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Diffstat (limited to 'gcc-4.7/gcc/ada/a-synbar.adb')
-rw-r--r-- | gcc-4.7/gcc/ada/a-synbar.adb | 78 |
1 files changed, 0 insertions, 78 deletions
diff --git a/gcc-4.7/gcc/ada/a-synbar.adb b/gcc-4.7/gcc/ada/a-synbar.adb deleted file mode 100644 index 33bb3e478..000000000 --- a/gcc-4.7/gcc/ada/a-synbar.adb +++ /dev/null @@ -1,78 +0,0 @@ ------------------------------------------------------------------------------- --- -- --- GNAT RUN-TIME COMPONENTS -- --- -- --- A D A . S Y N C H R O N O U S _ B A R R I E R S -- --- -- --- B o d y -- --- -- --- Copyright (C) 1992-2011, Free Software Foundation, Inc. -- --- -- --- This specification is derived from the Ada Reference Manual for use with -- --- GNAT. The copyright notice above, and the license provisions that follow -- --- apply solely to the contents of the part following the private keyword. -- --- -- --- 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. -- --- -- ------------------------------------------------------------------------------- - -package body Ada.Synchronous_Barriers is - - protected body Synchronous_Barrier is - - -- The condition "Wait'Count = Release_Threshold" opens the barrier when - -- the required number of tasks is reached. The condition "Keep_Open" - -- leaves the barrier open while there are queued tasks. While there are - -- tasks in the queue no new task will be queued (no new protected - -- action can be started on a protected object while another protected - -- action on the same protected object is underway, RM 9.5.1 (4)), - -- guaranteeing that the barrier will remain open only for those tasks - -- already inside the queue when the barrier was open. - - entry Wait (Notified : out Boolean) - when Keep_Open or else Wait'Count = Release_Threshold - is - begin - -- If we are executing the entry it means that the required number of - -- tasks have been queued in the entry. Keep_Open barrier will remain - -- true until all queued tasks are out. - - Keep_Open := Wait'Count > 0; - - -- The last released task will close the barrier and get the Notified - -- token. - - Notified := Wait'Count = 0; - end Wait; - end Synchronous_Barrier; - - ---------------------- - -- Wait_For_Release -- - ---------------------- - - procedure Wait_For_Release - (The_Barrier : in out Synchronous_Barrier; - Notified : out Boolean) - is - begin - The_Barrier.Wait (Notified); - end Wait_For_Release; - -end Ada.Synchronous_Barriers; |