[80] | 1 | // |
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| 2 | // SharedLibrary_WIN32U.cpp |
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| 3 | // |
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| 4 | // $Id: //poco/1.3/Foundation/src/SharedLibrary_WIN32U.cpp#3 $ |
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| 5 | // |
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| 6 | // Library: Foundation |
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| 7 | // Package: SharedLibrary |
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| 8 | // Module: SharedLibrary |
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| 9 | // |
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| 10 | // Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH. |
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| 11 | // and Contributors. |
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| 12 | // |
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| 13 | // Permission is hereby granted, free of charge, to any person or organization |
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| 14 | // obtaining a copy of the software and accompanying documentation covered by |
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| 15 | // this license (the "Software") to use, reproduce, display, distribute, |
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| 16 | // execute, and transmit the Software, and to prepare derivative works of the |
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| 17 | // Software, and to permit third-parties to whom the Software is furnished to |
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| 18 | // do so, all subject to the following: |
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| 19 | // |
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| 20 | // The copyright notices in the Software and this entire statement, including |
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| 21 | // the above license grant, this restriction and the following disclaimer, |
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| 22 | // must be included in all copies of the Software, in whole or in part, and |
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| 23 | // all derivative works of the Software, unless such copies or derivative |
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| 24 | // works are solely in the form of machine-executable object code generated by |
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| 25 | // a source language processor. |
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| 26 | // |
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| 27 | // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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| 28 | // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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| 29 | // FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT |
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| 30 | // SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE |
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| 31 | // FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE, |
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| 32 | // ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
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| 33 | // DEALINGS IN THE SOFTWARE. |
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| 34 | // |
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| 35 | |
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| 36 | |
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| 37 | #include <Poco/SharedLibrary_WIN32U.h> |
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| 38 | #include <Poco/UnicodeConverter.h> |
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| 39 | #include <Poco/Path.h> |
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| 40 | #include <Poco/UnWindows.h> |
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| 41 | |
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| 42 | |
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| 43 | namespace Poco { |
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| 44 | |
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| 45 | |
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| 46 | FastMutex SharedLibraryImpl::_mutex; |
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| 47 | |
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| 48 | |
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| 49 | SharedLibraryImpl::SharedLibraryImpl() |
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| 50 | { |
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| 51 | _handle = 0; |
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| 52 | } |
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| 53 | |
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| 54 | |
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| 55 | SharedLibraryImpl::~SharedLibraryImpl() |
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| 56 | { |
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| 57 | } |
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| 58 | |
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| 59 | |
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| 60 | void SharedLibraryImpl::loadImpl(const std::string& path) |
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| 61 | { |
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| 62 | FastMutex::ScopedLock lock(_mutex); |
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| 63 | |
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| 64 | if (_handle) throw LibraryAlreadyLoadedException(_path); |
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| 65 | DWORD flags(0); |
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| 66 | Path p(path); |
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| 67 | if (p.isAbsolute()) flags |= LOAD_WITH_ALTERED_SEARCH_PATH; |
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| 68 | std::wstring upath; |
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| 69 | UnicodeConverter::toUTF16(path, upath); |
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| 70 | _handle = LoadLibraryExW(upath.c_str(), 0, flags); |
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| 71 | if (!_handle) throw LibraryLoadException(path); |
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| 72 | _path = path; |
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| 73 | } |
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| 74 | |
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| 75 | |
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| 76 | void SharedLibraryImpl::unloadImpl() |
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| 77 | { |
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| 78 | FastMutex::ScopedLock lock(_mutex); |
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| 79 | |
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| 80 | if (_handle) |
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| 81 | { |
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| 82 | FreeLibrary((HMODULE) _handle); |
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| 83 | _handle = 0; |
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| 84 | } |
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| 85 | _path.clear(); |
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| 86 | } |
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| 87 | |
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| 88 | |
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| 89 | bool SharedLibraryImpl::isLoadedImpl() const |
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| 90 | { |
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| 91 | return _handle != 0; |
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| 92 | } |
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| 93 | |
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| 94 | |
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| 95 | void* SharedLibraryImpl::findSymbolImpl(const std::string& name) |
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| 96 | { |
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| 97 | FastMutex::ScopedLock lock(_mutex); |
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| 98 | |
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| 99 | if (_handle) |
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| 100 | { |
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| 101 | return (void*) GetProcAddress((HMODULE) _handle, name.c_str()); |
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| 102 | } |
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| 103 | else return 0; |
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| 104 | } |
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| 105 | |
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| 106 | |
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| 107 | const std::string& SharedLibraryImpl::getPathImpl() const |
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| 108 | { |
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| 109 | return _path; |
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| 110 | } |
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| 111 | |
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| 112 | |
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| 113 | std::string SharedLibraryImpl::suffixImpl() |
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| 114 | { |
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| 115 | #if defined(_DEBUG) |
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| 116 | return "d.dll"; |
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| 117 | #else |
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| 118 | return ".dll"; |
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| 119 | #endif |
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| 120 | } |
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| 121 | |
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| 122 | |
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| 123 | } // namespace Poco |
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