76e11899e1
Change-Id: I09b1744c568b39c5b4160154536730962feb3a8c Reviewed-on: https://gerrit.libreoffice.org/c/core/+/156089 Tested-by: Jenkins Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com>
108 lines
2.9 KiB
C
108 lines
2.9 KiB
C
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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/*
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* This file is part of LibreOffice published API.
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*/
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#ifndef INCLUDED_OSL_INTERLCK_H
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#define INCLUDED_OSL_INTERLCK_H
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#include "sal/config.h"
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#include "sal/saldllapi.h"
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#include "sal/types.h"
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#if defined(_WIN32)
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#include <intrin.h>
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#endif
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#if defined LIBO_INTERNAL_ONLY
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#include "config_global.h"
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef sal_Int32 oslInterlockedCount;
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/** Increments the count variable addressed by pCount.
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@param pCount Address of count variable
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@return The adjusted value of the count variable.
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*/
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SAL_DLLPUBLIC oslInterlockedCount SAL_CALL osl_incrementInterlockedCount(oslInterlockedCount* pCount);
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/** Decrement the count variable addressed by pCount.
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@param pCount Address of count variable
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@return The adjusted value of the count variable.
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*/
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SAL_DLLPUBLIC oslInterlockedCount SAL_CALL osl_decrementInterlockedCount(oslInterlockedCount* pCount);
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/// @cond INTERNAL
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/** Increments the count variable addressed by p.
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@attention This functionality should only be used internally within
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LibreOffice.
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@param p Address of count variable
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@return The adjusted value of the count variable.
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@since LibreOffice 4.0
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*/
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#if HAVE_GCC_BUILTIN_ATOMIC
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# define osl_atomic_increment(p) __sync_add_and_fetch((p), 1)
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#elif defined _WIN32
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# define osl_atomic_increment(p) _InterlockedIncrement(p)
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#else
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# define osl_atomic_increment(p) osl_incrementInterlockedCount((p))
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#endif
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/** Decrement the count variable addressed by p.
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@attention This functionality should only be used internally within
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LibreOffice.
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@param p Address of count variable
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@return The adjusted value of the count variable.
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@since LibreOffice 4.0
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*/
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#if HAVE_GCC_BUILTIN_ATOMIC
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# define osl_atomic_decrement(p) __sync_sub_and_fetch((p), 1)
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#elif defined _WIN32
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# define osl_atomic_decrement(p) _InterlockedDecrement(p)
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#else
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# define osl_atomic_decrement(p) osl_decrementInterlockedCount((p))
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#endif
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/// @endcond
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#ifdef __cplusplus
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}
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#endif
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#endif // INCLUDED_OSL_INTERLCK_H
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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