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Diffstat (limited to 'vos/source/thread.cxx')
| -rw-r--r-- | vos/source/thread.cxx | 240 |
1 files changed, 240 insertions, 0 deletions
diff --git a/vos/source/thread.cxx b/vos/source/thread.cxx new file mode 100644 index 000000000000..94cdfbdf970b --- /dev/null +++ b/vos/source/thread.cxx @@ -0,0 +1,240 @@ +/************************************************************************* + * + * 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 <osl/time.h> +#include <vos/diagnose.hxx> +#include <vos/object.hxx> +#include <vos/thread.hxx> + +using namespace vos; + +void vos::threadWorkerFunction_impl(void * pthis) +{ + vos::OThread* pThis= (vos::OThread*)pthis; + + // call Handler-Function of OThread-derived class + pThis->run(); + + // if not already terminating, by a kill do normal shutdown + if (! pThis->m_bTerminating) + { + pThis->m_bTerminating = sal_True; + + pThis->onTerminated(); // could e.g. delete this + } +} + +///////////////////////////////////////////////////////////////////////////// +// +// Thread class +// + +VOS_IMPLEMENT_CLASSINFO(VOS_CLASSNAME(OThread, vos), + VOS_NAMESPACE(OThread, vos), + VOS_NAMESPACE(OObject, vos), 0); + +OThread::OThread() +{ + m_hThread = 0; + m_bTerminating = sal_False; + m_aCondition = osl_createCondition(); +} + +OThread::~OThread() +{ + if (m_hThread != 0) + { + osl_destroyThread(m_hThread); + } + + osl_destroyCondition( m_aCondition ); +} + +sal_Bool OThread::create() +{ + VOS_ASSERT(m_hThread == 0); // only one running thread per instance + + m_hThread = osl_createSuspendedThread( + threadWorkerFunction_impl, (void*)this); + if (m_hThread) + osl_resumeThread(m_hThread); + + return m_hThread != 0; +} + +sal_Bool OThread::createSuspended() +{ + VOS_ASSERT(m_hThread == 0); // only one running thread per instance + + m_hThread= osl_createSuspendedThread(threadWorkerFunction_impl, (void*)this); + return m_hThread != 0; +} + +void OThread::suspend() +{ + VOS_ASSERT(m_hThread != 0); // use only on running thread + + osl_suspendThread(m_hThread); +} + +void OThread::resume() +{ + VOS_ASSERT(m_hThread != 0); // use only on running thread + + osl_resumeThread(m_hThread); +} + +sal_Bool OThread::isRunning() +{ + return m_hThread != 0 && osl_isThreadRunning(m_hThread); +} + +OThread::TThreadIdentifier OThread::getIdentifier() const +{ + return (TThreadIdentifier)osl_getThreadIdentifier(m_hThread); +} + +OThread::TThreadIdentifier OThread::getCurrentIdentifier() +{ + return (TThreadIdentifier)osl_getThreadIdentifier(0); +} + +void OThread::join() +{ + if (m_hThread) { + VOS_ASSERT(getCurrentIdentifier() != getIdentifier()); + osl_joinWithThread(m_hThread); + } +} + +OThread::TThreadSleep OThread::sleep(const TimeValue& Delay) +{ + TThreadSleep eRet; + + switch( osl_waitCondition( m_aCondition, &Delay ) ) + { + case osl_cond_result_ok: + eRet = TSleep_Normal; + break; + + case osl_cond_result_timeout: + eRet = TSleep_Cancel; + break; + + default: + eRet = TSleep_Error; + break; + } + + return eRet; +} + +void OThread::wait(const TimeValue& Delay) { + osl_waitThread(&Delay); +} + +sal_Bool OThread::awake() +{ + osl_setCondition( m_aCondition ); + return osl_resetCondition( m_aCondition ); +} + +void OThread::terminate() +{ + osl_terminateThread(m_hThread); +} + +sal_Bool OThread::schedule() { + return osl_scheduleThread(m_hThread); +} + +void OThread::kill() +{ + if (osl_isThreadRunning(m_hThread)) + { + // flag we are shutting down + m_bTerminating = sal_True; + + terminate(); + join(); + } +} + +void OThread::setPriority(OThread::TThreadPriority Priority) +{ + osl_setThreadPriority(m_hThread, (oslThreadPriority)Priority); +} + +OThread::TThreadPriority OThread::getPriority() +{ + return (TThreadPriority)osl_getThreadPriority(m_hThread); +} + + +void OThread::yield() +{ + osl_yieldThread(); +} + +void OThread::onTerminated() +{ +} + +///////////////////////////////////////////////////////////////////////////// +// +// ThreadData class +// + +VOS_IMPLEMENT_CLASSINFO(VOS_CLASSNAME(OThreadData, vos), + VOS_NAMESPACE(OThreadData, vos), + VOS_NAMESPACE(OObject, vos), 0); + +OThreadData::OThreadData( oslThreadKeyCallbackFunction pCallback ) +{ + m_hKey = osl_createThreadKey( pCallback ); + VOS_VERIFY(m_hKey); +} + +OThreadData::~OThreadData() +{ + osl_destroyThreadKey(m_hKey); +} + +sal_Bool OThreadData::setData(void *pData) +{ + VOS_ASSERT(m_hKey != 0); + + return (osl_setThreadKeyData(m_hKey, pData)); +} + +void *OThreadData::getData() +{ + VOS_ASSERT(m_hKey != 0); + + return (osl_getThreadKeyData(m_hKey)); +} + |