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annotate OrthancFramework/SharedLibrary/DllMain.cpp @ 5416:08177310e269

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author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 08 Nov 2023 09:59:31 +0100
parents acaea72a3e91
children 48b8dae6dc77
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1 /**
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2 * Orthanc - A Lightweight, RESTful DICOM Store
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3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
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4 * Department, University Hospital of Liege, Belgium
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5 * Copyright (C) 2017-2023 Osimis S.A., Belgium
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6 * Copyright (C) 2021-2023 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
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7 *
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8 * This program is free software: you can redistribute it and/or
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9 * modify it under the terms of the GNU Lesser General Public License
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10 * as published by the Free Software Foundation, either version 3 of
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11 * the License, or (at your option) any later version.
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12 *
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13 * This program is distributed in the hope that it will be useful, but
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14 * WITHOUT ANY WARRANTY; without even the implied warranty of
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15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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16 * Lesser General Public License for more details.
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17 *
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18 * You should have received a copy of the GNU Lesser General Public
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19 * License along with this program. If not, see
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20 * <http://www.gnu.org/licenses/>.
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21 **/
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22
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23
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24 /**
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25
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26 This file merges 2 files:
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27 ${BOOST_SOURCES_DIR}/libs/thread/src/win32/tss_dll.cpp
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28 ${OPENSSL_SOURCES_DIR}/crypto/dllmain.c
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29
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30 **/
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31
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32 #if defined(_WIN32) || defined(__CYGWIN__)
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33
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34 #include <boost/thread/detail/tss_hooks.hpp>
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35
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36 #include <windows.h>
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37
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38 #include <crypto/cryptlib.h>
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39
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40 #if defined(__BORLANDC__)
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41 extern "C" BOOL WINAPI DllEntryPoint(HINSTANCE /*hInstance*/, DWORD dwReason, LPVOID /*lpReserved*/)
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42 #elif defined(_WIN32_WCE)
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43 extern "C" BOOL WINAPI DllMain(HANDLE /*hInstance*/, DWORD dwReason, LPVOID /*lpReserved*/)
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44 #else
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45 extern "C" BOOL WINAPI DllMain(HINSTANCE /*hInstance*/, DWORD dwReason, LPVOID /*lpReserved*/)
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46 #endif
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47 {
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48 switch(dwReason)
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49 {
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50 case DLL_PROCESS_ATTACH:
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51 {
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52 //OPENSSL_cpuid_setup(); // TODO - Is this necessary?
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53 boost::on_process_enter();
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54 boost::on_thread_enter();
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55 break;
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56 }
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57
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58 case DLL_THREAD_ATTACH:
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59 {
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60 boost::on_thread_enter();
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61 break;
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62 }
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63
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64 case DLL_THREAD_DETACH:
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65 {
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66 OPENSSL_thread_stop();
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67 boost::on_thread_exit();
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68 break;
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69 }
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70
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71 case DLL_PROCESS_DETACH:
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72 {
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73 boost::on_thread_exit();
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74 boost::on_process_exit();
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75 break;
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76 }
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77 }
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78
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79 return TRUE;
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80 }
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81
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82 #endif
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83
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84
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85 namespace boost
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86 {
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87 void tss_cleanup_implemented()
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88 {
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89 /*
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90 This function's sole purpose is to cause a link error in cases where
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91 automatic tss cleanup is not implemented by Boost.Threads as a
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92 reminder that user code is responsible for calling the necessary
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93 functions at the appropriate times (and for implementing an a
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94 tss_cleanup_implemented() function to eliminate the linker's
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95 missing symbol error).
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96
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97 If Boost.Threads later implements automatic tss cleanup in cases
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98 where it currently doesn't (which is the plan), the duplicate
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99 symbol error will warn the user that their custom solution is no
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100 longer needed and can be removed.
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101 */
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102 }
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103 }
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104