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diff --git a/gcc-4.4.3/gcc/ada/s-tporft.adb b/gcc-4.4.3/gcc/ada/s-tporft.adb
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-------------------------------------------------------------------------------
--- --
--- GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS --
--- --
--- SYSTEM.TASK_PRIMITIVES.OPERATIONS.REGISTER_FOREIGN_THREAD --
--- --
--- B o d y --
--- --
--- Copyright (C) 2002-2009, 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. --
--- --
-------------------------------------------------------------------------------
-
-with System.Task_Info;
--- Use for Unspecified_Task_Info
-
-with System.Soft_Links;
--- used to initialize TSD for a C thread, in function Self
-
-separate (System.Task_Primitives.Operations)
-function Register_Foreign_Thread (Thread : Thread_Id) return Task_Id is
- Local_ATCB : aliased Ada_Task_Control_Block (0);
- Self_Id : Task_Id;
- Succeeded : Boolean;
-
-begin
- -- This section is tricky. We must not call anything that might require
- -- an ATCB, until the new ATCB is in place. In order to get an ATCB
- -- immediately, we fake one, so that it is then possible to e.g allocate
- -- memory (which might require accessing self).
-
- -- Record this as the Task_Id for the thread
-
- Local_ATCB.Common.LL.Thread := Thread;
- Local_ATCB.Common.Current_Priority := System.Priority'First;
- Specific.Set (Local_ATCB'Unchecked_Access);
-
- -- It is now safe to use an allocator
-
- Self_Id := new Ada_Task_Control_Block (0);
-
- -- Finish initialization
-
- Lock_RTS;
- System.Tasking.Initialize_ATCB
- (Self_Id, null, Null_Address, Null_Task,
- Foreign_Task_Elaborated'Access,
- System.Priority'First, Task_Info.Unspecified_Task_Info, 0, Self_Id,
- Succeeded);
- Unlock_RTS;
- pragma Assert (Succeeded);
-
- Self_Id.Master_of_Task := 0;
- Self_Id.Master_Within := Self_Id.Master_of_Task + 1;
-
- for L in Self_Id.Entry_Calls'Range loop
- Self_Id.Entry_Calls (L).Self := Self_Id;
- Self_Id.Entry_Calls (L).Level := L;
- end loop;
-
- Self_Id.Common.State := Runnable;
- Self_Id.Awake_Count := 1;
-
- Self_Id.Common.Task_Image (1 .. 14) := "foreign thread";
- Self_Id.Common.Task_Image_Len := 14;
-
- -- Since this is not an ordinary Ada task, we will start out undeferred
-
- Self_Id.Deferral_Level := 0;
-
- System.Soft_Links.Create_TSD (Self_Id.Common.Compiler_Data);
-
- -- ???
- -- The following call is commented out to avoid dependence on
- -- the System.Tasking.Initialization package.
- -- It seems that if we want Ada.Task_Attributes to work correctly
- -- for C threads we will need to raise the visibility of this soft
- -- link to System.Soft_Links.
- -- We are putting that off until this new functionality is otherwise
- -- stable.
-
- -- System.Tasking.Initialization.Initialize_Attributes_Link.all (T);
-
- Enter_Task (Self_Id);
-
- return Self_Id;
-end Register_Foreign_Thread;