| // condition_variable -*- C++ -*- |
| |
| // Copyright (C) 2008, 2009 Free Software Foundation, Inc. |
| // |
| // This file is part of the GNU ISO C++ Library. This library is free |
| // software; you can redistribute it and/or modify it under the |
| // terms of the GNU General Public License as published by the |
| // Free Software Foundation; either version 3, or (at your option) |
| // any later version. |
| |
| // This library is distributed in the hope that it will be useful, |
| // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| // GNU General Public License for more details. |
| |
| // Under Section 7 of GPL version 3, you are granted additional |
| // permissions described in the GCC Runtime Library Exception, version |
| // 3.1, as published by the Free Software Foundation. |
| |
| // You should have received a copy of the GNU General Public License and |
| // a copy of the GCC Runtime Library Exception along with this program; |
| // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
| // <http://www.gnu.org/licenses/>. |
| |
| #include <condition_variable> |
| |
| #if defined(_GLIBCXX_HAS_GTHREADS) && defined(_GLIBCXX_USE_C99_STDINT_TR1) |
| |
| namespace std |
| { |
| condition_variable::condition_variable() |
| { |
| #ifdef __GTHREAD_COND_INIT |
| __native_type __tmp = __GTHREAD_COND_INIT; |
| _M_cond = __tmp; |
| #else |
| int __e = __gthread_cond_init(&_M_cond, NULL); |
| |
| if (__e) |
| __throw_system_error(__e); |
| #endif |
| } |
| |
| condition_variable::~condition_variable() |
| { |
| // XXX no thread blocked |
| /* int __e = */ __gthread_cond_destroy(&_M_cond); |
| // if __e == EBUSY then blocked |
| } |
| |
| void |
| condition_variable::wait(unique_lock<mutex>& __lock) |
| { |
| int __e = __gthread_cond_wait(&_M_cond, __lock.mutex()->native_handle()); |
| |
| if (__e) |
| __throw_system_error(__e); |
| } |
| |
| void |
| condition_variable::notify_one() |
| { |
| int __e = __gthread_cond_signal(&_M_cond); |
| |
| // XXX not in spec |
| // EINVAL |
| if (__e) |
| __throw_system_error(__e); |
| } |
| |
| void |
| condition_variable::notify_all() |
| { |
| int __e = __gthread_cond_broadcast(&_M_cond); |
| |
| // XXX not in spec |
| // EINVAL |
| if (__e) |
| __throw_system_error(__e); |
| } |
| |
| condition_variable_any::condition_variable_any() |
| { |
| #ifdef __GTHREAD_COND_INIT |
| __native_type __tmp = __GTHREAD_COND_INIT; |
| _M_cond = __tmp; |
| #else |
| int __e = __gthread_cond_init(&_M_cond, NULL); |
| |
| if (__e) |
| __throw_system_error(__e); |
| #endif |
| } |
| |
| condition_variable_any::~condition_variable_any() |
| { |
| __gthread_cond_destroy(&_M_cond); |
| } |
| } |
| |
| #endif // _GLIBCXX_HAS_GTHREADS && _GLIBCXX_USE_C99_STDINT_TR1 |