2009-10-01 Tobias Burnus <burnus@net-b.de>

[pf3gnuchains/gcc-fork.git] / gcc / ada / s-osinte-lynxos-3.ads

diff --git a/gcc/ada/s-osinte-lynxos-3.ads b/gcc/ada/s-osinte-lynxos-3.ads
index dadf884..8098a8f 100644 (file)
--- a/gcc/ada/s-osinte-lynxos-3.ads
+++ b/gcc/ada/s-osinte-lynxos-3.ads
@@ -7,7 +7,7 @@
 --                                  S p e c                                 --
 --                                                                          --
 --             Copyright (C) 1991-1994, Florida State University            --
---             Copyright (C) 1995-2005, 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- --
@@ -35,13 +35,14 @@
 --  This is a LynxOS (Native) version of this package
 
 --  This package encapsulates all direct interfaces to OS services
---  that are needed by children of System.
+--  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
    pragma Preelaborate;
@@ -174,7 +175,7 @@ package System.OS_Interface is
    ----------
 
    Time_Slice_Supported : constant Boolean := True;
-   --  Indicates wether time slicing is supported
+   --  Indicates whether time slicing is supported
 
    type timespec is private;
 
@@ -201,16 +202,6 @@ package System.OS_Interface is
    pragma Convention (C, struct_timezone);
    type struct_timezone_ptr is access all struct_timezone;
 
-   type struct_timeval is private;
-   --  This is needed on systems that do not have clock_gettime()
-   --  but do have gettimeofday().
-
-   function To_Duration (TV : struct_timeval) return Duration;
-   pragma Inline (To_Duration);
-
-   function To_Timeval (D : Duration) return struct_timeval;
-   pragma Inline (To_Timeval);
-
    -------------------------
    -- Priority Scheduling --
    -------------------------
@@ -219,6 +210,10 @@ package System.OS_Interface is
    SCHED_RR    : constant := 16#00100000#;
    SCHED_OTHER : constant := 16#00400000#;
 
+   function To_Target_Priority
+     (Prio : System.Any_Priority) return Interfaces.C.int;
+   --  Maps System.Any_Priority to a POSIX priority
+
    -------------
    -- Process --
    -------------
@@ -247,9 +242,10 @@ package System.OS_Interface is
 
    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;
@@ -264,12 +260,18 @@ package System.OS_Interface is
 
    PTHREAD_CREATE_DETACHED : constant := 0;
 
+   PTHREAD_SCOPE_PROCESS : constant := 0;
+   PTHREAD_SCOPE_SYSTEM  : constant := 1;
+
    -----------
    -- Stack --
    -----------
 
+   Alternate_Stack_Size : constant := 0;
+   --  No alternate signal stack is used on this platform
+
    Stack_Base_Available : constant Boolean := False;
-   --  Indicates wether the stack base is available on this target.
+   --  Indicates whether the stack base is available on this target
 
    function Get_Stack_Base (thread : pthread_t) return Address;
    pragma Inline (Get_Stack_Base);
@@ -308,12 +310,10 @@ package System.OS_Interface is
    function pthread_kill (thread : pthread_t; sig : Signal) return int;
    pragma Import (C, pthread_kill, "pthread_kill");
 
-   type sigset_t_ptr is access all sigset_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, "sigprocmask");
 
    --------------------------
@@ -383,7 +383,7 @@ package System.OS_Interface is
       mutex   : access pthread_mutex_t;
       reltime : access timespec) return int;
    pragma Inline (pthread_cond_timedwait);
-   --  LynxOS has a nonstandard pthrad_cond_timedwait
+   --  LynxOS has a nonstandard pthread_cond_timedwait
 
    Relative_Timed_Wait : constant Boolean := True;
    --  pthread_cond_timedwait requires a relative delay time
@@ -489,6 +489,7 @@ package System.OS_Interface is
    --  LynxOS has a non standard 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;
@@ -520,12 +521,6 @@ private
    type clockid_t is new unsigned_char;
    CLOCK_REALTIME : constant clockid_t := 0;
 
-   type struct_timeval is record
-      tv_sec  : time_t;
-      tv_usec : time_t;
-   end record;
-   pragma Convention (C, struct_timeval);
-
    type st_t is record
       stksize      : int;
       prio         : int;