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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:06:44 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:06:44 +0000 |
commit | ed5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch) | |
tree | 7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /cppu/source/UnsafeBridge/UnsafeBridge.cxx | |
parent | Initial commit. (diff) | |
download | libreoffice-upstream.tar.xz libreoffice-upstream.zip |
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | cppu/source/UnsafeBridge/UnsafeBridge.cxx | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/cppu/source/UnsafeBridge/UnsafeBridge.cxx b/cppu/source/UnsafeBridge/UnsafeBridge.cxx new file mode 100644 index 000000000..491a888c3 --- /dev/null +++ b/cppu/source/UnsafeBridge/UnsafeBridge.cxx @@ -0,0 +1,144 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#include <osl/mutex.hxx> +#include <osl/thread.h> +#include <osl/thread.hxx> +#include <sal/log.hxx> + +#include <cppu/Enterable.hxx> +#include <cppu/helper/purpenv/Environment.hxx> +#include <cppu/helper/purpenv/Mapping.hxx> + +namespace { + +class UnsafeBridge : public cppu::Enterable +{ + osl::Mutex m_mutex; + sal_Int32 m_count; + oslThreadIdentifier m_threadId; + + virtual ~UnsafeBridge() override; + +public: + explicit UnsafeBridge(); + + virtual void v_callInto_v(uno_EnvCallee * pCallee, va_list * pParam) override; + virtual void v_callOut_v (uno_EnvCallee * pCallee, va_list * pParam) override; + + virtual void v_enter() override; + virtual void v_leave() override; + + virtual bool v_isValid(OUString * pReason) override; +}; + +} + +UnsafeBridge::UnsafeBridge() + : m_count (0), + m_threadId(0) +{ + SAL_INFO("cppu.unsafebridge", "LIFE: UnsafeBridge::UnsafeBridge(uno_Environment * pEnv) -> " << this); +} + +UnsafeBridge::~UnsafeBridge() +{ + SAL_INFO("cppu.unsafebridge", "LIFE: UnsafeBridge::~UnsafeBridge() -> " << this); + + SAL_WARN_IF(m_count < 0, "cppu.unsafebridge", "m_count is less than 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) +{ + SAL_WARN_IF(m_count <= 0, "cppu.unsafebridge", "m_count is less than or equal to 0"); + + -- m_count; + pCallee(pParam); + ++ m_count; + + if (!m_threadId) + m_threadId = osl::Thread::getCurrentIdentifier(); +} + +void UnsafeBridge::v_enter() +{ + m_mutex.acquire(); + + SAL_WARN_IF(m_count < 0, "cppu.unsafebridge", "m_count is less than 0"); + + if (m_count == 0) + m_threadId = osl::Thread::getCurrentIdentifier(); + + ++ m_count; +} + +void UnsafeBridge::v_leave() +{ + SAL_WARN_IF(m_count <= 0, "cppu.unsafebridge", "m_count is less than or equal to 0"); + + -- m_count; + if (!m_count) + m_threadId = 0; + + + m_mutex.release(); +} + +bool UnsafeBridge::v_isValid(OUString * pReason) +{ + bool result = m_count > 0; + if (!result) + { + *pReason = "not entered"; + } + else + { + result = m_threadId == osl::Thread::getCurrentIdentifier(); + + if (!result) + *pReason = "wrong thread"; + } + + if (result) + *pReason = "OK"; + + return result; +} + +extern "C" void SAL_DLLPUBLIC_EXPORT uno_initEnvironment(uno_Environment * pEnv) + SAL_THROW_EXTERN_C() +{ + cppu::helper::purpenv::Environment_initWithEnterable(pEnv, new UnsafeBridge()); +} + +extern "C" void SAL_DLLPUBLIC_EXPORT uno_ext_getMapping(uno_Mapping ** ppMapping, + uno_Environment * pFrom, + uno_Environment * pTo ) +{ + cppu::helper::purpenv::createMapping(ppMapping, pFrom, pTo); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |