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/*************************************************************************
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: UnsafeBridge.cxx,v $
*
* $Revision: 1.2 $
*
* last change: $Author: kz $ $Date: 2007-05-09 13:36:26 $
*
* 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 "osl/mutex.hxx"
#include "osl/thread.h"
#include "cppu/helper/purpenv/Environment.hxx"
#include "cppu/helper/purpenv/Mapping.hxx"
#ifdef debug
# define LOG_LIFECYCLE_UnsafeBridge
#endif
#ifdef LOG_LIFECYCLE_UnsafeBridge
# include <iostream>
# define LOG_LIFECYCLE_UnsafeBridge_emit(x) x
#else
# define LOG_LIFECYCLE_UnsafeBridge_emit(x)
#endif
class SAL_DLLPRIVATE UnsafeBridge : public cppu::Enterable
{
osl::Mutex m_mutex;
sal_Int32 m_count;
oslThreadIdentifier m_threadId;
virtual ~UnsafeBridge(void);
public:
explicit UnsafeBridge(void);
virtual void v_callInto_v(uno_EnvCallee * pCallee, va_list param);
virtual void v_callOut_v (uno_EnvCallee * pCallee, va_list param);
virtual void v_enter(void);
virtual void v_leave(void);
virtual int v_isValid(rtl::OUString * pReason);
};
UnsafeBridge::UnsafeBridge(void)
: m_count (0),
m_threadId(0)
{
LOG_LIFECYCLE_UnsafeBridge_emit(fprintf(stderr, "LIFE: %s -> %p\n", "UnsafeBridge::UnsafeBridge(uno_Environment * pEnv)", this));
}
UnsafeBridge::~UnsafeBridge(void)
{
LOG_LIFECYCLE_UnsafeBridge_emit(fprintf(stderr, "LIFE: %s -> %p\n", "UnsafeBridge::~UnsafeBridge(void)", this));
OSL_ASSERT(m_count >= 0);
}
void UnsafeBridge::v_callInto_v(uno_EnvCallee * pCallee, va_list param)
{
enter();
pCallee(param);
leave();
}
void UnsafeBridge::v_callOut_v(uno_EnvCallee * pCallee, va_list param)
{
OSL_ASSERT(m_count > 0);
-- m_count;
pCallee(param);
++ m_count;
if (!m_threadId)
m_threadId = osl_getThreadIdentifier(NULL);
}
void UnsafeBridge::v_enter(void)
{
m_mutex.acquire();
OSL_ASSERT(m_count >= 0);
if (m_count == 0)
m_threadId = osl_getThreadIdentifier(NULL);
++ m_count;
}
void UnsafeBridge::v_leave(void)
{
OSL_ASSERT(m_count > 0);
-- m_count;
if (!m_count)
m_threadId = 0;
m_mutex.release();
}
int UnsafeBridge::v_isValid(rtl::OUString * pReason)
{
int result = 1;
result = m_count > 0;
if (!result)
*pReason = rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("not entered"));
else
{
result = m_threadId == osl_getThreadIdentifier(NULL);
if (!result)
*pReason = rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("wrong thread"));
}
if (result)
*pReason = rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("OK"));
return result;
}
extern "C" void SAL_DLLPUBLIC_EXPORT SAL_CALL uno_initEnvironment(uno_Environment * pEnv)
SAL_THROW_EXTERN_C()
{
cppu::helper::purpenv::Environment_initWithEnterable(pEnv, new UnsafeBridge());
}
extern "C" void SAL_DLLPUBLIC_EXPORT SAL_CALL uno_ext_getMapping(uno_Mapping ** ppMapping,
uno_Environment * pFrom,
uno_Environment * pTo )
{
cppu::helper::purpenv::createMapping(ppMapping, pFrom, pTo);
}
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