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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
commited5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch)
tree7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /salhelper/source/dynload.cxx
parentInitial commit. (diff)
downloadlibreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.tar.xz
libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.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 'salhelper/source/dynload.cxx')
-rw-r--r--salhelper/source/dynload.cxx112
1 files changed, 112 insertions, 0 deletions
diff --git a/salhelper/source/dynload.cxx b/salhelper/source/dynload.cxx
new file mode 100644
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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 <salhelper/dynload.hxx>
+
+namespace salhelper
+{
+
+typedef void* (*ApiInitFunction) ();
+
+ORealDynamicLoader::ORealDynamicLoader(ORealDynamicLoader ** ppSetToZeroInDestructor_,
+ const OUString& moduleName,
+ const OUString& initFunction,
+ void* pApi,
+ oslModule pModule)
+ : m_pApi(pApi)
+ , m_refCount(1)
+ , m_pModule(pModule)
+ , m_strModuleName(moduleName)
+ , m_strInitFunction(initFunction)
+ , ppSetToZeroInDestructor( ppSetToZeroInDestructor_ )
+{
+}
+
+ORealDynamicLoader* ORealDynamicLoader::newInstance(ORealDynamicLoader ** ppSetToZeroInDestructor,
+ const OUString& moduleName,
+ const OUString& initFunction)
+{
+#ifdef DISABLE_DYNLOADING
+ (void) ppSetToZeroInDestructor;
+ (void) moduleName;
+ (void) initFunction;
+
+ return NULL;
+#else
+ ApiInitFunction initFunc;
+ oslModule pModule = osl_loadModule(moduleName.pData, SAL_LOADMODULE_DEFAULT);
+
+ if ( !pModule )
+ {
+ return nullptr;
+ }
+
+ initFunc = reinterpret_cast<ApiInitFunction>(osl_getFunctionSymbol(
+ pModule, initFunction.pData));
+
+ if ( !initFunc )
+ {
+ osl_unloadModule(pModule);
+ return nullptr;
+ }
+
+ return(new ORealDynamicLoader(ppSetToZeroInDestructor, moduleName,
+ initFunction,
+ initFunc(),
+ pModule));
+#endif
+}
+
+ORealDynamicLoader::~ORealDynamicLoader()
+{
+ // set the address to zero
+ if( ppSetToZeroInDestructor )
+ *ppSetToZeroInDestructor = nullptr;
+
+ if (m_pModule)
+ {
+#ifndef DISABLE_DYNLOADING
+ osl_unloadModule(m_pModule);
+#endif
+ m_pModule = nullptr;
+ }
+}
+
+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
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */