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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <sal/config.h>
#include <assert.h>
#include <condition_variable>
#include <mutex>
#include <sal/log.hxx>
#include <sal/types.h>
#include <osl/conditn.h>
#include <osl/time.h>
namespace {
struct oslConditionImpl
{
std::condition_variable m_Condition;
std::mutex m_Lock;
bool m_State = false;
};
}
oslCondition SAL_CALL osl_createCondition()
{
oslConditionImpl* pCond = new oslConditionImpl;
SAL_INFO( "sal.osl.condition", "osl_createCondition(): " << pCond );
return static_cast<oslCondition>(pCond);
}
void SAL_CALL osl_destroyCondition(oslCondition Condition)
{
oslConditionImpl* pCond;
pCond = static_cast<oslConditionImpl*>(Condition);
SAL_INFO( "sal.osl.condition", "osl_destroyCondition(" << pCond << ")" );
if ( pCond )
delete pCond;
}
sal_Bool SAL_CALL osl_setCondition(oslCondition Condition)
{
oslConditionImpl* pCond;
assert(Condition);
pCond = static_cast<oslConditionImpl*>(Condition);
{
std::unique_lock g(pCond->m_Lock);
pCond->m_State = true;
pCond->m_Condition.notify_all();
}
SAL_INFO( "sal.osl.condition", "osl_setCondition(" << pCond << ")" );
return true;
}
sal_Bool SAL_CALL osl_resetCondition(oslCondition Condition)
{
oslConditionImpl* pCond;
assert(Condition);
pCond = static_cast<oslConditionImpl*>(Condition);
{
std::unique_lock g(pCond->m_Lock);
pCond->m_State = false;
}
SAL_INFO( "sal.osl.condition", "osl_resetCondition(" << pCond << ")" );
return true;
}
oslConditionResult SAL_CALL osl_waitCondition(oslCondition Condition, const TimeValue* pTimeout)
{
oslConditionImpl* pCond;
assert(Condition);
pCond = static_cast<oslConditionImpl*>(Condition);
SAL_INFO( "sal.osl.condition", "osl_waitCondition(" << pCond << ")" );
{
std::unique_lock g(pCond->m_Lock);
if ( pTimeout )
{
if ( ! pCond->m_State )
{
auto duration = std::chrono::seconds(pTimeout->Seconds)
+ std::chrono::nanoseconds(pTimeout->Nanosec);
if (!pCond->m_Condition.wait_for(g, duration, [&pCond](){return pCond->m_State;}))
return osl_cond_result_timeout;
}
}
else
{
pCond->m_Condition.wait(g, [&pCond](){return pCond->m_State;});
}
}
SAL_INFO( "sal.osl.condition", "osl_waitCondition(" << pCond << "): OK" );
return osl_cond_result_ok;
}
sal_Bool SAL_CALL osl_checkCondition(oslCondition Condition)
{
bool State;
oslConditionImpl* pCond;
assert(Condition);
pCond = static_cast<oslConditionImpl*>(Condition);
{
std::unique_lock g(pCond->m_Lock);
State = pCond->m_State;
}
SAL_INFO( "sal.osl.condition", "osl_checkCondition(" << pCond << "): " << (State ? "YES" : "NO") );
return State;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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