1 // condition_variable -*- C++ -*-
3 // Copyright (C) 2008, 2009, 2010, 2012 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 condition_variable::condition_variable() throw ()
35 #ifdef __GTHREAD_COND_INIT
36 __native_type __tmp = __GTHREAD_COND_INIT;
37 #if defined __GXX_EXPERIMENTAL_CXX0X__ \
38 && defined _GLIBCXX_GTHREADS_NO_COPY_ASSIGN_IN_CXX11
39 __builtin_memcpy(&_M_cond, &__tmp, sizeof(_M_cond));
44 int __e = __gthread_cond_init(&_M_cond, 0);
47 __throw_system_error(__e);
51 condition_variable::~condition_variable() throw ()
53 // XXX no thread blocked
54 /* int __e = */ __gthread_cond_destroy(&_M_cond);
55 // if __e == EBUSY then blocked
59 condition_variable::wait(unique_lock<mutex>& __lock)
61 int __e = __gthread_cond_wait(&_M_cond, __lock.mutex()->native_handle());
64 __throw_system_error(__e);
68 condition_variable::notify_one()
70 int __e = __gthread_cond_signal(&_M_cond);
75 __throw_system_error(__e);
79 condition_variable::notify_all()
81 int __e = __gthread_cond_broadcast(&_M_cond);
86 __throw_system_error(__e);
89 condition_variable_any::condition_variable_any() throw ()
92 condition_variable_any::~condition_variable_any() throw ()
95 _GLIBCXX_END_NAMESPACE_VERSION
98 #endif // _GLIBCXX_HAS_GTHREADS && _GLIBCXX_USE_C99_STDINT_TR1