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46e113bf CF |
1 | // thread -*- C++ -*- |
2 | ||
8fc81078 | 3 | // Copyright (C) 2008, 2009, 2010 Free Software Foundation, Inc. |
46e113bf CF |
4 | // |
5 | // This file is part of the GNU ISO C++ Library. This library is free | |
6 | // software; you can redistribute it and/or modify it under the | |
7 | // terms of the GNU General Public License as published by the | |
748086b7 | 8 | // Free Software Foundation; either version 3, or (at your option) |
46e113bf CF |
9 | // any later version. |
10 | ||
11 | // This library is distributed in the hope that it will be useful, | |
12 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | // GNU General Public License for more details. | |
15 | ||
748086b7 JJ |
16 | // Under Section 7 of GPL version 3, you are granted additional |
17 | // permissions described in the GCC Runtime Library Exception, version | |
18 | // 3.1, as published by the Free Software Foundation. | |
19 | ||
20 | // You should have received a copy of the GNU General Public License and | |
21 | // a copy of the GCC Runtime Library Exception along with this program; | |
22 | // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
23 | // <http://www.gnu.org/licenses/>. | |
24 | ||
46e113bf CF |
25 | |
26 | #include <thread> | |
cbdab9c8 | 27 | #include <cerrno> |
46e113bf CF |
28 | |
29 | #if defined(_GLIBCXX_HAS_GTHREADS) && defined(_GLIBCXX_USE_C99_STDINT_TR1) | |
30 | ||
31 | namespace std | |
32 | { | |
d7afcd2b | 33 | namespace |
46e113bf | 34 | { |
d7afcd2b BK |
35 | extern "C" void* |
36 | execute_native_thread_routine(void* __p) | |
46e113bf | 37 | { |
d7afcd2b BK |
38 | thread::_Impl_base* __t = static_cast<thread::_Impl_base*>(__p); |
39 | thread::__shared_base_type __local; | |
40 | __local.swap(__t->_M_this_ptr); | |
41 | ||
42 | __try | |
43 | { | |
f7459b6c | 44 | __t->_M_run(); |
d7afcd2b BK |
45 | } |
46 | __catch(...) | |
47 | { | |
48 | std::terminate(); | |
49 | } | |
50 | ||
51 | return 0; | |
46e113bf CF |
52 | } |
53 | } | |
54 | ||
46e113bf CF |
55 | void |
56 | thread::join() | |
57 | { | |
cbdab9c8 | 58 | int __e = EINVAL; |
46e113bf | 59 | |
626dda69 | 60 | if (_M_id != id()) |
8fc81078 | 61 | __e = __gthread_join(_M_id._M_thread, 0); |
cbdab9c8 JW |
62 | |
63 | if (__e) | |
64 | __throw_system_error(__e); | |
65 | ||
626dda69 | 66 | _M_id = id(); |
46e113bf CF |
67 | } |
68 | ||
69 | void | |
70 | thread::detach() | |
d7afcd2b | 71 | { |
cbdab9c8 | 72 | int __e = EINVAL; |
46e113bf | 73 | |
626dda69 CF |
74 | if (_M_id != id()) |
75 | __e = __gthread_detach(_M_id._M_thread); | |
cbdab9c8 JW |
76 | |
77 | if (__e) | |
78 | __throw_system_error(__e); | |
79 | ||
626dda69 | 80 | _M_id = id(); |
46e113bf CF |
81 | } |
82 | ||
d7afcd2b | 83 | void |
626dda69 | 84 | thread::_M_start_thread(__shared_base_type __b) |
46e113bf | 85 | { |
45ed58a8 PC |
86 | if (!__gthread_active_p()) |
87 | __throw_system_error(int(errc::operation_not_permitted)); | |
88 | ||
626dda69 CF |
89 | __b->_M_this_ptr = __b; |
90 | int __e = __gthread_create(&_M_id._M_thread, | |
91 | &execute_native_thread_routine, __b.get()); | |
cbdab9c8 JW |
92 | if (__e) |
93 | { | |
626dda69 | 94 | __b->_M_this_ptr.reset(); |
46e113bf | 95 | __throw_system_error(__e); |
cbdab9c8 | 96 | } |
46e113bf | 97 | } |
46e113bf CF |
98 | } |
99 | ||
100 | #endif // _GLIBCXX_HAS_GTHREADS && _GLIBCXX_USE_C99_STDINT_TR1 |