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------------------------------------------------------------------------------
-- --
-- GNAT RUN-TIME COMPONENTS --
-- --
-- System.Atomic_Operations.Exchange --
-- --
-- S p e c --
-- --
-- Copyright (C) 2019-2022, 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. --
-- --
------------------------------------------------------------------------------
generic
type Atomic_Type is private with Atomic;
package System.Atomic_Operations.Exchange
with Pure
is
function Atomic_Exchange
(Item : aliased in out Atomic_Type;
Value : Atomic_Type) return Atomic_Type with Convention => Intrinsic;
function Atomic_Compare_And_Exchange
(Item : aliased in out Atomic_Type;
Prior : aliased in out Atomic_Type;
Desired : Atomic_Type) return Boolean with Convention => Intrinsic;
function Is_Lock_Free
(Item : aliased Atomic_Type) return Boolean with Convention => Intrinsic;
private
pragma Inline_Always (Atomic_Exchange);
pragma Inline_Always (Atomic_Compare_And_Exchange);
pragma Inline_Always (Is_Lock_Free);
end System.Atomic_Operations.Exchange;
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