1 // (C) Copyright Michael Glassford 2004.
2 // Use, modification and distribution are subject to the
3 // Boost Software License, Version 1.0. (See accompanying file
4 // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
5 
6 #include <boost/winapi/config.hpp>
7 #include <boost/thread/detail/config.hpp>
8 
9 
10 #if defined(BOOST_THREAD_WIN32) && defined(BOOST_THREAD_BUILD_DLL)
11 
12     #include <boost/thread/detail/tss_hooks.hpp>
13 
14     #include <windows.h>
15 
16     #if defined(BOOST_BORLANDC)
DllEntryPoint(HINSTANCE,DWORD dwReason,LPVOID)17         extern "C" BOOL WINAPI DllEntryPoint(HINSTANCE /*hInstance*/, DWORD dwReason, LPVOID /*lpReserved*/)
18     #elif defined(BOOST_EMBTC)
19         extern "C" int _libmain(DWORD dwReason)
20     #elif defined(_WIN32_WCE)
21         extern "C" BOOL WINAPI DllMain(HANDLE /*hInstance*/, DWORD dwReason, LPVOID /*lpReserved*/)
22     #else
23         extern "C" BOOL WINAPI DllMain(HINSTANCE /*hInstance*/, DWORD dwReason, LPVOID /*lpReserved*/)
24     #endif
25     {
26         switch(dwReason)
27         {
28             case DLL_PROCESS_ATTACH:
29             {
30                 boost::on_process_enter();
31                 boost::on_thread_enter();
32                 break;
33             }
34 
35             case DLL_THREAD_ATTACH:
36             {
37                 boost::on_thread_enter();
38                 break;
39             }
40 
41             case DLL_THREAD_DETACH:
42             {
43                 boost::on_thread_exit();
44                 break;
45             }
46 
47             case DLL_PROCESS_DETACH:
48             {
49                 boost::on_thread_exit();
50                 boost::on_process_exit();
51                 break;
52             }
53         }
54 
55         return TRUE;
56     }
57 
58 namespace boost
59 {
tss_cleanup_implemented()60     void tss_cleanup_implemented()
61     {
62         /*
63         This function's sole purpose is to cause a link error in cases where
64         automatic tss cleanup is not implemented by Boost.Threads as a
65         reminder that user code is responsible for calling the necessary
66         functions at the appropriate times (and for implementing an a
67         tss_cleanup_implemented() function to eliminate the linker's
68         missing symbol error).
69 
70         If Boost.Threads later implements automatic tss cleanup in cases
71         where it currently doesn't (which is the plan), the duplicate
72         symbol error will warn the user that their custom solution is no
73         longer needed and can be removed.
74         */
75     }
76 }
77 
78 #else //defined(BOOST_THREAD_WIN32) && defined(BOOST_THREAD_BUILD_DLL)
79 
80 #ifdef _MSC_VER
81 // Prevent LNK4221 warning with link=static
82 namespace boost { namespace link_static_warning_inhibit {
foo()83     extern __declspec(dllexport) void foo() { }
84 } }
85 #endif
86 
87 #endif //defined(BOOST_THREAD_WIN32) && defined(BOOST_THREAD_BUILD_DLL)
88