113 lines
3 KiB
C++
113 lines
3 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 <salhelper/dynload.hxx>
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#include <rtl/ustrbuf.hxx>
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namespace salhelper
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{
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typedef void* (SAL_CALL *ApiInitFunction) (void);
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ORealDynamicLoader::ORealDynamicLoader(ORealDynamicLoader ** ppSetToZeroInDestructor_,
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const rtl::OUString& moduleName,
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const rtl::OUString& initFunction,
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void* pApi,
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oslModule pModule)
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: m_pApi(pApi)
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, m_refCount(1)
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, m_pModule(pModule)
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, m_strModuleName(moduleName)
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, m_strInitFunction(initFunction)
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, ppSetToZeroInDestructor( ppSetToZeroInDestructor_ )
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{
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}
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ORealDynamicLoader* ORealDynamicLoader::newInstance(ORealDynamicLoader ** ppSetToZeroInDestructor,
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const rtl::OUString& moduleName,
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const rtl::OUString& initFunction)
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{
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#ifdef DISABLE_DYNLOADING
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(void) ppSetToZeroInDestructor;
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(void) moduleName;
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(void) initFunction;
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return NULL;
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#else
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ApiInitFunction initFunc;
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oslModule pModule = osl_loadModule(moduleName.pData, SAL_LOADMODULE_DEFAULT);
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if ( !pModule )
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{
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return nullptr;
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}
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initFunc = reinterpret_cast<ApiInitFunction>(osl_getFunctionSymbol(
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pModule, initFunction.pData));
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if ( !initFunc )
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{
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osl_unloadModule(pModule);
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return nullptr;
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}
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return(new ORealDynamicLoader(ppSetToZeroInDestructor, moduleName,
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initFunction,
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initFunc(),
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pModule));
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#endif
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}
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ORealDynamicLoader::~ORealDynamicLoader()
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{
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// set the address to zero
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if( ppSetToZeroInDestructor )
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*ppSetToZeroInDestructor = nullptr;
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if (m_pModule)
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{
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#ifndef DISABLE_DYNLOADING
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osl_unloadModule(m_pModule);
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#endif
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m_pModule = nullptr;
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}
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}
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sal_uInt32 ORealDynamicLoader::acquire()
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{
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return ++m_refCount;
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}
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sal_uInt32 ORealDynamicLoader::release()
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{
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sal_uInt32 nRet = --m_refCount;
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if( nRet == 0 )
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delete this;
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return nRet;
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}
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void* ORealDynamicLoader::getApi() const
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{
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return m_pApi;
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}
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} // namespace salhelper
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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