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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [ada/] [s-tpoaal.adb] - Rev 724
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------------------------------------------------------------------------------ -- -- -- GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS -- -- -- -- SYSTEM.TASK_PRIMITIVES.OPERATIONS.ATCB_ALLOCATION -- -- -- -- B o d y -- -- -- -- Copyright (C) 2011, 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 Ada.Unchecked_Deallocation; separate (System.Task_Primitives.Operations) package body ATCB_Allocation is --------------- -- Free_ATCB -- --------------- procedure Free_ATCB (T : Task_Id) is Tmp : Task_Id := T; Is_Self : constant Boolean := T = Self; procedure Free is new Ada.Unchecked_Deallocation (Ada_Task_Control_Block, Task_Id); begin if Is_Self then declare Local_ATCB : aliased Ada_Task_Control_Block (0); -- Create a dummy ATCB and initialize it minimally so that "Free" -- can still call Self and Defer/Undefer_Abort after Tmp is freed -- by the underlying memory management library. begin Local_ATCB.Common.LL.Thread := T.Common.LL.Thread; Local_ATCB.Common.Current_Priority := T.Common.Current_Priority; Specific.Set (Local_ATCB'Unchecked_Access); Free (Tmp); -- Note: it is assumed here that for all platforms, Specific.Set -- deletes the task specific information if passed a null value. Specific.Set (null); end; else Free (Tmp); end if; end Free_ATCB; -------------- -- New_ATCB -- -------------- function New_ATCB (Entry_Num : Task_Entry_Index) return Task_Id is begin return new Ada_Task_Control_Block (Entry_Num); end New_ATCB; end ATCB_Allocation;
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