130 lines
3.6 KiB
C++
130 lines
3.6 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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#include <salhelper/condition.hxx>
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#include <osl/time.h>
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#include <osl/mutex.hxx>
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using namespace salhelper;
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/******************************************************************
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* *
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* Condition *
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* *
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******************************************************************/
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Condition::Condition(osl::Mutex& aMutex)
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: m_aMutex(aMutex)
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{
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}
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Condition::~Condition()
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{
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}
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/******************************************************************
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* *
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* ConditionModifier *
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* *
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******************************************************************/
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ConditionModifier::ConditionModifier(Condition& aCond)
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: m_aCond(aCond)
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{
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m_aCond.m_aMutex.acquire();
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}
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ConditionModifier::~ConditionModifier()
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{
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if(m_aCond.applies())
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m_aCond.m_aCondition.set();
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m_aCond.m_aMutex.release();
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}
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/******************************************************************
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* *
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* ConditionWaiter *
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* *
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******************************************************************/
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ConditionWaiter::timedout::timedout() {}
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ConditionWaiter::timedout::timedout(timedout const &) {}
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ConditionWaiter::timedout::~timedout() {}
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ConditionWaiter::timedout &
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ConditionWaiter::timedout::operator =(timedout const &) { return *this; }
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ConditionWaiter::ConditionWaiter(Condition& aCond)
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: m_aCond(aCond)
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{
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while(true) {
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m_aCond.m_aCondition.wait();
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m_aCond.m_aMutex.acquire();
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if(m_aCond.applies())
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break;
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else {
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m_aCond.m_aCondition.reset();
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m_aCond.m_aMutex.release();
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}
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}
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}
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ConditionWaiter::ConditionWaiter(Condition& aCond,sal_uInt32 milliSec)
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: m_aCond(aCond)
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{
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TimeValue aTime;
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aTime.Seconds = milliSec / 1000;
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aTime.Nanosec = 1000000 * ( milliSec % 1000 );
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while(true) {
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if( m_aCond.m_aCondition.wait(&aTime) ==
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osl::Condition::result_timeout )
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throw timedout();
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m_aCond.m_aMutex.acquire();
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if(m_aCond.applies())
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break;
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else {
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m_aCond.m_aCondition.reset();
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m_aCond.m_aMutex.release();
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}
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}
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}
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ConditionWaiter::~ConditionWaiter()
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{
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if(! m_aCond.applies())
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m_aCond.m_aCondition.reset();
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m_aCond.m_aMutex.release();
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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