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88399079 | 1 | // condition_variable -*- C++ -*- |
68a97d24 | 2 | |
aa118a03 | 3 | // Copyright (C) 2008-2014 Free Software Foundation, Inc. |
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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) |
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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/>. | |
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24 | |
25 | #include <condition_variable> | |
26 | ||
7b800287 CF |
27 | #if defined(_GLIBCXX_HAS_GTHREADS) && defined(_GLIBCXX_USE_C99_STDINT_TR1) |
28 | ||
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29 | namespace std _GLIBCXX_VISIBILITY(default) |
30 | { | |
31 | _GLIBCXX_BEGIN_NAMESPACE_VERSION | |
53dc5044 | 32 | |
7b800287 | 33 | #ifdef __GTHREAD_COND_INIT |
0fd72195 | 34 | condition_variable::condition_variable() noexcept = default; |
7b800287 | 35 | #else |
b81e920e JW |
36 | condition_variable::condition_variable() noexcept |
37 | { | |
b59cbd50 | 38 | __GTHREAD_COND_INIT_FUNCTION(&_M_cond); |
68a97d24 | 39 | } |
2942db63 | 40 | #endif |
68a97d24 | 41 | |
b81e920e | 42 | condition_variable::~condition_variable() noexcept |
68a97d24 | 43 | { |
68a97d24 | 44 | // XXX no thread blocked |
7b800287 | 45 | /* int __e = */ __gthread_cond_destroy(&_M_cond); |
68a97d24 | 46 | // if __e == EBUSY then blocked |
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47 | } |
48 | ||
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49 | void |
50 | condition_variable::wait(unique_lock<mutex>& __lock) | |
51 | { | |
52 | int __e = __gthread_cond_wait(&_M_cond, __lock.mutex()->native_handle()); | |
53 | ||
54 | if (__e) | |
d5cf2021 | 55 | __throw_system_error(__e); |
7b800287 | 56 | } |
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57 | |
58 | void | |
b81e920e | 59 | condition_variable::notify_one() noexcept |
d5cf2021 | 60 | { |
7b800287 | 61 | int __e = __gthread_cond_signal(&_M_cond); |
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62 | |
63 | // XXX not in spec | |
64 | // EINVAL | |
7b800287 | 65 | if (__e) |
68a97d24 | 66 | __throw_system_error(__e); |
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67 | } |
68 | ||
d5cf2021 | 69 | void |
b81e920e | 70 | condition_variable::notify_all() noexcept |
d5cf2021 | 71 | { |
7b800287 | 72 | int __e = __gthread_cond_broadcast(&_M_cond); |
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73 | |
74 | // XXX not in spec | |
75 | // EINVAL | |
7b800287 | 76 | if (__e) |
68a97d24 | 77 | __throw_system_error(__e); |
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78 | } |
79 | ||
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80 | _GLIBCXX_END_NAMESPACE_VERSION |
81 | } // namespace | |
68a97d24 | 82 | |
7b800287 | 83 | #endif // _GLIBCXX_HAS_GTHREADS && _GLIBCXX_USE_C99_STDINT_TR1 |