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author | Richard Kenner <kenner@gcc.gnu.org> | 2001-10-02 09:46:42 -0400 |
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committer | Richard Kenner <kenner@gcc.gnu.org> | 2001-10-02 09:46:42 -0400 |
commit | 84481f762f0682e5f45b2f360446e1c7e333c880 (patch) | |
tree | ec92b635579926dc15738c43b5de10e402669757 /gcc/ada/7stpopsp.adb | |
parent | 62a040818aae81ad8558ebbe3c8973a16e7c250f (diff) | |
download | gcc-84481f762f0682e5f45b2f360446e1c7e333c880.zip gcc-84481f762f0682e5f45b2f360446e1c7e333c880.tar.gz gcc-84481f762f0682e5f45b2f360446e1c7e333c880.tar.bz2 |
New Language: Ada
From-SVN: r45952
Diffstat (limited to 'gcc/ada/7stpopsp.adb')
-rw-r--r-- | gcc/ada/7stpopsp.adb | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/gcc/ada/7stpopsp.adb b/gcc/ada/7stpopsp.adb new file mode 100644 index 0000000..03fcded --- /dev/null +++ b/gcc/ada/7stpopsp.adb @@ -0,0 +1,91 @@ +------------------------------------------------------------------------------ +-- -- +-- 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 . O P E R A T I O N S . -- +-- S P E C I F I C -- +-- -- +-- B o d y -- +-- -- +-- $Revision: 1.1 $ -- +-- -- +-- Copyright (C) 1991-1998, Florida State University -- +-- -- +-- 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. It is -- +-- now maintained by Ada Core Technologies Inc. in cooperation with Florida -- +-- State University (http://www.gnat.com). -- +-- -- +------------------------------------------------------------------------------ + +-- This is a FSU-like version of this package. + +separate (System.Task_Primitives.Operations) +package body Specific is + + ------------------ + -- Local Data -- + ------------------ + + -- The followings are logically constants, but need to be initialized + -- at run time. + + ATCB_Key : aliased pthread_key_t; + -- Key used to find the Ada Task_ID associated with a thread + + ---------------- + -- Initialize -- + ---------------- + + procedure Initialize (Environment_Task : Task_ID) is + Result : Interfaces.C.int; + begin + Result := pthread_key_create (ATCB_Key'Access, null); + pragma Assert (Result = 0); + Result := pthread_setspecific (ATCB_Key, To_Address (Environment_Task)); + pragma Assert (Result = 0); + end Initialize; + + --------- + -- Set -- + --------- + + procedure Set (Self_Id : Task_ID) is + Result : Interfaces.C.int; + + begin + Result := pthread_setspecific (ATCB_Key, To_Address (Self_Id)); + pragma Assert (Result = 0); + end Set; + + ---------- + -- Self -- + ---------- + + function Self return Task_ID is + Result : System.Address; + + begin + Result := pthread_getspecific (ATCB_Key); + pragma Assert (Result /= System.Null_Address); + return To_Task_ID (Result); + end Self; + +end Specific; |