null); - end Exit_Task; - - ---------------- - -- Abort_Task -- - ---------------- - - procedure Abort_Task (T : Task_Id) is - Result : Interfaces.C.int; - begin - Result := - pthread_kill - (T.Common.LL.Thread, - Signal (System.Interrupt_Management.Abort_Task_Interrupt)); - pragma Assert (Result = 0); - end Abort_Task; - - ---------------- - -- Initialize -- - ---------------- - - procedure Initialize (S : in out Suspension_Object) is - Mutex_Attr : aliased pthread_mutexattr_t; - Cond_Attr : aliased pthread_condattr_t; - Result : Interfaces.C.int; - - begin - -- Initialize internal state (always to False (RM D.10(6))) - - S.State := False; - S.Waiting := False; - - -- Initialize internal mutex - - Result := pthread_mutexattr_init (Mutex_Attr'Access); - pragma Assert (Result = 0 or else Result = ENOMEM); - - if Result = ENOMEM then - raise Storage_Error; - end if; - - Result := pthread_mutex_init (S.L'Access, Mutex_Attr'Access); - pragma Assert (Result = 0 or else Result = ENOMEM); - - if Result = ENOMEM then - Result := pthread_mutexattr_destroy (Mutex_Attr'Access); - pragma Assert (Result = 0); - - raise Storage_Error; - end if; - - Result := pthread_mutexattr_destroy (Mutex_Attr'Access); - pragma Assert (Result = 0); - - -- Initialize internal condition variable - - Result := pthread_condattr_init (Cond_Attr'Access); - pragma Assert (Result = 0 or else Result = ENOMEM); - - if Result /= 0 then - Result := pthread_mutex_destroy (S.L'Access); - pragma Assert (Result = 0); - - if Result = ENOMEM then - raise Storage_Error; - end if; - end if; - - Result := pthread_cond_init (S.CV'Access, Cond_Attr'Access); - pragma Assert (Result = 0 or else Result = ENOMEM); - - if Result /= 0 then - Result := pthread_mutex_destroy (S.L'Access); - pragma Assert (Result = 0); - - if Result = ENOMEM then - Result := pthread_condattr_destroy (Cond_Attr'Access); - pragma Assert (Result = 0); - - raise Storage_Error; - end if; - end if; - - Result := pthread_condattr_destroy (Cond_Attr'Access); - pragma Assert (Result = 0); - end Initialize; - - -------------- - -- Finalize -- - -------------- - - procedure Finalize (S : in out Suspension_Object) is - Result : Interfaces.C.int; - - begin - -- Destroy internal mutex - - Result := pthread_mutex_destroy (S.L'Access); - pragma Assert (Result = 0); - - -- Destroy internal condition variable - - Result := pthread_cond_destroy (S.CV'Access); - pragma Assert (Result = 0); - end Finalize; - - ------------------- - -- Current_State -- - ------------------- - - function Current_State (S : Suspension_Object) return Boolean is - begin - -- We do not want to use lock on this read operation. State is marked - -- as Atomic so that we ensure that the value retrieved is correct. - - return S.State; - end Current_State; - - --------------- - -- Set_False -- - --------------- - - procedure Set_False (S : in out Suspension_Object) is - Result : Interfaces.C.int; - - begin - SSL.Abort_Defer.all; - - Result := pthread_mutex_lock (S.L'Access); - pragma Assert (Result = 0); - - S.State := False; - - Result := pthread_mutex_unlock (S.L'Access); - pragma Assert (Result = 0); - - SSL.Abort_Undefer.all; - end Set_False; - - -------------- - -- Set_True -- - -------------- - - procedure Set_True (S : in out Suspension_Object) is - Result : Interfaces.C.int; - - begin - SSL.Abort_Defer.all; - - Result := pthread_mutex_lock (S.L'Access); - pragma Assert (Result = 0); - - -- If there is already a task waiting on this suspension object then - -- we resume it, leaving the state of the suspension object to False, - -- as specified in (RM D.10(9)). Otherwise, just leave state set True. - - if S.Waiting then - S.Waiting := False; - S.State := False; - - Result := pthread_cond_signal (S.CV'Access); - pragma Assert (Result = 0); - - else - S.State := True; - end if; - - Result := pthread_mutex_unlock (S.L'Access); - pragma Assert (Result = 0); - - SSL.Abort_Undefer.all; - end Set_True; - - ------------------------ - -- Suspend_Until_True -- - ------------------------ - - procedure Suspend_Until_True (S : in out Suspension_Object) is - Result : Interfaces.C.int; - - begin - SSL.Abort_Defer.all; - - Result := pthread_mutex_lock (S.L'Access); - pragma Assert (Result = 0); - - if S.Waiting then - - -- Program_Error must be raised upon calling Suspend_Until_True - -- if another task is already waiting on that suspension object - -- (RM D.10 (10)). - - Result := pthread_mutex_unlock (S.L'Access); - pragma Assert (Result = 0); - - SSL.Abort_Undefer.all; - - raise Program_Error; - - else - -- Suspend the task if the state is False. Otherwise, the task - -- continues its execution, and the state of the suspension object - -- is set to False (RM D.10(9)). - - if S.State then - S.State := False; - else - S.Waiting := True; - Result := pthread_cond_wait (S.CV'Access, S.L'Access); - end if; - - Result := pthread_mutex_unlock (S.L'Access); - pragma Assert (Result = 0); - - SSL.Abort_Undefer.all; - end if; - end Suspend_Until_True; - - ---------------- - -- Check_Exit -- - ---------------- - - -- Dummy version - - function Check_Exit (Self_ID : ST.Task_Id) return Boolean is - pragma Unreferenced (Self_ID); - begin - return True; - end Check_Exit; - - -------------------- - -- Check_No_Locks -- - -------------------- - - function Check_No_Locks (Self_ID : ST.Task_Id) return Boolean is - pragma Unreferenced (Self_ID); - begin - return True; - end Check_No_Locks; - - ---------------------- - -- Environment_Task -- - ---------------------- - - function Environment_Task return Task_Id is - begin - return Environment_Task_Id; - end Environment_Task; - - -------------- - -- Lock_RTS -- - -------------- - - procedure Lock_RTS is - begin - Write_Lock (Single_RTS_Lock'Access, Global_Lock => True); - end Lock_RTS; - - ---------------- - -- Unlock_RTS -- - ---------------- - - procedure Unlock_RTS is - begin - Unlock (Single_RTS_Lock'Access, Global_Lock => True); - end Unlock_RTS; - - ------------------ - -- Suspend_Task -- - ------------------ - - function Suspend_Task - (T : ST.Task_Id; - Thread_Self : Thread_Id) return Boolean - is - pragma Unreferenced (T); - pragma Unreferenced (Thread_Self); - begin - return False; - end Suspend_Task; - - ----------------- - -- Resume_Task -- - ----------------- - - function Resume_Task - (T : ST.Task_Id; - Thread_Self : Thread_Id) return Boolean - is - pragma Unreferenced (T); - pragma Unreferenced (Thread_Self); - begin - return False; - end Resume_Task; - - -------------------- - -- Stop_All_Tasks -- - -------------------- - - procedure Stop_All_Tasks is - begin - null; - end Stop_All_Tasks; - - --------------- - -- Stop_Task -- - --------------- - - function Stop_Task (T : ST.Task_Id) return Boolean is - pragma Unreferenced (T); - begin - return False; - end Stop_Task; - - ------------------- - -- Continue_Task -- - ------------------- - - function Continue_Task (T : ST.Task_Id) return Boolean is - pragma Unreferenced (T); - begin - return False; - end Continue_Task; - - ---------------- - -- Initialize -- - ---------------- - - procedure Initialize (Environment_Task : Task_Id) is - act : aliased struct_sigaction; - old_act : aliased struct_sigaction; - Tmp_Set : aliased sigset_t; - Result : Interfaces.C.int; - - function State - (Int : System.Interrupt_Management.Interrupt_ID) return Character; - pragma Import (C, State, "__gnat_get_interrupt_state"); - -- Get interrupt state. Defined in a-init.c - -- The input argument is the interrupt number, - -- and the result is one of the following: - - Default : constant Character := 's'; - -- 'n' this interrupt not set by any Interrupt_State pragma - -- 'u' Interrupt_State pragma set state to User - -- 'r' Interrupt_State pragma set state to Runtime - -- 's' Interrupt_State pragma set state to System (use "default" - -- system handler) - - begin - Environment_Task_Id := Environment_Task; - - Interrupt_Management.Initialize; - - -- Prepare the set of signals that should unblocked in all tasks - - Result := sigemptyset (Unblocked_Signal_Mask'Access); - pragma Assert (Result = 0); - - for J in Interrupt_Management.Interrupt_ID loop - if System.Interrupt_Management.Keep_Unmasked (J) then - Result := sigaddset (Unblocked_Signal_Mask'Access, Signal (J)); - pragma Assert (Result = 0); - end if; - end loop; - - -- Initialize the lock used to synchronize chain of all ATCBs - - Initialize_Lock (Single_RTS_Lock'Access, RTS_Lock_Level); - - Specific.Initialize (Environment_Task); - - Enter_Task (Environment_Task); - - -- Install the abort-signal handler - - if State - (System.Interrupt_Management.Abort_Task_Interrupt) /= Default - then - act.sa_flags := 0; - act.sa_handler := Abort_Handler'Address; - - Result := sigemptyset (Tmp_Set'Access); - pragma Assert (Result = 0); - act.sa_mask := Tmp_Set; - - Result := - sigaction - (Signal (System.Interrupt_Management.Abort_Task_Interrupt), - act'Unchecked_Access, - old_act'Unchecked_Access); - - pragma Assert (Result = 0); - end if; - end Initialize; - -end System.Task_Primitives.Operations; diff --git a/gcc/ada/s-tpopsp-lynxos.adb b/gcc/ada/s-tpopsp-lynxos.adb deleted file mode 100644 index bc98b11..0000000 --- a/gcc/ada/s-tpopsp-lynxos.adb +++ /dev/null @@ -1,111 +0,0 @@ ------------------------------------------------------------------------------- --- -- --- GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS -- --- -- --- SYSTEM.TASK_PRIMITIVES.OPERATIONS.SPECIFIC -- --- -- --- B o d y -- --- -- --- Copyright (C) 1992-2009, Free Software Foundation, Inc. -- --- -- --- GNARL is free software; you can redistribute it and/or modify it under -- --- terms of the GNU General Public License as published by the Free Soft- -- --- ware Foundation; either version 3, or (at your option) any later ver- -- --- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- --- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- --- or FITNESS FOR A PARTICULAR PURPOSE. -- --- -- --- As a special exception under Section 7 of GPL version 3, you are granted -- --- additional permissions described in the GCC Runtime Library Exception, -- --- version 3.1, as published by the Free Software Foundation. -- --- -- --- You should have received a copy of the GNU General Public License and -- --- a copy of the GCC Runtime Library Exception along with this program; -- --- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- --- <http://www.gnu.org/licenses/>. -- --- -- --- GNARL was developed by the GNARL team at Florida State University. -- --- Extensive contributions were provided by Ada Core Technologies, Inc. -- --- -- ------------------------------------------------------------------------------- - --- This is a LynxOS version of this package. - -separate (System.Task_Primitives.Operations) -package body Specific is - - ---------------- - -- Initialize -- - ---------------- - - procedure Initialize (Environment_Task : Task_Id) is - pragma Warnings (Off, Environment_Task); - Result : Interfaces.C.int; - - begin - Result := st_keycreate (null, ATCB_Key'Access); - pragma Assert (Result = 0); - end Initialize; - - ------------------- - -- Is_Valid_Task -- - ------------------- - - function Is_Valid_Task return Boolean is - Result : Interfaces.C.int; - Value : aliased System.Address; - begin - Result := st_getspecific (ATCB_Key, Value'Address); - pragma Assert (Result = 0); - return (Value /= System.Null_Address); - end Is_Valid_Task; - - --------- - -- Set -- - --------- - - procedure Set (Self_Id : Task_Id) is - Result : Interfaces.C.int; - - begin - Result := st_setspecific (ATCB_Key, To_Address (Self_Id)); - pragma Assert (Result = 0); - end Set; - - ---------- - -- Self -- - ---------- - - -- To make Ada tasks and C threads interoperate better, we have added some - -- functionality to Self. Suppose a C main program (with threads) calls an - -- Ada procedure and the Ada procedure calls the tasking runtime system. - -- Eventually, a call will be made to self. Since the call is not coming - -- from an Ada task, there will be no corresponding ATCB. - - -- What we do in Self is to catch references that do not come from - -- recognized Ada tasks, and create an ATCB for the calling thread. - - -- The new ATCB will be "detached" from the normal Ada task master - -- hierarchy, much like the existing implicitly created signal-server - -- tasks. - - function Self return Task_Id is - Value : aliased System.Address; - - Result : Interfaces.C.int; - pragma Unreferenced (Result); - - begin - Result := st_getspecific (ATCB_Key, Value'Address); - -- Is it OK not to check this result??? - - -- If the key value is Null, then it is a non-Ada task. - - if Value /= System.Null_Address then - return To_Task_Id (Value); - else - return Register_Foreign_Thread; - end if; - end Self; - -end Specific; diff --git a/gcc/ada/system-lynxos-ppc.ads b/gcc/ada/system-lynxos-ppc.ads deleted file mode 100644 index 3f701b2..0000000 --- a/gcc/ada/system-lynxos-ppc.ads +++ /dev/null @@ -1,157 +0,0 @@ ------------------------------------------------------------------------------- --- -- --- GNAT RUN-TIME COMPONENTS -- --- -- --- S Y S T E M -- --- -- --- S p e c -- --- (LynxOS PPC Version) -- --- -- --- Copyright (C) 1992-2012, Free Software Foundation, Inc. -- --- -- --- This specification is derived from the Ada Reference Manual for use with -- --- GNAT. The copyright notice above, and the license provisions that follow -- --- apply solely to the contents of the part following the private keyword. -- --- -- --- GNAT is free software; you can redistribute it and/or modify it under -- --- terms of the GNU General Public License as published by the Free Soft- -- --- ware Foundation; either version 3, or (at your option) any later ver- -- --- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- --- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- --- or FITNESS FOR A PARTICULAR PURPOSE. -- --- -- --- As a special exception under Section 7 of GPL version 3, you are granted -- --- additional permissions described in the GCC Runtime Library Exception, -- --- version 3.1, as published by the Free Software Foundation. -- --- -- --- You should have received a copy of the GNU General Public License and -- --- a copy of the GCC Runtime Library Exception along with this program; -- --- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- --- <http://www.gnu.org/licenses/>. -- --- -- --- GNAT was originally developed by the GNAT team at New York University. -- --- Extensive contributions were provided by Ada Core Technologies Inc. -- --- -- ------------------------------------------------------------------------------- - -package System is - pragma Pure; - -- Note that we take advantage of the implementation permission to make - -- this unit Pure instead of Preelaborable; see RM 13.7.1(15). In Ada - -- 2005, this is Pure in any case (AI-362). - - type Name is (SYSTEM_NAME_GNAT); - System_Name : constant Name := SYSTEM_NAME_GNAT; - - -- System-Dependent Named Numbers - - Min_Int : constant := Long_Long_Integer'First; - Max_Int : constant := Long_Long_Integer'Last; - - Max_Binary_Modulus : constant := 2 ** Long_Long_Integer'Size; - Max_Nonbinary_Modulus : constant := 2 ** Integer'Size - 1; - - Max_Base_Digits : constant := Long_Long_Float'Digits; - Max_Digits : constant := Long_Long_Float'Digits; - - Max_Mantissa : constant := 63; - Fine_Delta : constant := 2.0 ** (-Max_Mantissa); - - Tick : constant := 0.01; - - -- Storage-related Declarations - - type Address is private; - pragma Preelaborable_Initialization (Address); - Null_Address : constant Address; - - Storage_Unit : constant := 8; - Word_Size : constant := 32; - Memory_Size : constant := 2 ** 32; - - -- Address comparison - - function "<" (Left, Right : Address) return Boolean; - function "<=" (Left, Right : Address) return Boolean; - function ">" (Left, Right : Address) return Boolean; - function ">=" (Left, Right : Address) return Boolean; - function "=" (Left, Right : Address) return Boolean; - - pragma Import (Intrinsic, "<"); - pragma Import (Intrinsic, "<="); - pragma Import (Intrinsic, ">"); - pragma Import (Intrinsic, ">="); - pragma Import (Intrinsic, "="); - - -- Other System-Dependent Declarations - - type Bit_Order is (High_Order_First, Low_Order_First); - Default_Bit_Order : constant Bit_Order := High_Order_First; - pragma Warnings (Off, Default_Bit_Order); -- kill constant condition warning - - -- Priority-related Declarations (RM D.1) - - -- 17 is the system determined default priority for user applications - -- running on LynxOS. - - -- The standard (Rm 13.7) requires that Default_Priority has the value: - - -- (Priority'First + Priority'Last) / 2 - - -- To allow an appropriate value for Default_Priority and expose a useful - -- range of priorities to the user, we use a range of 0 .. 34 for subtype - -- Priority. - - -- The rest of the range allowed by the system from 35 to 255 is made - -- available here in Interrupt_Priority. - - Max_Priority : constant Positive := 34; - Max_Interrupt_Priority : constant Positive := 255; - - subtype Any_Priority is Integer range 0 .. 255; - subtype Priority is Any_Priority range 0 .. 34; - subtype Interrupt_Priority is Any_Priority range 35 .. 255; - - Default_Priority : constant Priority := 17; - -private - - type Address is mod Memory_Size; - Null_Address : constant Address := 0; - - -------------------------------------- - -- System Implementation Parameters -- - -------------------------------------- - - -- These parameters provide information about the target that is used - -- by the compiler. They are in the private part of System, where they - -- can be accessed using the special circuitry in the Targparm unit - -- whose source should be consulted for more detailed descriptions - -- of the individual switch values. - - Backend_Divide_Checks : constant Boolean := False; - Backend_Overflow_Checks : constant Boolean := False; - Command_Line_Args : constant Boolean := True; - Configurable_Run_Time : constant Boolean := False; - Denorm : constant Boolean := True; - Duration_32_Bits : constant Boolean := False; - Exit_Status_Supported : constant Boolean := True; - Fractional_Fixed_Ops : constant Boolean := False; - Frontend_Layout : constant Boolean := False; - Machine_Overflows : constant Boolean := False; - Machine_Rounds : constant Boolean := True; - Preallocated_Stacks : constant Boolean := False; - Signed_Zeros : constant Boolean := True; - Stack_Check_Default : constant Boolean := False; - Stack_Check_Probes : constant Boolean := True; - Stack_Check_Limits : constant Boolean := False; - Support_Aggregates : constant Boolean := True; - Support_Composite_Assign : constant Boolean := True; - Support_Composite_Compare : constant Boolean := True; - Support_Long_Shifts : constant Boolean := True; - Always_Compatible_Rep : constant Boolean := False; - Suppress_Standard_Library : constant Boolean := False; - Use_Ada_Main_Program_Name : constant Boolean := False; - ZCX_By_Default : constant Boolean := False; - -end System; diff --git a/gcc/ada/system-lynxos-x86.ads b/gcc/ada/system-lynxos-x86.ads deleted file mode 100644 index 70adfa98..0000000 --- a/gcc/ada/system-lynxos-x86.ads +++ /dev/null @@ -1,158 +0,0 @@ ------------------------------------------------------------------------------- --- -- --- GNAT RUN-TIME COMPONENTS -- --- -- --- S Y S T E M -- --- -- --- S p e c -- --- (LynxOS x86 Version) -- --- -- --- Copyright (C) 1992-2012, Free Software Foundation, Inc. -- --- -- --- This specification is derived from the Ada Reference Manual for use with -- --- GNAT. The copyright notice above, and the license provisions that follow -- --- apply solely to the contents of the part following the private keyword. -- --- -- --- GNAT is free software; you can redistribute it and/or modify it under -- --- terms of the GNU General Public License as published by the Free Soft- -- --- ware Foundation; either version 3, or (at your option) any later ver- -- --- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- --- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- --- or FITNESS FOR A PARTICULAR PURPOSE. -- --- -- --- As a special exception under Section 7 of GPL version 3, you are granted -- --- additional permissions described in the GCC Runtime Library Exception, -- --- version 3.1, as published by the Free Software Foundation. -- --- -- --- You should have received a copy of the GNU General Public License and -- --- a copy of the GCC Runtime Library Exception along with this program; -- --- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- --- <http://www.gnu.org/licenses/>. -- --- -- --- GNAT was originally developed by the GNAT team at New York University. -- --- Extensive contributions were provided by Ada Core Technologies Inc. -- --- -- ------------------------------------------------------------------------------- - -package System is - pragma Pure; - -- Note that we take advantage of the implementation permission to make - -- this unit Pure instead of Preelaborable; see RM 13.7.1(15). In Ada - -- 2005, this is Pure in any case (AI-362). - - type Name is (SYSTEM_NAME_GNAT); - System_Name : constant Name := SYSTEM_NAME_GNAT; - - -- System-Dependent Named Numbers - - Min_Int : constant := Long_Long_Integer'First; - Max_Int : constant := Long_Long_Integer'Last; - - Max_Binary_Modulus : constant := 2 ** Long_Long_Integer'Size; - Max_Nonbinary_Modulus : constant := 2 ** Integer'Size - 1; - - Max_Base_Digits : constant := Long_Long_Float'Digits; - Max_Digits : constant := Long_Long_Float'Digits; - - Max_Mantissa : constant := 63; - Fine_Delta : constant := 2.0 ** (-Max_Mantissa); - - Tick : constant := 0.01; - - -- Storage-related Declarations - - type Address is private; - pragma Preelaborable_Initialization (Address); - Null_Address : constant Address; - - Storage_Unit : constant := 8; - Word_Size : constant := 32; - Memory_Size : constant := 2 ** 32; - - -- Address comparison - - function "<" (Left, Right : Address) return Boolean; - function "<=" (Left, Right : Address) return Boolean; - function ">" (Left, Right : Address) return Boolean; - function ">=" (Left, Right : Address) return Boolean; - function "=" (Left, Right : Address) return Boolean; - - pragma Import (Intrinsic, "<"); - pragma Import (Intrinsic, "<="); - pragma Import (Intrinsic, ">"); - pragma Import (Intrinsic, ">="); - pragma Import (Intrinsic, "="); - - -- Other System-Dependent Declarations - - type Bit_Order is (High_Order_First, Low_Order_First); - Default_Bit_Order : constant Bit_Order := Low_Order_First; - pragma Warnings (Off, Default_Bit_Order); -- kill constant condition warning - - -- Priority-related Declarations (RM D.1) - - -- 17 is the system determined default priority for user applications - -- running on LynxOS. - - -- The standard (Rm 13.7) requires that Default_Priority has the value: - - -- (Priority'First + Priority'Last) / 2 - - -- To allow an appropriate value for Default_Priority and expose a useful - -- range of priorities to the user, we use a range of 0 .. 34 for subtype - -- Priority. - - -- The rest of the range allowed by the system from 35 to 255 is made - -- available here in Interrupt_Priority. - - Max_Priority : constant Positive := 34; - Max_Interrupt_Priority : constant Positive := 255; - - subtype Any_Priority is Integer range 0 .. 255; - subtype Priority is Any_Priority range 0 .. 34; - subtype Interrupt_Priority is Any_Priority range 35 .. 255; - - Default_Priority : constant Priority := 17; - -private - - type Address is mod Memory_Size; - Null_Address : constant Address := 0; - - -------------------------------------- - -- System Implementation Parameters -- - -------------------------------------- - - -- These parameters provide information about the target that is used - -- by the compiler. They are in the private part of System, where they - -- can be accessed using the special circuitry in the Targparm unit - -- whose source should be consulted for more detailed descriptions - -- of the individual switch values. - - Backend_Divide_Checks : constant Boolean := False; - Backend_Overflow_Checks : constant Boolean := False; - Command_Line_Args : constant Boolean := True; - Configurable_Run_Time : constant Boolean := False; - Denorm : constant Boolean := True; - Duration_32_Bits : constant Boolean := False; - Exit_Status_Supported : constant Boolean := True; - Fractional_Fixed_Ops : constant Boolean := False; - Frontend_Layout : constant Boolean := False; - Machine_Overflows : constant Boolean := False; - Machine_Rounds : constant Boolean := True; - Preallocated_Stacks : constant Boolean := False; - Signed_Zeros : constant Boolean := True; - Stack_Check_Default : constant Boolean := False; - Stack_Check_Probes : constant Boolean := True; - Stack_Check_Limits : constant Boolean := False; - Support_Aggregates : constant Boolean := True; - Support_Atomic_Primitives : constant Boolean := True; - Support_Composite_Assign : constant Boolean := True; - Support_Composite_Compare : constant Boolean := True; - Support_Long_Shifts : constant Boolean := True; - Always_Compatible_Rep : constant Boolean := False; - Suppress_Standard_Library : constant Boolean := False; - Use_Ada_Main_Program_Name : constant Boolean := False; - ZCX_By_Default : constant Boolean := False; - -end System; |