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authorArnaud Charlet <charlet@act-europe.fr>2004-05-14 12:02:00 +0200
committerArnaud Charlet <charlet@gcc.gnu.org>2004-05-14 12:02:00 +0200
commit084c663c9911a6649407b9956d9d2d59499cd03c (patch)
treead67eadab2c2032169ff2f33eb289b29a4e7e3a9 /gcc/ada/s-taspri-os2.ads
parent02ea8d06bf236a38614eb0c88944e87df3b373f3 (diff)
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Renaming of target specific files for clarity
* Makefile.in: Rename GNAT target specific files. * 31soccon.ads, 31soliop.ads 35soccon.ads, 3asoccon.ads, 3bsoccon.ads, 3gsoccon.ads, 3hsoccon.ads, 3psoccon.ads, 3ssoccon.ads, 3ssoliop.ads, 3veacodu.adb, 3vexpect.adb, 3vsoccon.ads, 3vsocthi.adb, 3vsocthi.ads, 3vtrasym.adb, 3wsoccon.ads, 3wsocthi.adb, 3wsocthi.ads, 3wsoliop.ads, 3zsoccon.ads, 3zsocthi.adb, 3zsocthi.ads, 41intnam.ads, 42intnam.ads, 45intnam.ads, 4aintnam.ads, 4cintnam.ads, 4gintnam.ads, 4hexcpol.adb, 4hintnam.ads, 4lintnam.ads, 4nintnam.ads, 4ointnam.ads, 4onumaux.ads, 4pintnam.ads, 4sintnam.ads, 4vcaldel.adb, 4vcalend.adb, 4vcalend.ads, 4vintnam.ads, 4wcalend.adb, 4wexcpol.adb, 4wintnam.ads, 4zintnam.ads, 4znumaux.ads, 4zsytaco.adb, 4zsytaco.ads, 51osinte.adb, 51osinte.ads, 51system.ads, 52osinte.adb, 52osinte.ads, 53osinte.ads, 54osinte.ads, 55osinte.adb, 55osinte.ads, 55system.ads, 56osinte.adb, 56osinte.ads, 56system.ads, 56taprop.adb, 56taspri.ads, 56tpopsp.adb, 57system.ads, 58system.ads, 5amastop.adb, 5aml-tgt.adb, 5aosinte.adb, 5aosinte.ads, 5asystem.ads, 5ataprop.adb, 5atasinf.ads, 5ataspri.ads, 5atpopsp.adb, 5avxwork.ads, 5bml-tgt.adb, 5bosinte.adb, 5bosinte.ads, 5bsystem.ads, 5cosinte.ads, 5csystem.ads, 5dsystem.ads, 5esystem.ads, 5fintman.adb, 5fosinte.adb, 5fosinte.ads, 5fsystem.ads, 5ftaprop.adb, 5ftasinf.ads, 5ginterr.adb, 5gintman.adb, 5gmastop.adb, 5gml-tgt.adb, 5gosinte.ads, 5gproinf.adb, 5gproinf.ads, 5gsystem.ads, 5gtaprop.adb, 5gtasinf.adb, 5gtasinf.ads, 5gtpgetc.adb, 5hml-tgt.adb, 5hosinte.adb, 5hosinte.ads, 5hparame.ads, 5hsystem.ads, 5htaprop.adb, 5htaspri.ads, 5htraceb.adb, 5iosinte.adb, 5iosinte.ads, 5itaprop.adb, 5itaspri.ads, 5ksystem.ads, 5kvxwork.ads, 5lml-tgt.adb, 5losinte.ads, 5lparame.adb, 5lsystem.ads, 5msystem.ads, 5mvxwork.ads, 5ninmaop.adb, 5nintman.adb, 5nosinte.ads, 5nsystem.ads, 5ntaprop.adb, 5ntaspri.ads, 5ointerr.adb, 5omastop.adb, 5oosinte.adb, 5oosinte.ads, 5oosprim.adb, 5oparame.adb, 5osystem.ads, 5otaprop.adb, 5otaspri.ads, 5posinte.ads, 5posprim.adb, 5psystem.ads, 5pvxwork.ads, 5sintman.adb, 5sml-tgt.adb, 5sosinte.adb, 5sosinte.ads, 5sosprim.adb, 5sparame.adb, 5ssystem.ads, 5staprop.adb, 5stasinf.adb, 5stasinf.ads, 5staspri.ads, 5stpopsp.adb, 5svxwork.ads, 5tosinte.ads, 5usystem.ads, 5vasthan.adb, 5vdirval.adb, 5vinmaop.adb, 5vinterr.adb, 5vintman.adb, 5vintman.ads, 5vmastop.adb, 5vml-tgt.adb, 5vosinte.adb, 5vosinte.ads, 5vosprim.adb, 5vosprim.ads, 5vparame.ads, 5vsymbol.adb, 5vsystem.ads, 5vtaprop.adb, 5vtaspri.ads, 5vtpopde.adb, 5vtpopde.ads, 5vtraent.adb, 5vtraent.ads, 5vvaflop.adb, 5wdirval.adb, 5wgloloc.adb, 5wintman.adb, 5wmemory.adb, 5wml-tgt.adb, 5wosinte.ads, 5wosprim.adb, 5wsystem.ads, 5wtaprop.adb, 5wtaspri.ads, 5xparame.ads, 5xsystem.ads, 5xvxwork.ads, 5yparame.ads, 5ysystem.ads, 5zinterr.adb, 5zintman.adb, 5zintman.ads, 5zml-tgt.adb, 5zosinte.adb, 5zosinte.ads, 5zosprim.adb, 5zparame.ads, 5zstchop.adb, 5zsystem.ads, 5ztaprop.adb, 5ztaspri.ads, 5ztfsetr.adb, 5ztpopsp.adb, 6vcpp.adb, 6vcstrea.adb, 6vinterf.ads, 7sinmaop.adb, 7sintman.adb, 7sosinte.adb, 7sosprim.adb, 7staprop.adb, 7staspri.ads, 7stfsetr.adb, 7stpopsp.adb, 7straceb.adb, 7straces.adb, 7strafor.adb, 7strafor.ads, 7stratas.adb, 86numaux.adb, 86numaux.ads: Replaced by files below. * a-caldel-vms.adb, a-calend-mingw.adb, a-calend-vms.adb, a-calend-vms.ads, a-dirval-mingw.adb, a-dirval-vms.adb, a-excpol-abort.adb, a-excpol-interix.adb, a-intnam-aix.ads, a-intnam-dummy.ads, a-intnam-freebsd.ads, a-intnam-hpux.ads, a-intnam-interix.ads, a-intnam-irix.ads, a-intnam-linux.ads, a-intnam-lynxos.ads, a-intnam-mingw.ads, a-intnam-os2.ads, a-intnam-solaris.ads, a-intnam-tru64.ads, a-intnam-unixware.ads, a-intnam-vms.ads, a-intnam-vxworks.ads, a-numaux-libc-x86.ads, a-numaux-vxworks.ads, a-numaux-x86.adb, a-numaux-x86.ads, a-sytaco-vxworks.adb, a-sytaco-vxworks.ads, g-eacodu-vms.adb, g-expect-vms.adb, g-soccon-aix.ads, g-soccon-freebsd.ads, g-soccon-hpux.ads, g-soccon-interix.ads, g-soccon-irix.ads, g-soccon-mingw.ads, g-soccon-solaris.ads, g-soccon-tru64.ads, g-soccon-unixware.ads, g-soccon-vms.adb, g-soccon-vxworks.ads, g-socthi-mingw.adb, g-socthi-mingw.ads, g-socthi-vms.adb, g-socthi-vms.ads, g-socthi-vxworks.adb, g-socthi-vxworks.ads, g-soliop-mingw.ads, g-soliop-solaris.ads, g-soliop-unixware.ads, g-trasym-vms.adb, i-cpp-vms.adb, i-cstrea-vms.adb, interfac-vms.ads, mlib-tgt-aix.adb, mlib-tgt-hpux.adb, mlib-tgt-irix.adb, mlib-tgt-linux.adb, mlib-tgt-mingw.adb, mlib-tgt-solaris.adb, mlib-tgt-tru64.adb, mlib-tgt-vms.adb, mlib-tgt-vxworks.adb, s-asthan-vms.adb, s-gloloc-mingw.adb, s-inmaop-dummy.adb, s-inmaop-posix.adb, s-inmaop-vms.adb, s-interr-dummy.adb, s-interr-sigaction.adb, s-interr-vms.adb, s-interr-vxworks.adb, s-intman-dummy.adb, s-intman-irix.adb, s-intman-irix-athread.adb, s-intman-mingw.adb, s-intman-posix.adb, s-intman-solaris.adb, s-intman-vms.adb, s-intman-vms.ads, s-intman-vxworks.adb, s-intman-vxworks.ads, s-mastop-irix.adb, s-mastop-tru64.adb, s-mastop-vms.adb, s-mastop-x86.adb, s-memory-mingw.adb, s-osinte-aix.adb, s-osinte-aix.ads, s-osinte-aix-fsu.ads, s-osinte-dummy.ads, s-osinte-freebsd.adb, s-osinte-freebsd.ads, s-osinte-fsu.adb, s-osinte-hpux.ads, s-osinte-hpux-dce.adb, s-osinte-hpux-dce.ads, s-osinte-interix.ads, s-osinte-irix.adb, s-osinte-irix.ads, s-osinte-irix-athread.ads, s-osinte-linux.ads, s-osinte-linux-fsu.ads, s-osinte-linux-ia64.ads, s-osinte-lynxos-3.adb, s-osinte-lynxos-3.ads, s-osinte-lynxos.adb, s-osinte-lynxos.ads, s-osinte-mingw.ads, s-osinte-os2.adb, s-osinte-os2.ads, s-osinte-posix.adb, s-osinte-solaris.adb, s-osinte-solaris.ads, s-osinte-solaris-fsu.ads, s-osinte-solaris-posix.ads, s-osinte-tru64.adb, s-osinte-tru64.ads, s-osinte-unixware.adb, s-osinte-unixware.ads, s-osinte-vms.adb, s-osinte-vms.ads, s-osinte-vxworks.adb, s-osinte-vxworks.ads, s-osprim-mingw.adb, s-osprim-os2.adb, s-osprim-posix.adb, s-osprim-solaris.adb, s-osprim-unix.adb, s-osprim-vms.adb, s-osprim-vms.ads, s-osprim-vxworks.adb, s-parame-ae653.ads, s-parame-hpux.ads, s-parame-linux.adb, s-parame-os2.adb, s-parame-solaris.adb, s-parame-vms.ads, s-parame-vms-restrict.ads, s-parame-vxworks.ads, s-proinf-irix-athread.adb, s-proinf-irix-athread.ads, s-stchop-vxworks.adb, s-taprop-dummy.adb, s-taprop-hpux-dce.adb, s-taprop-irix.adb, s-taprop-irix-athread.adb, s-taprop-linux.adb, s-taprop-lynxos.adb, s-taprop-mingw.adb, s-taprop-os2.adb, s-taprop-posix.adb, s-taprop-solaris.adb, s-taprop-tru64.adb, s-taprop-vms.adb, s-taprop-vxworks.adb, s-tasinf-irix.ads, s-tasinf-irix-athread.adb, s-tasinf-irix-athread.ads, s-tasinf-solaris.adb, s-tasinf-solaris.ads, s-tasinf-tru64.ads, s-taspri-dummy.ads, s-taspri-hpux-dce.ads, s-taspri-linux.ads, s-taspri-lynxos.ads, s-taspri-mingw.ads, s-taspri-os2.ads, s-taspri-posix.ads, s-taspri-solaris.ads, s-taspri-tru64.ads, s-taspri-vms.ads, s-taspri-vxworks.ads, s-tfsetr-default.adb, s-tfsetr-vxworks.adb, s-tpopde-vms.adb, s-tpopde-vms.ads, s-tpopsp-lynxos.adb, s-tpopsp-posix.adb, s-tpopsp-posix-foreign.adb, s-tpopsp-solaris.adb, s-tpopsp-vxworks.adb, s-traceb-hpux.adb, s-traceb-mastop.adb, s-traces-default.adb, s-traent-vms.adb, s-traent-vms.ads, s-trafor-default.adb, s-trafor-default.ads, s-tratas-default.adb, s-vaflop-vms.adb, s-vxwork-alpha.ads, s-vxwork-m68k.ads, s-vxwork-mips.ads, s-vxwork-ppc.ads, s-vxwork-sparcv9.ads, s-vxwork-xscale.ads, symbols-vms.adb, system-aix.ads, system-freebsd-x86.ads, system-hpux.ads, system-interix.ads, system-irix-n32.ads, system-irix-o32.ads, system-linux-x86_64.ads, system-linux-x86.ads, system-lynxos-ppc.ads, system-lynxos-x86.ads, system-mingw.ads, system-os2.ads, system-solaris-sparc.ads, system-solaris-sparcv9.ads, system-solaris-x86.ads, system-tru64.ads, system-unixware.ads, system-vms.ads, system-vms-zcx.ads, system-vxworks-alpha.ads, system-vxworks-m68k.ads, system-vxworks-mips.ads, system-vxworks-ppc.ads, system-vxworks-sparcv9.ads, system-vxworks-xscale.ads: Replace files above. From-SVN: r81834
Diffstat (limited to 'gcc/ada/s-taspri-os2.ads')
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+------------------------------------------------------------------------------
+-- --
+-- GNU ADA 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 --
+-- --
+-- S p e c --
+-- --
+-- Copyright (C) 1991-1994, Florida State University --
+-- Copyright (C) 1995-2003, Ada Core Technologies --
+-- --
+-- 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 2, or (at your option) any later ver- --
+-- sion. GNARL 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 GNARL; see file COPYING. If not, write --
+-- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
+-- MA 02111-1307, USA. --
+-- --
+-- As a special exception, if other files instantiate generics from this --
+-- unit, or you link this unit with other files to produce an executable, --
+-- this unit does not by itself cause the resulting executable to be --
+-- covered by the GNU General Public License. This exception does not --
+-- however invalidate any other reasons why the executable file might be --
+-- covered by the GNU Public License. --
+-- --
+-- GNARL was developed by the GNARL team at Florida State University. --
+-- Extensive contributions were provided by Ada Core Technologies, Inc. --
+-- --
+------------------------------------------------------------------------------
+
+-- This is an OS/2 version of this package.
+
+-- This package provides low-level support for most tasking features.
+
+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 Interfaces.OS2Lib.Threads;
+with Interfaces.OS2Lib.Synchronization;
+
+package System.Task_Primitives is
+
+ pragma Preelaborate;
+
+-- type Lock is limited private;
+ -- Should be used for implementation of protected objects.
+
+-- type RTS_Lock is limited private;
+ -- Should be used inside the runtime system.
+ -- The difference between Lock and the RTS_Lock is that the later
+ -- one serves only as a semaphore so that do not check for
+ -- ceiling violations.
+
+ type Task_Body_Access is access procedure;
+ -- Pointer to the task body's entry point (or possibly a wrapper
+ -- declared local to the GNARL).
+
+-- type Private_Data is limited private;
+ -- Any information that the GNULLI needs maintained on a per-task
+ -- basis. A component of this type is guaranteed to be included
+ -- in the Ada_Task_Control_Block.
+
+-- private
+
+ type Lock is record
+ Mutex : aliased Interfaces.OS2Lib.Synchronization.HMTX;
+ Priority : Integer;
+ Owner_Priority : Integer;
+ Owner_ID : Address;
+ end record;
+
+ type RTS_Lock is new Lock;
+
+ type Private_Data is record
+ Thread : aliased Interfaces.OS2Lib.Threads.TID;
+ pragma Atomic (Thread);
+ -- Thread field may be updated by two different threads of control.
+ -- (See, Enter_Task and Create_Task in s-taprop.adb).
+ -- They put the same value (thr_self value). We do not want to
+ -- use lock on those operations and the only thing we have to
+ -- make sure is that they are updated in atomic fashion.
+
+ CV : aliased Interfaces.OS2Lib.Synchronization.HEV;
+
+ L : aliased RTS_Lock;
+ -- Protection for all components is lock L
+
+ Current_Priority : Integer := -1;
+ -- The Current_Priority is the actual priority of a thread.
+ -- This field is needed because it is only possible to set a
+ -- delta priority in OS/2. The only places where this field should
+ -- be set are Set_Priority, Create_Task and Initialize (Environment).
+
+ Wrapper : Interfaces.OS2Lib.Threads.PFNTHREAD;
+ -- This is the original wrapper passed by Operations.Create_Task.
+ -- When installing an exception handler in a thread, the thread
+ -- starts executing the Exception_Wrapper which calls Wrapper
+ -- when the handler has been installed. The handler is removed when
+ -- wrapper returns.
+ end record;
+
+end System.Task_Primitives;