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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: threadident.cxx,v $
* $Revision: 1.12 $
*
* 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_cppu.hxx"
#include <stdio.h>
#include <list>
#include <osl/mutex.hxx>
#include <osl/thread.h>
#include <osl/diagnose.h>
#include <rtl/process.h>
#include <rtl/byteseq.hxx>
#include <uno/threadpool.h>
#include "current.hxx"
using namespace ::std;
using namespace ::osl;
using namespace ::rtl;
using namespace ::cppu;
static inline void createLocalId( sal_Sequence **ppThreadId )
{
rtl_byte_sequence_constructNoDefault( ppThreadId , 4 + 16 );
*((sal_Int32*) ((*ppThreadId)->elements)) = osl_getThreadIdentifier(0);
rtl_getGlobalProcessId( (sal_uInt8 * ) &( (*ppThreadId)->elements[4]) );
}
extern "C" void SAL_CALL
uno_getIdOfCurrentThread( sal_Sequence **ppThreadId )
SAL_THROW_EXTERN_C()
{
IdContainer * p = getIdContainer();
if( ! p->bInit )
{
// first time, that the thread enters the bridge
createLocalId( ppThreadId );
// TODO
// note : this is a leak !
p->pLocalThreadId = *ppThreadId;
p->pCurrentId = *ppThreadId;
p->nRefCountOfCurrentId = 1;
rtl_byte_sequence_acquire( p->pLocalThreadId );
rtl_byte_sequence_acquire( p->pCurrentId );
p->bInit = sal_True;
}
else
{
p->nRefCountOfCurrentId ++;
if( *ppThreadId )
{
rtl_byte_sequence_release( *ppThreadId );
}
*ppThreadId = p->pCurrentId;
rtl_byte_sequence_acquire( *ppThreadId );
}
}
extern "C" void SAL_CALL uno_releaseIdFromCurrentThread()
SAL_THROW_EXTERN_C()
{
IdContainer *p = getIdContainer();
OSL_ASSERT( p );
OSL_ASSERT( p->nRefCountOfCurrentId );
p->nRefCountOfCurrentId --;
if( ! p->nRefCountOfCurrentId && (p->pLocalThreadId != p->pCurrentId) )
{
rtl_byte_sequence_assign( &(p->pCurrentId) , p->pLocalThreadId );
}
}
extern "C" sal_Bool SAL_CALL uno_bindIdToCurrentThread( sal_Sequence *pThreadId )
SAL_THROW_EXTERN_C()
{
IdContainer *p = getIdContainer();
if( ! p->bInit )
{
p->pLocalThreadId = 0;
createLocalId( &(p->pLocalThreadId) );
p->nRefCountOfCurrentId = 1;
p->pCurrentId = pThreadId;
rtl_byte_sequence_acquire( p->pCurrentId );
p->bInit = sal_True;
}
else
{
OSL_ASSERT( 0 == p->nRefCountOfCurrentId );
if( 0 == p->nRefCountOfCurrentId )
{
rtl_byte_sequence_assign(&( p->pCurrentId ), pThreadId );
p->nRefCountOfCurrentId ++;
}
else
{
return sal_False;
}
}
return sal_True;
}
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