1*cdf0e10cSrcweir /************************************************************************* 2*cdf0e10cSrcweir * 3*cdf0e10cSrcweir * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4*cdf0e10cSrcweir * 5*cdf0e10cSrcweir * Copyright 2000, 2010 Oracle and/or its affiliates. 6*cdf0e10cSrcweir * 7*cdf0e10cSrcweir * OpenOffice.org - a multi-platform office productivity suite 8*cdf0e10cSrcweir * 9*cdf0e10cSrcweir * This file is part of OpenOffice.org. 10*cdf0e10cSrcweir * 11*cdf0e10cSrcweir * OpenOffice.org is free software: you can redistribute it and/or modify 12*cdf0e10cSrcweir * it under the terms of the GNU Lesser General Public License version 3 13*cdf0e10cSrcweir * only, as published by the Free Software Foundation. 14*cdf0e10cSrcweir * 15*cdf0e10cSrcweir * OpenOffice.org is distributed in the hope that it will be useful, 16*cdf0e10cSrcweir * but WITHOUT ANY WARRANTY; without even the implied warranty of 17*cdf0e10cSrcweir * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18*cdf0e10cSrcweir * GNU Lesser General Public License version 3 for more details 19*cdf0e10cSrcweir * (a copy is included in the LICENSE file that accompanied this code). 20*cdf0e10cSrcweir * 21*cdf0e10cSrcweir * You should have received a copy of the GNU Lesser General Public License 22*cdf0e10cSrcweir * version 3 along with OpenOffice.org. If not, see 23*cdf0e10cSrcweir * <http://www.openoffice.org/license.html> 24*cdf0e10cSrcweir * for a copy of the LGPLv3 License. 25*cdf0e10cSrcweir * 26*cdf0e10cSrcweir ************************************************************************/ 27*cdf0e10cSrcweir 28*cdf0e10cSrcweir #include <salhelper/dynload.hxx> 29*cdf0e10cSrcweir #include <rtl/ustrbuf.hxx> 30*cdf0e10cSrcweir 31*cdf0e10cSrcweir namespace salhelper 32*cdf0e10cSrcweir { 33*cdf0e10cSrcweir 34*cdf0e10cSrcweir typedef void* (SAL_CALL *ApiInitFunction) (void); 35*cdf0e10cSrcweir 36*cdf0e10cSrcweir ORealDynamicLoader::ORealDynamicLoader(ORealDynamicLoader ** ppSetToZeroInDestructor_, 37*cdf0e10cSrcweir const rtl::OUString& moduleName, 38*cdf0e10cSrcweir const rtl::OUString& initFunction, 39*cdf0e10cSrcweir void* pApi, 40*cdf0e10cSrcweir oslModule pModule) 41*cdf0e10cSrcweir : m_pApi(pApi) 42*cdf0e10cSrcweir , m_refCount(1) 43*cdf0e10cSrcweir , m_pModule(pModule) 44*cdf0e10cSrcweir , m_strModuleName(moduleName) 45*cdf0e10cSrcweir , m_strInitFunction(initFunction) 46*cdf0e10cSrcweir , ppSetToZeroInDestructor( ppSetToZeroInDestructor_ ) 47*cdf0e10cSrcweir { 48*cdf0e10cSrcweir } 49*cdf0e10cSrcweir 50*cdf0e10cSrcweir ORealDynamicLoader* ORealDynamicLoader::newInstance(ORealDynamicLoader ** ppSetToZeroInDestructor, 51*cdf0e10cSrcweir const rtl::OUString& moduleName, 52*cdf0e10cSrcweir const rtl::OUString& initFunction) 53*cdf0e10cSrcweir { 54*cdf0e10cSrcweir ApiInitFunction initFunc; 55*cdf0e10cSrcweir oslModule pModule = osl_loadModule(moduleName.pData, SAL_LOADMODULE_DEFAULT); 56*cdf0e10cSrcweir 57*cdf0e10cSrcweir if ( !pModule ) 58*cdf0e10cSrcweir { 59*cdf0e10cSrcweir return NULL; 60*cdf0e10cSrcweir } 61*cdf0e10cSrcweir 62*cdf0e10cSrcweir initFunc = (ApiInitFunction)osl_getFunctionSymbol( 63*cdf0e10cSrcweir pModule, initFunction.pData); 64*cdf0e10cSrcweir 65*cdf0e10cSrcweir if ( !initFunc ) 66*cdf0e10cSrcweir { 67*cdf0e10cSrcweir osl_unloadModule(pModule); 68*cdf0e10cSrcweir return NULL; 69*cdf0e10cSrcweir } 70*cdf0e10cSrcweir 71*cdf0e10cSrcweir return(new ORealDynamicLoader(ppSetToZeroInDestructor, moduleName, 72*cdf0e10cSrcweir initFunction, 73*cdf0e10cSrcweir initFunc(), 74*cdf0e10cSrcweir pModule)); 75*cdf0e10cSrcweir } 76*cdf0e10cSrcweir 77*cdf0e10cSrcweir ORealDynamicLoader::~ORealDynamicLoader() 78*cdf0e10cSrcweir { 79*cdf0e10cSrcweir // set the address to zero 80*cdf0e10cSrcweir if( ppSetToZeroInDestructor ) 81*cdf0e10cSrcweir *ppSetToZeroInDestructor = 0; 82*cdf0e10cSrcweir 83*cdf0e10cSrcweir if (m_pModule) 84*cdf0e10cSrcweir { 85*cdf0e10cSrcweir osl_unloadModule(m_pModule); 86*cdf0e10cSrcweir m_pModule = NULL; 87*cdf0e10cSrcweir } 88*cdf0e10cSrcweir } 89*cdf0e10cSrcweir 90*cdf0e10cSrcweir sal_uInt32 ORealDynamicLoader::acquire() 91*cdf0e10cSrcweir { 92*cdf0e10cSrcweir return ++m_refCount; 93*cdf0e10cSrcweir } 94*cdf0e10cSrcweir 95*cdf0e10cSrcweir sal_uInt32 ORealDynamicLoader::release() 96*cdf0e10cSrcweir { 97*cdf0e10cSrcweir sal_uInt32 nRet = --m_refCount; 98*cdf0e10cSrcweir if( nRet == 0 ) 99*cdf0e10cSrcweir delete this; 100*cdf0e10cSrcweir return nRet; 101*cdf0e10cSrcweir } 102*cdf0e10cSrcweir 103*cdf0e10cSrcweir 104*cdf0e10cSrcweir void* ORealDynamicLoader::getApi() const 105*cdf0e10cSrcweir { 106*cdf0e10cSrcweir return m_pApi; 107*cdf0e10cSrcweir } 108*cdf0e10cSrcweir 109*cdf0e10cSrcweir } // namespace salhelper 110*cdf0e10cSrcweir 111