55 lines
3.2 KiB
Ada
55 lines
3.2 KiB
Ada
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------------------------------------------------------------------------------
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-- --
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-- GNAT RUN-TIME COMPONENTS --
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-- --
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-- A D A . S Y N C H R O N O U S _ B A R R I E R S --
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-- --
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-- S p e c --
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-- --
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-- Copyright (C) 1992-2020, Free Software Foundation, Inc. --
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-- --
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-- This specification is derived from the Ada Reference Manual for use with --
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-- GNAT. The copyright notice above, and the license provisions that follow --
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-- apply solely to the contents of the part following the private keyword. --
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-- --
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-- GNAT is free software; you can redistribute it and/or modify it under --
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-- terms of the GNU General Public License as published by the Free Soft- --
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-- ware Foundation; either version 3, or (at your option) any later ver- --
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-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
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-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
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-- or FITNESS FOR A PARTICULAR PURPOSE. --
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-- --
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-- As a special exception under Section 7 of GPL version 3, you are granted --
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-- additional permissions described in the GCC Runtime Library Exception, --
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-- version 3.1, as published by the Free Software Foundation. --
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-- --
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-- You should have received a copy of the GNU General Public License and --
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-- a copy of the GCC Runtime Library Exception along with this program; --
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-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
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-- <http://www.gnu.org/licenses/>. --
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-- --
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-- GNAT was originally developed by the GNAT team at New York University. --
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-- Extensive contributions were provided by Ada Core Technologies Inc. --
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-- --
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------------------------------------------------------------------------------
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package Ada.Synchronous_Barriers with SPARK_Mode => Off is
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pragma Preelaborate (Synchronous_Barriers);
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subtype Barrier_Limit is Positive range 1 .. Positive'Last;
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type Synchronous_Barrier (Release_Threshold : Barrier_Limit) is
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limited private;
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procedure Wait_For_Release
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(The_Barrier : in out Synchronous_Barrier;
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Notified : out Boolean);
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private
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protected type Synchronous_Barrier (Release_Threshold : Barrier_Limit) is
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entry Wait (Notified : out Boolean);
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private
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Keep_Open : Boolean := False;
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end Synchronous_Barrier;
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end Ada.Synchronous_Barriers;
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