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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#include <salhelper/condition.hxx>
#include <osl/time.h>
using namespace salhelper;
/******************************************************************
* *
* Condition *
* *
******************************************************************/
Condition::Condition(osl::Mutex& aMutex)
: m_aMutex(aMutex),
m_aCondition(osl_createCondition())
{
}
Condition::~Condition()
{
osl_destroyCondition(m_aCondition);
}
/******************************************************************
* *
* ConditionModifier *
* *
******************************************************************/
ConditionModifier::ConditionModifier(Condition& aCond)
: m_aCond(aCond)
{
m_aCond.m_aMutex.acquire();
}
ConditionModifier::~ConditionModifier()
{
if(m_aCond.applies())
osl_setCondition(m_aCond.m_aCondition);
m_aCond.m_aMutex.release();
}
/******************************************************************
* *
* ConditionWaiter *
* *
******************************************************************/
ConditionWaiter::timedout::timedout() {}
ConditionWaiter::timedout::timedout(timedout const &) {}
ConditionWaiter::timedout::~timedout() {}
ConditionWaiter::timedout &
ConditionWaiter::timedout::operator =(timedout const &) { return *this; }
ConditionWaiter::ConditionWaiter(Condition& aCond)
: m_aCond(aCond)
{
while(true) {
osl_waitCondition(m_aCond.m_aCondition,0);
m_aCond.m_aMutex.acquire();
if(m_aCond.applies())
break;
else {
osl_resetCondition(m_aCond.m_aCondition);
m_aCond.m_aMutex.release();
}
}
}
ConditionWaiter::ConditionWaiter(Condition& aCond,sal_uInt32 milliSec)
throw(
ConditionWaiter::timedout
)
: m_aCond(aCond)
{
TimeValue aTime;
aTime.Seconds = milliSec / 1000;
aTime.Nanosec = 1000000 * ( milliSec % 1000 );
while(true) {
if( osl_waitCondition(m_aCond.m_aCondition,&aTime) ==
osl_cond_result_timeout )
throw timedout();
m_aCond.m_aMutex.acquire();
if(m_aCond.applies())
break;
else {
osl_resetCondition(m_aCond.m_aCondition);
m_aCond.m_aMutex.release();
}
}
}
ConditionWaiter::~ConditionWaiter()
{
if(! m_aCond.applies())
osl_resetCondition(m_aCond.m_aCondition);
m_aCond.m_aMutex.release();
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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