------------------------------------------------------------------------------
-- --
--- GNU ADA RUN-TIME LIBRARY (GNARL) COMPONENTS --
+-- GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS --
-- --
-- S Y S T E M . O S _ I N T E R F A C E --
-- --
-- S p e c --
-- --
-- Copyright (C) 1991-1994, Florida State University --
--- Copyright (C) 1995-2004, Free Software Foundation, Inc. --
+-- Copyright (C) 1995-2008, Free Software Foundation, 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- --
-- 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. --
+-- 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 is the SGI Pthreads version of this package
--- This package encapsulates all direct interfaces to OS services
--- that are needed by children of System.
+-- This package encapsulates all direct interfaces to OS services that are
+-- needed by the tasking run-time (libgnarl).
-- PLEASE DO NOT add any with-clauses to this package or remove the pragma
-- Preelaborate. This package is designed to be a bottom-level (leaf) package.
+with Ada.Unchecked_Conversion;
+
with Interfaces.C;
-with Unchecked_Conversion;
package System.OS_Interface is
SIGCKPT : constant := 33; -- Checkpoint warning
SIGRESTART : constant := 34; -- Restart warning
SIGUME : constant := 35; -- Uncorrectable memory error
- -- Signals defined for Posix 1003.1c.
+ -- Signals defined for Posix 1003.1c
SIGPTINTR : constant := 47;
SIGPTRESCHED : constant := 48;
-- Posix 1003.1b signals
SIGRTMAX : constant := 64; -- Posix 1003.1b signals
type sigset_t is private;
- type sigset_t_ptr is access all sigset_t;
function sigaddset (set : access sigset_t; sig : Signal) return int;
pragma Import (C, sigaddset, "sigaddset");
type Thread_Body is access
function (arg : System.Address) return System.Address;
+ pragma Convention (C, Thread_Body);
function Thread_Body_Access is new
- Unchecked_Conversion (System.Address, Thread_Body);
+ Ada.Unchecked_Conversion (System.Address, Thread_Body);
type pthread_t is private;
subtype Thread_Id is pthread_t;
function pthread_sigmask
(how : int;
- set : sigset_t_ptr;
- oset : sigset_t_ptr) return int;
+ set : access sigset_t;
+ oset : access sigset_t) return int;
pragma Import (C, pthread_sigmask, "pthread_sigmask");
--------------------------
pragma Import (C, pthread_getspecific, "pthread_getspecific");
type destructor_pointer is access procedure (arg : System.Address);
+ pragma Convention (C, destructor_pointer);
function pthread_key_create
(key : access pthread_key_t;
destructor : destructor_pointer) return int;
pragma Import (C, pthread_key_create, "pthread_key_create");
- ---------------------------------------------------------------
- -- Non portable SGI 6.5 additions to the pthread interface --
- -- must be executed from within the context of a system --
- -- scope task --
- ---------------------------------------------------------------
+ -------------------
+ -- SGI Additions --
+ -------------------
+
+ -- Non portable SGI 6.5 additions to the pthread interface must be
+ -- executed from within the context of a system scope task.
function pthread_setrunon_np (cpu : int) return int;
pragma Import (C, pthread_setrunon_np, "pthread_setrunon_np");
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