163 lines
4.1 KiB
C++
163 lines
4.1 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org 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
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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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 * pParam);
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virtual void v_callOut_v (uno_EnvCallee * pCallee, va_list * pParam);
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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 * pParam)
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{
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enter();
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pCallee(pParam);
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leave();
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}
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void UnsafeBridge::v_callOut_v(uno_EnvCallee * pCallee, va_list * pParam)
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{
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OSL_ASSERT(m_count > 0);
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-- m_count;
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pCallee(pParam);
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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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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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