00001 // 00002 // SharedLibrary_WIN32U.cpp 00003 // 00004 // $Id: //poco/1.3/Foundation/src/SharedLibrary_WIN32U.cpp#2 $ 00005 // 00006 // Library: Foundation 00007 // Package: SharedLibrary 00008 // Module: SharedLibrary 00009 // 00010 // Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH. 00011 // and Contributors. 00012 // 00013 // Permission is hereby granted, free of charge, to any person or organization 00014 // obtaining a copy of the software and accompanying documentation covered by 00015 // this license (the "Software") to use, reproduce, display, distribute, 00016 // execute, and transmit the Software, and to prepare derivative works of the 00017 // Software, and to permit third-parties to whom the Software is furnished to 00018 // do so, all subject to the following: 00019 // 00020 // The copyright notices in the Software and this entire statement, including 00021 // the above license grant, this restriction and the following disclaimer, 00022 // must be included in all copies of the Software, in whole or in part, and 00023 // all derivative works of the Software, unless such copies or derivative 00024 // works are solely in the form of machine-executable object code generated by 00025 // a source language processor. 00026 // 00027 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 00028 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 00029 // FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT 00030 // SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE 00031 // FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE, 00032 // ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 00033 // DEALINGS IN THE SOFTWARE. 00034 // 00035 00036 00037 #include "Poco/SharedLibrary_WIN32U.h" 00038 #include "Poco/UnicodeConverter.h" 00039 #include "Poco/UnWindows.h" 00040 00041 00042 namespace Poco { 00043 00044 00045 FastMutex SharedLibraryImpl::_mutex; 00046 00047 00048 SharedLibraryImpl::SharedLibraryImpl() 00049 { 00050 _handle = 0; 00051 } 00052 00053 00054 SharedLibraryImpl::~SharedLibraryImpl() 00055 { 00056 } 00057 00058 00059 void SharedLibraryImpl::loadImpl(const std::string& path) 00060 { 00061 FastMutex::ScopedLock lock(_mutex); 00062 00063 if (_handle) throw LibraryAlreadyLoadedException(_path); 00064 std::wstring upath; 00065 UnicodeConverter::toUTF16(path, upath); 00066 _handle = LoadLibraryW(upath.c_str()); 00067 if (!_handle) throw LibraryLoadException(path); 00068 _path = path; 00069 } 00070 00071 00072 void SharedLibraryImpl::unloadImpl() 00073 { 00074 FastMutex::ScopedLock lock(_mutex); 00075 00076 if (_handle) 00077 { 00078 FreeLibrary((HMODULE) _handle); 00079 _handle = 0; 00080 } 00081 _path.clear(); 00082 } 00083 00084 00085 bool SharedLibraryImpl::isLoadedImpl() const 00086 { 00087 return _handle != 0; 00088 } 00089 00090 00091 void* SharedLibraryImpl::findSymbolImpl(const std::string& name) 00092 { 00093 FastMutex::ScopedLock lock(_mutex); 00094 00095 if (_handle) 00096 { 00097 return (void*) GetProcAddress((HMODULE) _handle, name.c_str()); 00098 } 00099 else return 0; 00100 } 00101 00102 00103 const std::string& SharedLibraryImpl::getPathImpl() const 00104 { 00105 return _path; 00106 } 00107 00108 00109 std::string SharedLibraryImpl::suffixImpl() 00110 { 00111 #if defined(_DEBUG) 00112 return "d.dll"; 00113 #else 00114 return ".dll"; 00115 #endif 00116 } 00117 00118 00119 } // namespace Poco