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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: thread.hxx,v $
* $Revision: 1.11 $
*
* 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.
*
************************************************************************/
#ifndef _THREAD_HXX_
#define _THREAD_HXX_
#ifdef __cplusplus
#include <osl/time.h>
#include <osl/diagnose.h>
#include <osl/thread.h>
#include <rtl/alloc.h>
namespace osl
{
/** threadFunc is the function which is executed by the threads
created by the osl::Thread class. The function's signature
matches the one of oslWorkerFunction which is declared in
osl/thread.h .
*/
extern "C" inline void SAL_CALL threadFunc( void* param);
class Thread
{
Thread( const Thread& );
Thread& operator= ( const Thread& );
public:
// these are here to force memory de/allocation to sal lib.
inline static void * SAL_CALL operator new( size_t nSize ) SAL_THROW (())
{ return ::rtl_allocateMemory( nSize ); }
inline static void SAL_CALL operator delete( void * pMem ) SAL_THROW (())
{ ::rtl_freeMemory( pMem ); }
inline static void * SAL_CALL operator new( size_t, void * pMem ) SAL_THROW (())
{ return pMem; }
inline static void SAL_CALL operator delete( void *, void * ) SAL_THROW (())
{}
Thread(): m_hThread(0){}
virtual ~Thread()
{
osl_destroyThread( m_hThread);
}
sal_Bool SAL_CALL create()
{
OSL_ASSERT(m_hThread == 0); // only one running thread per instance
if (m_hThread)
return sal_False;
m_hThread = osl_createSuspendedThread( threadFunc, (void*)this);
if ( m_hThread )
osl_resumeThread(m_hThread);
return m_hThread != 0;
}
sal_Bool SAL_CALL createSuspended()
{
OSL_ASSERT(m_hThread == 0); // only one running thread per instance
if( m_hThread)
return sal_False;
m_hThread= osl_createSuspendedThread( threadFunc,
(void*)this);
return m_hThread != 0;
}
virtual void SAL_CALL suspend()
{
if( m_hThread )
osl_suspendThread(m_hThread);
}
virtual void SAL_CALL resume()
{
if( m_hThread )
osl_resumeThread(m_hThread);
}
virtual void SAL_CALL terminate()
{
if( m_hThread )
osl_terminateThread(m_hThread);
}
virtual void SAL_CALL join()
{
osl_joinWithThread(m_hThread);
}
sal_Bool SAL_CALL isRunning() const
{
return osl_isThreadRunning(m_hThread);
}
void SAL_CALL setPriority( oslThreadPriority Priority)
{
if( m_hThread )
osl_setThreadPriority(m_hThread, Priority);
}
oslThreadPriority SAL_CALL getPriority() const
{
return m_hThread ? osl_getThreadPriority(m_hThread) : osl_Thread_PriorityUnknown;
}
oslThreadIdentifier SAL_CALL getIdentifier() const
{
return osl_getThreadIdentifier(m_hThread);
}
static oslThreadIdentifier SAL_CALL getCurrentIdentifier()
{
return osl_getThreadIdentifier(0);
}
static void SAL_CALL wait(const TimeValue& Delay)
{
osl_waitThread(&Delay);
}
static void SAL_CALL yield()
{
osl_yieldThread();
}
virtual sal_Bool SAL_CALL schedule()
{
return m_hThread ? osl_scheduleThread(m_hThread) : sal_False;
}
SAL_CALL operator oslThread() const
{
return m_hThread;
}
protected:
/** The thread functions calls the protected functions
run and onTerminated.
*/
friend void SAL_CALL threadFunc( void* param);
virtual void SAL_CALL run() = 0;
virtual void SAL_CALL onTerminated()
{
}
private:
oslThread m_hThread;
};
extern "C" inline void SAL_CALL threadFunc( void* param)
{
Thread* pObj= (Thread*)param;
pObj->run();
pObj->onTerminated();
}
class ThreadData
{
ThreadData( const ThreadData& );
ThreadData& operator= (const ThreadData& );
public:
/// Create a thread specific local data key
ThreadData( oslThreadKeyCallbackFunction pCallback= 0 )
{
m_hKey = osl_createThreadKey( pCallback );
}
/// Destroy a thread specific local data key
~ThreadData()
{
osl_destroyThreadKey(m_hKey);
}
/** Set the data associated with the data key.
@returns True if operation was successfull
*/
sal_Bool SAL_CALL setData(void *pData)
{
return (osl_setThreadKeyData(m_hKey, pData));
}
/** Get the data associated with the data key.
@returns The data asscoitaed with the data key or
NULL if no data was set
*/
void* SAL_CALL getData()
{
return osl_getThreadKeyData(m_hKey);
}
operator oslThreadKey() const
{
return m_hKey;
}
private:
oslThreadKey m_hKey;
};
} // end namespace osl
#endif
#endif
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