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authorJuergen Schmidt <jsc@openoffice.org>2001-03-16 12:25:09 +0000
committerJuergen Schmidt <jsc@openoffice.org>2001-03-16 12:25:09 +0000
commitcb08bfdd90f6ef8c783fbe8117c92244137abbf9 (patch)
tree016ab073ffe20f07b5f7602191b0d51c2b60ea62 /salhelper/source/dynload.cxx
parent4fd04b6224b240bc8b890f4d25d71442108fb1c1 (diff)
new
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+/*************************************************************************
+ *
+ * $RCSfile: dynload.cxx,v $
+ *
+ * $Revision: 1.1 $
+ *
+ * last change: $Author: jsc $ $Date: 2001-03-16 13:23:40 $
+ *
+ * The Contents of this file are made available subject to the terms of
+ * either of the following licenses
+ *
+ * - GNU Lesser General Public License Version 2.1
+ * - Sun Industry Standards Source License Version 1.1
+ *
+ * Sun Microsystems Inc., October, 2000
+ *
+ * GNU Lesser General Public License Version 2.1
+ * =============================================
+ * Copyright 2000 by Sun Microsystems, Inc.
+ * 901 San Antonio Road, Palo Alto, CA 94303, USA
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License version 2.1, as published by the Free Software Foundation.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ *
+ *
+ * Sun Industry Standards Source License Version 1.1
+ * =================================================
+ * The contents of this file are subject to the Sun Industry Standards
+ * Source License Version 1.1 (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.openoffice.org/license.html.
+ *
+ * Software provided under this License is provided on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
+ * WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
+ * MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
+ * See the License for the specific provisions governing your rights and
+ * obligations concerning the Software.
+ *
+ * The Initial Developer of the Original Code is: Sun Microsystems, Inc.
+ *
+ * Copyright: 2000 by Sun Microsystems, Inc.
+ *
+ * All Rights Reserved.
+ *
+ * Contributor(s): _______________________________________
+ *
+ *
+ ************************************************************************/
+
+#ifndef _SALHELPER_DYNLOAD_HXX_
+#include <salhelper/dynload.hxx>
+#endif
+
+#ifndef _RTL_USTRBUF_HXX_
+#include <rtl/ustrbuf.hxx>
+#endif
+
+namespace salhelper
+{
+
+typedef void* (SAL_CALL *ApiInitFunction) (void);
+
+ORealDynamicLoader::ORealDynamicLoader(ORealDynamicLoader ** ppSetToZeroInDestructor_,
+ const rtl::OUString& moduleName,
+ const rtl::OUString& initFunction,
+ void* pApi,
+ oslModule pModule)
+ : m_pApi(pApi)
+ , m_refCount(1)
+ , m_pModule(pModule)
+ , m_strModuleName(moduleName)
+ , m_strInitFunction(initFunction)
+ , ppSetToZeroInDestructor( ppSetToZeroInDestructor_ )
+{
+}
+
+SAL_DLLEXPORT ORealDynamicLoader* ORealDynamicLoader::newInstance(ORealDynamicLoader ** ppSetToZeroInDestructor,
+ const rtl::OUString& moduleName,
+ const rtl::OUString& initFunction)
+{
+ ApiInitFunction initFunc;
+ oslModule pModule = osl_loadModule(moduleName.pData, SAL_LOADMODULE_DEFAULT);
+
+ if ( !pModule )
+ {
+ return NULL;
+ }
+
+ initFunc = (ApiInitFunction)osl_getSymbol(pModule, initFunction.pData);
+
+ if ( !initFunc )
+ {
+ osl_unloadModule(pModule);
+ return NULL;
+ }
+
+ return(new ORealDynamicLoader(ppSetToZeroInDestructor, moduleName,
+ initFunction,
+ initFunc(),
+ pModule));
+}
+
+ORealDynamicLoader::~ORealDynamicLoader()
+{
+ // set the address to zero
+ if( ppSetToZeroInDestructor )
+ *ppSetToZeroInDestructor = 0;
+
+ if (m_pModule)
+ {
+ osl_unloadModule(m_pModule);
+ m_pModule = NULL;
+ }
+}
+
+sal_uInt32 ORealDynamicLoader::acquire()
+{
+ return ++m_refCount;
+}
+
+sal_uInt32 ORealDynamicLoader::release()
+{
+ sal_uInt32 nRet = --m_refCount;
+ if( nRet == 0 )
+ delete this;
+ return nRet;
+}
+
+
+void* ORealDynamicLoader::getApi() const
+{
+ return m_pApi;
+}
+
+} // namespace salhelper
+