aboutsummaryrefslogtreecommitdiffstats
path: root/gcc-4.8/gcc/ada/a-synbar.adb
diff options
context:
space:
mode:
Diffstat (limited to 'gcc-4.8/gcc/ada/a-synbar.adb')
-rw-r--r--gcc-4.8/gcc/ada/a-synbar.adb78
1 files changed, 0 insertions, 78 deletions
diff --git a/gcc-4.8/gcc/ada/a-synbar.adb b/gcc-4.8/gcc/ada/a-synbar.adb
deleted file mode 100644
index 33bb3e478..000000000
--- a/gcc-4.8/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;