[multiple changes]

2009-04-10  Robert Dewar  <dewar@adacore.com>

	* make.adb: Add comment.
	Minor reformatting

2009-04-10  Nicolas Setton  <setton@adacore.com>

	* s-osprim-darwin.adb: New file.

	* s-osinte-darwin.adb, s-osinte-darwin.ads: Fix binding to timespec.

2009-04-10  Thomas Quinot  <quinot@adacore.com>

	* g-socket.ads: Add comment clarifying alignment requirement for Fd_Set

From-SVN: r145880

gcc/ada/ChangeLog

+2009-04-10  Robert Dewar  <dewar@adacore.com>
+
+	* make.adb: Add comment.
+	Minor reformatting
+
+2009-04-10  Nicolas Setton  <setton@adacore.com>
+
+	* s-osprim-darwin.adb: New file.
+
+	* s-osinte-darwin.adb, s-osinte-darwin.ads: Fix binding to timespec.
+
+2009-04-10  Thomas Quinot  <quinot@adacore.com>
+
+	* g-socket.ads: Add comment clarifying alignment requirement for Fd_Set
+
 2009-04-09  Nick Clifton  <nickc@redhat.com>
 
 	* adadecode.h: Change copyright header to refer to version

gcc/ada/g-socket.ads

@@ -1096,6 +1096,9 @@ private
    type Fd_Set is
      new System.Storage_Elements.Storage_Array (1 .. SOSC.SIZEOF_fd_set);
    for Fd_Set'Alignment use Interfaces.C.long'Alignment;
+   --  Set conservative alignment so that our Fd_Sets are always adequately
+   --  aligned for the underlying data type (which is implementation defined
+   --  and may be an array of C long integers).
 
    type Fd_Set_Access is access all Fd_Set;
    pragma Convention (C, Fd_Set_Access);

gcc/ada/make.adb

@@ -6451,6 +6451,13 @@ package body Make is
                      then
                         Skip := True;
 
+                     --  Here we capture and duplicate the linker argument. We
+                     --  need to do the duplication since the arguments will
+                     --  get normalized. Not doing so will result in calling
+                     --  normalized two times for the same set of arguments if
+                     --  gnatmake is passed multiple mains. This can result in
+                     --  the wrong argument being passed to the linker.
+
                      else
                         Last_Arg := Last_Arg + 1;
                         Args (Last_Arg) :=

gcc/ada/s-osinte-darwin.adb

@@ -85,7 +85,7 @@ package body System.OS_Interface is
       end if;
 
       return timespec'(tv_sec => S,
-        tv_nsec => int32_t (Long_Long_Integer (F * 10#1#E9)));
+        tv_nsec => long (Long_Long_Integer (F * 10#1#E9)));
    end To_Timespec;
 
    ----------------

gcc/ada/s-osinte-darwin.ads

@@ -517,7 +517,7 @@ private
 
    type timespec is record
       tv_sec  : time_t;
-      tv_nsec : int32_t;
+      tv_nsec : long;
    end record;
    pragma Convention (C, timespec);
 
@@ -565,8 +565,6 @@ private
    --
    type pthread_t is new System.Address;
 
-   type pthread_lock_t is new long;
-
    type pthread_attr_t is record
       sig    : long;
       opaque : padding (1 .. System.OS_Constants.PTHREAD_ATTR_SIZE);

gcc/ada/s-osprim-darwin.adb

+------------------------------------------------------------------------------
+--                                                                          --
+--                 GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS                 --
+--                                                                          --
+--                  S Y S T E M . O S _ P R I M I T I V E S                 --
+--                                                                          --
+--                                  B o d y                                 --
+--                                                                          --
+--          Copyright (C) 1998-2008, 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- --
+-- ware  Foundation;  either version 3,  or (at your option) any later ver- --
+-- sion.  GNAT 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.                                     --
+--                                                                          --
+-- As a special exception under Section 7 of GPL version 3, you are granted --
+-- additional permissions described in the GCC Runtime Library Exception,   --
+-- version 3.1, as published by the Free Software Foundation.               --
+--                                                                          --
+-- You should have received a copy of the GNU General Public License and    --
+-- a copy of the GCC Runtime Library Exception along with this program;     --
+-- see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    --
+-- <http://www.gnu.org/licenses/>.                                          --
+--                                                                          --
+-- GNARL was developed by the GNARL team at Florida State University.       --
+-- Extensive contributions were provided by Ada Core Technologies, Inc.     --
+--                                                                          --
+------------------------------------------------------------------------------
+
+--  This version is for darwin
+
+package body System.OS_Primitives is
+
+   --  ??? These definitions are duplicated from System.OS_Interface
+   --  because we don't want to depend on any package. Consider removing
+   --  these declarations in System.OS_Interface and move these ones in
+   --  the spec.
+
+   type struct_timezone is record
+      tz_minuteswest  : Integer;
+      tz_dsttime   : Integer;
+   end record;
+   pragma Convention (C, struct_timezone);
+   type struct_timezone_ptr is access all struct_timezone;
+
+   type time_t is new Long_Integer;
+
+   type struct_timeval is record
+      tv_sec       : time_t;
+      tv_usec      : Integer;
+   end record;
+   pragma Convention (C, struct_timeval);
+
+   function gettimeofday
+     (tv : not null access struct_timeval;
+      tz : struct_timezone_ptr) return Integer;
+   pragma Import (C, gettimeofday, "gettimeofday");
+
+   type timespec is record
+      tv_sec  : time_t;
+      tv_nsec : Long_Integer;
+   end record;
+   pragma Convention (C, timespec);
+
+   function nanosleep (rqtp, rmtp : not null access timespec) return Integer;
+   pragma Import (C, nanosleep, "nanosleep");
+
+   -----------
+   -- Clock --
+   -----------
+
+   function Clock return Duration is
+      TV     : aliased struct_timeval;
+
+      Result : Integer;
+      pragma Unreferenced (Result);
+
+   begin
+      Result := gettimeofday (TV'Access, null);
+      return Duration (TV.tv_sec) + Duration (TV.tv_usec) / 10#1#E6;
+   end Clock;
+
+   ---------------------
+   -- Monotonic_Clock --
+   ---------------------
+
+   function Monotonic_Clock return Duration renames Clock;
+
+   -----------------
+   -- To_Timespec --
+   -----------------
+
+   function To_Timespec (D : Duration) return timespec;
+
+   function To_Timespec (D : Duration) return timespec is
+      S : time_t;
+      F : Duration;
+
+   begin
+      S := time_t (Long_Long_Integer (D));
+      F := D - Duration (S);
+
+      --  If F has negative value due to a round-up, adjust for positive F
+      --  value.
+
+      if F < 0.0 then
+         S := S - 1;
+         F := F + 1.0;
+      end if;
+
+      return
+        timespec'(tv_sec  => S,
+                  tv_nsec => Long_Integer (Long_Long_Integer (F * 10#1#E9)));
+   end To_Timespec;
+
+   -----------------
+   -- Timed_Delay --
+   -----------------
+
+   procedure Timed_Delay
+     (Time : Duration;
+      Mode : Integer)
+   is
+      Request    : aliased timespec;
+      Remaind    : aliased timespec;
+      Rel_Time   : Duration;
+      Abs_Time   : Duration;
+      Base_Time  : constant Duration := Clock;
+      Check_Time : Duration := Base_Time;
+
+      Result : Integer;
+      pragma Unreferenced (Result);
+
+   begin
+      if Mode = Relative then
+         Rel_Time := Time;
+         Abs_Time := Time + Check_Time;
+      else
+         Rel_Time := Time - Check_Time;
+         Abs_Time := Time;
+      end if;
+
+      if Rel_Time > 0.0 then
+         loop
+            Request := To_Timespec (Rel_Time);
+            Result := nanosleep (Request'Access, Remaind'Access);
+            Check_Time := Clock;
+
+            exit when Abs_Time <= Check_Time or else Check_Time < Base_Time;
+
+            Rel_Time := Abs_Time - Check_Time;
+         end loop;
+      end if;
+   end Timed_Delay;
+
+   ----------------
+   -- Initialize --
+   ----------------
+
+   procedure Initialize is
+   begin
+      null;
+   end Initialize;
+
+end System.OS_Primitives;