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Diffstat (limited to 'cppu/source/UnsafeBridge/UnsafeBridge.cxx')
-rw-r--r-- | cppu/source/UnsafeBridge/UnsafeBridge.cxx | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/cppu/source/UnsafeBridge/UnsafeBridge.cxx b/cppu/source/UnsafeBridge/UnsafeBridge.cxx new file mode 100644 index 000000000000..5a531de47182 --- /dev/null +++ b/cppu/source/UnsafeBridge/UnsafeBridge.cxx @@ -0,0 +1,163 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * 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 "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 * pParam); + virtual void v_callOut_v (uno_EnvCallee * pCallee, va_list * pParam); + + 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 * pParam) +{ + enter(); + pCallee(pParam); + leave(); +} + +void UnsafeBridge::v_callOut_v(uno_EnvCallee * pCallee, va_list * pParam) +{ + OSL_ASSERT(m_count > 0); + + -- m_count; + pCallee(pParam); + ++ 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); +} + |