diff options
Diffstat (limited to 'gcc-4.3.1/gcc/ada/s-tpopsp-posix.adb')
| -rw-r--r-- | gcc-4.3.1/gcc/ada/s-tpopsp-posix.adb | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/gcc-4.3.1/gcc/ada/s-tpopsp-posix.adb b/gcc-4.3.1/gcc/ada/s-tpopsp-posix.adb new file mode 100644 index 000000000..39a1120e0 --- /dev/null +++ b/gcc-4.3.1/gcc/ada/s-tpopsp-posix.adb @@ -0,0 +1,81 @@ +------------------------------------------------------------------------------ +-- -- +-- 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 . -- +-- S P E C I F I C -- +-- -- +-- B o d y -- +-- -- +-- Copyright (C) 1992-2005, Free Software Fundation, 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 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, 51 Franklin Street, Fifth Floor, -- +-- Boston, MA 02110-1301, 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 a POSIX-like 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 := pthread_key_create (ATCB_Key'Access, null); + pragma Assert (Result = 0); + end Initialize; + + ------------------- + -- Is_Valid_Task -- + ------------------- + + function Is_Valid_Task return Boolean is + begin + return pthread_getspecific (ATCB_Key) /= System.Null_Address; + end Is_Valid_Task; + + --------- + -- 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 + begin + return To_Task_Id (pthread_getspecific (ATCB_Key)); + end Self; + +end Specific; |