1 // condition_variable -*- C++ -*-
3 // Copyright (C) 2008, 2009, 2010 Free Software Foundation, Inc.
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
8 // Free Software Foundation; either version 3, or (at your option)
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.
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.
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/>.
25 #include <condition_variable>
27 #if defined(_GLIBCXX_HAS_GTHREADS) && defined(_GLIBCXX_USE_C99_STDINT_TR1)
29 namespace std _GLIBCXX_VISIBILITY(default)
31 _GLIBCXX_BEGIN_NAMESPACE_VERSION
33 #ifdef __GTHREAD_COND_INIT
34 condition_variable::condition_variable() noexcept = default;
35 condition_variable::~condition_variable() noexcept = default;
37 condition_variable::condition_variable() noexcept
39 int __e = __gthread_cond_init(&_M_cond, 0);
42 __throw_system_error(__e);
45 condition_variable::~condition_variable() noexcept
47 // XXX no thread blocked
48 /* int __e = */ __gthread_cond_destroy(&_M_cond);
49 // if __e == EBUSY then blocked
54 condition_variable::wait(unique_lock<mutex>& __lock)
56 int __e = __gthread_cond_wait(&_M_cond, __lock.mutex()->native_handle());
59 __throw_system_error(__e);
63 condition_variable::notify_one() noexcept
65 int __e = __gthread_cond_signal(&_M_cond);
70 __throw_system_error(__e);
74 condition_variable::notify_all() noexcept
76 int __e = __gthread_cond_broadcast(&_M_cond);
81 __throw_system_error(__e);
84 condition_variable_any::condition_variable_any() noexcept = default;
86 condition_variable_any::~condition_variable_any() noexcept = default;
88 _GLIBCXX_END_NAMESPACE_VERSION
91 #endif // _GLIBCXX_HAS_GTHREADS && _GLIBCXX_USE_C99_STDINT_TR1