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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