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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [ada/] [a-sytaco.adb] - Rev 714
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------------------------------------------------------------------------------ -- -- -- GNAT RUN-TIME COMPONENTS -- -- -- -- A D A . S Y N C H R O N O U S _ T A S K _ C O N T R O L -- -- -- -- B o d y -- -- -- -- Copyright (C) 1992-2009, Free Software Foundation, Inc. -- -- -- -- 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 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/>. -- -- -- -- GNAT was originally developed by the GNAT team at New York University. -- -- Extensive contributions were provided by Ada Core Technologies Inc. -- -- -- ------------------------------------------------------------------------------ with Ada.Exceptions; with System.Tasking; with System.Task_Primitives.Operations; package body Ada.Synchronous_Task_Control is ---------------- -- Initialize -- ---------------- procedure Initialize (S : in out Suspension_Object) is begin System.Task_Primitives.Operations.Initialize (S.SO); end Initialize; -------------- -- Finalize -- -------------- procedure Finalize (S : in out Suspension_Object) is begin System.Task_Primitives.Operations.Finalize (S.SO); end Finalize; ------------------- -- Current_State -- ------------------- function Current_State (S : Suspension_Object) return Boolean is begin return System.Task_Primitives.Operations.Current_State (S.SO); end Current_State; --------------- -- Set_False -- --------------- procedure Set_False (S : in out Suspension_Object) is begin System.Task_Primitives.Operations.Set_False (S.SO); end Set_False; -------------- -- Set_True -- -------------- procedure Set_True (S : in out Suspension_Object) is begin System.Task_Primitives.Operations.Set_True (S.SO); end Set_True; ------------------------ -- Suspend_Until_True -- ------------------------ procedure Suspend_Until_True (S : in out Suspension_Object) is begin -- This is a potentially blocking (see ARM D.10, par. 10), so that -- if pragma Detect_Blocking is active then Program_Error must be -- raised if this operation is called from a protected action. if System.Tasking.Detect_Blocking and then System.Tasking.Self.Common.Protected_Action_Nesting > 0 then Ada.Exceptions.Raise_Exception (Program_Error'Identity, "potentially blocking operation"); end if; System.Task_Primitives.Operations.Suspend_Until_True (S.SO); end Suspend_Until_True; end Ada.Synchronous_Task_Control;
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