143 lines
3.7 KiB
C++
143 lines
3.7 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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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 <osl/thread.hxx>
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#include <sal/log.hxx>
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#include <cppu/Enterable.hxx>
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#include <cppu/helper/purpenv/Environment.hxx>
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#include <cppu/helper/purpenv/Mapping.hxx>
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namespace {
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class 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() override;
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public:
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explicit UnsafeBridge();
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virtual void v_callInto_v(uno_EnvCallee * pCallee, va_list * pParam) override;
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virtual void v_callOut_v (uno_EnvCallee * pCallee, va_list * pParam) override;
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virtual void v_enter() override;
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virtual void v_leave() override;
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virtual bool v_isValid(OUString * pReason) override;
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};
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}
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UnsafeBridge::UnsafeBridge()
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: m_count (0),
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m_threadId(0)
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{
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SAL_INFO("cppu.unsafebridge", "LIFE: UnsafeBridge::UnsafeBridge(uno_Environment * pEnv) -> " << this);
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}
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UnsafeBridge::~UnsafeBridge()
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{
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SAL_INFO("cppu.unsafebridge", "LIFE: UnsafeBridge::~UnsafeBridge() -> " << this);
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SAL_WARN_IF(m_count < 0, "cppu.unsafebridge", "m_count is less than 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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SAL_WARN_IF(m_count <= 0, "cppu.unsafebridge", "m_count is less than or equal to 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::Thread::getCurrentIdentifier();
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}
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void UnsafeBridge::v_enter()
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{
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m_mutex.acquire();
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SAL_WARN_IF(m_count < 0, "cppu.unsafebridge", "m_count is less than 0");
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if (m_count == 0)
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m_threadId = osl::Thread::getCurrentIdentifier();
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++ m_count;
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}
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void UnsafeBridge::v_leave()
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{
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SAL_WARN_IF(m_count <= 0, "cppu.unsafebridge", "m_count is less than or equal to 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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bool UnsafeBridge::v_isValid(OUString * pReason)
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{
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bool result = m_count > 0;
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if (!result)
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{
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*pReason = "not entered";
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}
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else
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{
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result = m_threadId == osl::Thread::getCurrentIdentifier();
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if (!result)
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*pReason = "wrong thread";
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}
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if (result)
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*pReason = "OK";
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return result;
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}
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extern "C" void SAL_DLLPUBLIC_EXPORT uno_initEnvironment(uno_Environment * pEnv) noexcept
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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 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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