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/* -*- 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) noexcept
{
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: */
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