office-gobmx/salhelper/source/condition.cxx
Rüdiger Timm 0e3d669c5b INTEGRATION: CWS ooo19126 (1.3.10); FILE MERGED
2005/09/05 17:42:40 rt 1.3.10.1: #i54170# Change license header: remove SISSL
2005-09-08 16:00:47 +00:00

153 lines
4.3 KiB
C++

/*************************************************************************
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: condition.cxx,v $
*
* $Revision: 1.4 $
*
* last change: $Author: rt $ $Date: 2005-09-08 17:00:47 $
*
* The Contents of this file are made available subject to
* the terms of GNU Lesser General Public License Version 2.1.
*
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2005 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library 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 for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
************************************************************************/
#include <salhelper/condition.hxx>
#ifndef _OSL_TIME_H_
#include <osl/time.h>
#endif
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();
}