source: NonGTP/Boost/boost/thread/detail/tss_hooks.hpp @ 857

Revision 857, 3.2 KB checked in by igarcia, 19 years ago (diff)
Line 
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#if !defined(BOOST_TLS_HOOKS_HPP)
7#define BOOST_TLS_HOOKS_HPP
8
9#include <boost/thread/detail/config.hpp>
10
11#if defined(BOOST_HAS_WINTHREADS)
12
13    typedef void (__cdecl *thread_exit_handler)(void);
14
15    extern "C" BOOST_THREAD_DECL int at_thread_exit(
16        thread_exit_handler exit_handler
17        );
18        //Add a function to the list of functions that will
19            //be called when a thread is about to exit.
20        //Currently only implemented for Win32, but should
21            //later be implemented for all platforms.
22        //Used by Win32 implementation of Boost.Threads
23            //tss to peform cleanup.
24        //Like the C runtime library atexit() function,
25            //which it mimics, at_thread_exit() returns
26            //zero if successful and a nonzero
27            //value if an error occurs.
28
29#endif //defined(BOOST_HAS_WINTHREADS)
30
31#if defined(BOOST_HAS_WINTHREADS)
32
33    extern "C" BOOST_THREAD_DECL void on_process_enter(void);
34        //Function to be called when the exe or dll
35            //that uses Boost.Threads first starts
36            //or is first loaded.
37        //Should be called only before the first call to
38            //on_thread_enter().
39        //Called automatically by Boost.Threads when
40            //a method for doing so has been discovered.
41        //May be omitted; may be called multiple times.
42
43    extern "C" BOOST_THREAD_DECL void on_process_exit(void);
44        //Function to be called when the exe or dll
45            //that uses Boost.Threads first starts
46            //or is first loaded.
47        //Should be called only after the last call to
48            //on_exit_thread().
49        //Called automatically by Boost.Threads when
50            //a method for doing so has been discovered.
51        //Must not be omitted; may be called multiple times.
52
53    extern "C" BOOST_THREAD_DECL void on_thread_enter(void);
54        //Function to be called just after a thread starts
55            //in an exe or dll that uses Boost.Threads.
56        //Must be called in the context of the thread
57            //that is starting.
58        //Called automatically by Boost.Threads when
59            //a method for doing so has been discovered.
60        //May be omitted; may be called multiple times.
61
62    extern "C" BOOST_THREAD_DECL void on_thread_exit(void);
63        //Function to be called just be fore a thread ends
64            //in an exe or dll that uses Boost.Threads.
65        //Must be called in the context of the thread
66            //that is ending.
67        //Called automatically by Boost.Threads when
68            //a method for doing so has been discovered.
69        //Must not be omitted; may be called multiple times.
70
71    extern "C" void tss_cleanup_implemented(void);
72        //Dummy function used both to detect whether tss cleanup
73            //cleanup has been implemented and to force
74            //it to be linked into the Boost.Threads library.
75
76#endif //defined(BOOST_HAS_WINTHREADS)
77
78#endif //!defined(BOOST_TLS_HOOKS_HPP)
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