172 lines
4.3 KiB
C++
172 lines
4.3 KiB
C++
/*************************************************************************
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* $RCSfile: UnsafeBridge.cxx,v $
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*
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* $Revision: 1.3 $
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*
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* last change: $Author: kz $ $Date: 2007-05-14 09:32:30 $
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*
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* The Contents of this file are made available subject to
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* the terms of GNU Lesser General Public License Version 2.1.
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*
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2005 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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************************************************************************/
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// MARKER(update_precomp.py): autogen include statement, do not remove
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#include "precompiled_cppu.hxx"
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#include "osl/mutex.hxx"
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#include "osl/thread.h"
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#include "cppu/helper/purpenv/Environment.hxx"
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#include "cppu/helper/purpenv/Mapping.hxx"
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#ifdef debug
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# define LOG_LIFECYCLE_UnsafeBridge
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#endif
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#ifdef LOG_LIFECYCLE_UnsafeBridge
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# include <iostream>
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# define LOG_LIFECYCLE_UnsafeBridge_emit(x) x
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#else
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# define LOG_LIFECYCLE_UnsafeBridge_emit(x)
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#endif
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class SAL_DLLPRIVATE UnsafeBridge : public cppu::Enterable
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{
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osl::Mutex m_mutex;
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sal_Int32 m_count;
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oslThreadIdentifier m_threadId;
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virtual ~UnsafeBridge(void);
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public:
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explicit UnsafeBridge(void);
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virtual void v_callInto_v(uno_EnvCallee * pCallee, va_list param);
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virtual void v_callOut_v (uno_EnvCallee * pCallee, va_list param);
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virtual void v_enter(void);
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virtual void v_leave(void);
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virtual int v_isValid(rtl::OUString * pReason);
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};
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UnsafeBridge::UnsafeBridge(void)
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: m_count (0),
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m_threadId(0)
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{
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LOG_LIFECYCLE_UnsafeBridge_emit(fprintf(stderr, "LIFE: %s -> %p\n", "UnsafeBridge::UnsafeBridge(uno_Environment * pEnv)", this));
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}
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UnsafeBridge::~UnsafeBridge(void)
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{
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LOG_LIFECYCLE_UnsafeBridge_emit(fprintf(stderr, "LIFE: %s -> %p\n", "UnsafeBridge::~UnsafeBridge(void)", this));
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OSL_ASSERT(m_count >= 0);
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}
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void UnsafeBridge::v_callInto_v(uno_EnvCallee * pCallee, va_list param)
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{
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enter();
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pCallee(param);
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leave();
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}
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void UnsafeBridge::v_callOut_v(uno_EnvCallee * pCallee, va_list param)
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{
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OSL_ASSERT(m_count > 0);
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-- m_count;
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pCallee(param);
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++ m_count;
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if (!m_threadId)
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m_threadId = osl_getThreadIdentifier(NULL);
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}
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void UnsafeBridge::v_enter(void)
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{
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m_mutex.acquire();
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OSL_ASSERT(m_count >= 0);
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if (m_count == 0)
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m_threadId = osl_getThreadIdentifier(NULL);
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++ m_count;
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}
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void UnsafeBridge::v_leave(void)
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{
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OSL_ASSERT(m_count > 0);
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-- m_count;
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if (!m_count)
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m_threadId = 0;
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m_mutex.release();
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}
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int UnsafeBridge::v_isValid(rtl::OUString * pReason)
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{
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int result = 1;
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result = m_count > 0;
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if (!result)
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*pReason = rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("not entered"));
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else
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{
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result = m_threadId == osl_getThreadIdentifier(NULL);
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if (!result)
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*pReason = rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("wrong thread"));
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}
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if (result)
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*pReason = rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("OK"));
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return result;
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}
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extern "C" void SAL_DLLPUBLIC_EXPORT SAL_CALL uno_initEnvironment(uno_Environment * pEnv)
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SAL_THROW_EXTERN_C()
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{
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cppu::helper::purpenv::Environment_initWithEnterable(pEnv, new UnsafeBridge());
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}
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extern "C" void SAL_DLLPUBLIC_EXPORT SAL_CALL uno_ext_getMapping(uno_Mapping ** ppMapping,
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uno_Environment * pFrom,
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uno_Environment * pTo )
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{
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cppu::helper::purpenv::createMapping(ppMapping, pFrom, pTo);
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}
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