Files
libreoffice/vcl/source/helper/threadex.cxx
2011-07-21 09:29:09 +01:00

91 lines
2.9 KiB
C++

/* -*- 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.
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_vcl.hxx"
#define THREADEX_IMPLEMENTATION
#include <vcl/threadex.hxx>
#include <vcl/svapp.hxx>
using namespace vcl;
SolarThreadExecutor::SolarThreadExecutor()
:m_nReturn( 0 )
,m_bTimeout( false )
{
m_aStart = osl_createCondition();
m_aFinish = osl_createCondition();
}
SolarThreadExecutor::~SolarThreadExecutor()
{
osl_destroyCondition( m_aStart );
osl_destroyCondition( m_aFinish );
}
IMPL_LINK( SolarThreadExecutor, worker, void*, EMPTYARG )
{
if ( !m_bTimeout )
{
osl_setCondition( m_aStart );
m_nReturn = doIt();
osl_setCondition( m_aFinish );
}
return m_nReturn;
}
long SolarThreadExecutor::impl_execute( const TimeValue* _pTimeout )
{
if( ::osl::Thread::getCurrentIdentifier() == Application::GetMainThreadIdentifier() )
{
osl_setCondition( m_aStart );
m_nReturn = doIt();
osl_setCondition( m_aFinish );
}
else
{
osl_resetCondition( m_aStart );
osl_resetCondition( m_aFinish );
sal_uLong nSolarMutexCount = Application::ReleaseSolarMutex();
sal_uLong nEvent = Application::PostUserEvent( LINK( this, SolarThreadExecutor, worker ) );
if ( osl_cond_result_timeout == osl_waitCondition( m_aStart, _pTimeout ) )
{
m_bTimeout = true;
Application::RemoveUserEvent( nEvent );
}
else
osl_waitCondition( m_aFinish, NULL );
if( nSolarMutexCount )
Application::AcquireSolarMutex( nSolarMutexCount );
}
return m_nReturn;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */