blocxx
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00001 /******************************************************************************* 00002 * Copyright (C) 2005, Vintela, Inc. All rights reserved. 00003 * Copyright (C) 2006, Novell, Inc. All rights reserved. 00004 * 00005 * Redistribution and use in source and binary forms, with or without 00006 * modification, are permitted provided that the following conditions are met: 00007 * 00008 * * Redistributions of source code must retain the above copyright notice, 00009 * this list of conditions and the following disclaimer. 00010 * * Redistributions in binary form must reproduce the above copyright 00011 * notice, this list of conditions and the following disclaimer in the 00012 * documentation and/or other materials provided with the distribution. 00013 * * Neither the name of 00014 * Vintela, Inc., 00015 * nor Novell, Inc., 00016 * nor the names of its contributors or employees may be used to 00017 * endorse or promote products derived from this software without 00018 * specific prior written permission. 00019 * 00020 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 00021 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00022 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00023 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 00024 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 00025 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 00026 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 00027 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 00028 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 00029 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 00030 * POSSIBILITY OF SUCH DAMAGE. 00031 *******************************************************************************/ 00032 00033 00039 #include "blocxx/BLOCXX_config.h" 00040 00041 #if defined(BLOCXX_USE_DLL) 00042 #include "blocxx/DLLSharedLibrary.hpp" 00043 #include "blocxx/Format.hpp" 00044 #include "blocxx/Mutex.hpp" 00045 #include "blocxx/MutexLock.hpp" 00046 00047 #include <iostream> 00048 00049 namespace 00050 { 00051 typedef void (__stdcall *DllEntry_t)(void); 00052 } 00053 00054 namespace BLOCXX_NAMESPACE 00055 { 00056 00057 Mutex DLLSharedLibrary_guard; 00058 00060 DLLSharedLibrary::DLLSharedLibrary(HINSTANCE libhandle, const String& libName) 00061 : SharedLibrary(), m_libhandle(libhandle), m_libName(libName) 00062 { 00063 DllEntry_t ensureInit; 00064 00065 if( getFunctionPointer("DllEnsureInit", ensureInit) ) 00066 ensureInit(); 00067 } 00069 DLLSharedLibrary::~DLLSharedLibrary() 00070 { 00071 DllEntry_t forceTerm; 00072 00073 if( getFunctionPointer("DllForceTerm", forceTerm) ) 00074 forceTerm(); 00075 00076 ::FreeLibrary(m_libhandle); 00077 } 00079 bool 00080 DLLSharedLibrary::doGetFunctionPointer(const String& functionName, 00081 void** fp) const 00082 { 00083 MutexLock l(DLLSharedLibrary_guard); 00084 00085 *fp = (void*) ::GetProcAddress(m_libhandle, functionName.c_str()); 00086 00087 if (!*fp) 00088 { 00089 return false; 00090 } 00091 00092 return true; 00093 } 00094 00095 } // end namespace BLOCXX_NAMESPACE 00096 00097 #endif 00098