e2413e229d
C/C++/objc are supported. Others are welcome to add the rest, and there're probably other things to be fixed/done as well that I didn't notice. Only tested by me on NetBSD/i386 4.99.19, where it works well.
100 lines
4.1 KiB
Ada
100 lines
4.1 KiB
Ada
------------------------------------------------------------------------------
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-- --
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-- GNU ADA RUN-TIME LIBRARY (GNARL) COMPONENTS --
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-- --
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-- SYSTEM.TASK_PRIMITIVES.OPERATIONS.SPECIFIC --
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-- --
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-- B o d y --
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-- --
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-- --
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-- Copyright (C) 1991-2001, Florida State University --
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-- --
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-- GNARL is free software; you can redistribute it and/or modify it under --
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-- terms of the GNU General Public License as published by the Free Soft- --
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-- ware Foundation; either version 2, or (at your option) any later ver- --
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-- sion. GNARL is distributed in the hope that it will be useful, but WITH- --
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-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
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-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
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-- for more details. You should have received a copy of the GNU General --
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-- Public License distributed with GNARL; see file COPYING. If not, write --
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-- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
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-- MA 02111-1307, USA. --
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-- --
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-- As a special exception, if other files instantiate generics from this --
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-- unit, or you link this unit with other files to produce an executable, --
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-- this unit does not by itself cause the resulting executable to be --
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-- covered by the GNU General Public License. This exception does not --
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-- however invalidate any other reasons why the executable file might be --
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-- covered by the GNU Public License. --
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-- --
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-- GNARL was developed by the GNARL team at Florida State University. It is --
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-- now maintained by Ada Core Technologies Inc. in cooperation with Florida --
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-- State University (http://www.gnat.com). --
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-- --
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------------------------------------------------------------------------------
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-- This is a NetBSD version of this package.
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separate (System.Task_Primitives.Operations)
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package body Specific is
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------------------
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-- Local Data --
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------------------
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-- The followings are logically constants, but need to be initialized
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-- at run time.
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ATCB_Key : aliased pthread_key_t;
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-- Key used to find the Ada Task_ID associated with a thread
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----------------
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-- Initialize --
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----------------
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procedure Initialize (Environment_Task : Task_ID) is
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Result : Interfaces.C.int;
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begin
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Result := pthread_key_create (ATCB_Key'Access, null);
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pragma Assert (Result = 0);
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Result := pthread_setspecific (ATCB_Key, To_Address (Environment_Task));
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pragma Assert (Result = 0);
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end Initialize;
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---------
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-- Set --
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---------
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procedure Set (Self_Id : Task_ID) is
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Result : Interfaces.C.int;
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begin
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Result := pthread_setspecific (ATCB_Key, To_Address (Self_Id));
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pragma Assert (Result = 0);
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end Set;
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----------
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-- Self --
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----------
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function Self return Task_ID is
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Result : System.Address;
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begin
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Result := pthread_getspecific (ATCB_Key);
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pragma Assert (Result /= System.Null_Address);
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return To_Task_Id (Result);
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end Self;
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-------------------
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-- Is_Valid_Task --
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-------------------
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function Is_Valid_Task return Boolean is
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begin
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return pthread_getspecific (ATCB_Key) /= System.Null_Address;
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end Is_Valid_Task;
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end Specific;
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