Check in gcc sources for prebuilt toolchains in Eclair.

1 files changed, 113 insertions, 0 deletions

diff --git a/gcc-4.2.1/gcc/ada/s-gloloc-mingw.adb b/gcc-4.2.1/gcc/ada/s-gloloc-mingw.adb
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+------------------------------------------------------------------------------
+--                                                                          --
+--                         GNAT COMPILER COMPONENTS                         --
+--                                                                          --
+--                  S Y S T E M . G L O B A L _ L O C K S                   --
+--                                                                          --
+--                                 B o d y                                  --
+--                                                                          --
+--                     Copyright (C) 1999-2006, AdaCore                     --
+--                                                                          --
+-- GNAT 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.  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.  See the GNU General Public License --
+-- for  more details.  You should have  received  a copy of the GNU General --
+-- Public License  distributed with GNAT;  see file COPYING.  If not, write --
+-- 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  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.                                      --
+--                                                                          --
+-- GNAT was originally developed  by the GNAT team at  New York University. --
+-- Extensive contributions were provided by Ada Core Technologies Inc.      --
+--                                                                          --
+------------------------------------------------------------------------------
+
+--  This implementation is specific to NT
+
+with GNAT.Task_Lock;
+
+with Interfaces.C.Strings;
+with System.OS_Interface;
+
+package body System.Global_Locks is
+
+   package TSL renames GNAT.Task_Lock;
+   package OSI renames System.OS_Interface;
+   package ICS renames Interfaces.C.Strings;
+
+   subtype Lock_File_Entry is OSI.HANDLE;
+
+   Last_Lock  : Lock_Type := Null_Lock;
+   Lock_Table : array (Lock_Type range 1 .. 15) of Lock_File_Entry;
+
+   -----------------
+   -- Create_Lock --
+   -----------------
+
+   procedure Create_Lock
+     (Lock : out Lock_Type;
+      Name : String)
+   is
+      L : Lock_Type;
+
+   begin
+      TSL.Lock;
+      Last_Lock := Last_Lock + 1;
+      L := Last_Lock;
+      TSL.Unlock;
+
+      if L > Lock_Table'Last then
+         raise Lock_Error;
+      end if;
+
+      Lock_Table (L) :=
+        OSI.CreateMutex (null, OSI.BOOL (False), ICS.New_String (Name));
+      Lock := L;
+   end Create_Lock;
+
+   ------------------
+   -- Acquire_Lock --
+   ------------------
+
+   procedure Acquire_Lock
+     (Lock : in out Lock_Type)
+   is
+      use type OSI.DWORD;
+
+      Res : OSI.DWORD;
+   begin
+      Res := OSI.WaitForSingleObject (Lock_Table (Lock), OSI.Wait_Infinite);
+
+      if Res = OSI.WAIT_FAILED then
+         raise Lock_Error;
+      end if;
+   end Acquire_Lock;
+
+   ------------------
+   -- Release_Lock --
+   ------------------
+
+   procedure Release_Lock
+     (Lock : in out Lock_Type)
+   is
+      use type OSI.BOOL;
+
+      Res : OSI.BOOL;
+   begin
+      Res := OSI.ReleaseMutex (Lock_Table (Lock));
+
+      if Res = OSI.False then
+         raise Lock_Error;
+      end if;
+   end Release_Lock;
+
+end System.Global_Locks;