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Diffstat (limited to 'salhelper/source/condition.cxx')
-rw-r--r-- | salhelper/source/condition.cxx | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/salhelper/source/condition.cxx b/salhelper/source/condition.cxx new file mode 100644 index 000000000000..42e0676fbb96 --- /dev/null +++ b/salhelper/source/condition.cxx @@ -0,0 +1,145 @@ +/* -*- 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: */ |