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Diffstat (limited to 'lang/gcc3-ada/files/7netbsdtpopsp.adb')
| -rw-r--r-- | lang/gcc3-ada/files/7netbsdtpopsp.adb | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/lang/gcc3-ada/files/7netbsdtpopsp.adb b/lang/gcc3-ada/files/7netbsdtpopsp.adb new file mode 100644 index 00000000000..bc6318400ac --- /dev/null +++ b/lang/gcc3-ada/files/7netbsdtpopsp.adb @@ -0,0 +1,89 @@ +------------------------------------------------------------------------------ +-- -- +-- GNU ADA RUN-TIME LIBRARY (GNARL) COMPONENTS -- +-- -- +-- SYSTEM.TASK_PRIMITIVES.OPERATIONS.SPECIFIC -- +-- -- +-- B o d y -- +-- -- +-- -- +-- Copyright (C) 1991-2001, 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 NetBSD 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; |