1*e4b17023SJohn Marino // condition_variable -*- C++ -*- 2*e4b17023SJohn Marino 3*e4b17023SJohn Marino // Copyright (C) 2008, 2009, 2010, 2012 Free Software Foundation, Inc. 4*e4b17023SJohn Marino // 5*e4b17023SJohn Marino // This file is part of the GNU ISO C++ Library. This library is free 6*e4b17023SJohn Marino // software; you can redistribute it and/or modify it under the 7*e4b17023SJohn Marino // terms of the GNU General Public License as published by the 8*e4b17023SJohn Marino // Free Software Foundation; either version 3, or (at your option) 9*e4b17023SJohn Marino // any later version. 10*e4b17023SJohn Marino 11*e4b17023SJohn Marino // This library is distributed in the hope that it will be useful, 12*e4b17023SJohn Marino // but WITHOUT ANY WARRANTY; without even the implied warranty of 13*e4b17023SJohn Marino // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14*e4b17023SJohn Marino // GNU General Public License for more details. 15*e4b17023SJohn Marino 16*e4b17023SJohn Marino // Under Section 7 of GPL version 3, you are granted additional 17*e4b17023SJohn Marino // permissions described in the GCC Runtime Library Exception, version 18*e4b17023SJohn Marino // 3.1, as published by the Free Software Foundation. 19*e4b17023SJohn Marino 20*e4b17023SJohn Marino // You should have received a copy of the GNU General Public License and 21*e4b17023SJohn Marino // a copy of the GCC Runtime Library Exception along with this program; 22*e4b17023SJohn Marino // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 23*e4b17023SJohn Marino // <http://www.gnu.org/licenses/>. 24*e4b17023SJohn Marino 25*e4b17023SJohn Marino #include <condition_variable> 26*e4b17023SJohn Marino 27*e4b17023SJohn Marino #if defined(_GLIBCXX_HAS_GTHREADS) && defined(_GLIBCXX_USE_C99_STDINT_TR1) 28*e4b17023SJohn Marino 29*e4b17023SJohn Marino namespace std _GLIBCXX_VISIBILITY(default) 30*e4b17023SJohn Marino { 31*e4b17023SJohn Marino _GLIBCXX_BEGIN_NAMESPACE_VERSION 32*e4b17023SJohn Marino 33*e4b17023SJohn Marino #ifdef __GTHREAD_COND_INIT 34*e4b17023SJohn Marino condition_variable::condition_variable() noexcept = default; 35*e4b17023SJohn Marino #else 36*e4b17023SJohn Marino condition_variable::condition_variable() noexcept 37*e4b17023SJohn Marino { 38*e4b17023SJohn Marino __GTHREAD_COND_INIT_FUNCTION(&_M_cond); 39*e4b17023SJohn Marino } 40*e4b17023SJohn Marino #endif 41*e4b17023SJohn Marino ~condition_variable()42*e4b17023SJohn Marino condition_variable::~condition_variable() noexcept 43*e4b17023SJohn Marino { 44*e4b17023SJohn Marino // XXX no thread blocked 45*e4b17023SJohn Marino /* int __e = */ __gthread_cond_destroy(&_M_cond); 46*e4b17023SJohn Marino // if __e == EBUSY then blocked 47*e4b17023SJohn Marino } 48*e4b17023SJohn Marino 49*e4b17023SJohn Marino void wait(unique_lock<mutex> & __lock)50*e4b17023SJohn Marino condition_variable::wait(unique_lock<mutex>& __lock) 51*e4b17023SJohn Marino { 52*e4b17023SJohn Marino int __e = __gthread_cond_wait(&_M_cond, __lock.mutex()->native_handle()); 53*e4b17023SJohn Marino 54*e4b17023SJohn Marino if (__e) 55*e4b17023SJohn Marino __throw_system_error(__e); 56*e4b17023SJohn Marino } 57*e4b17023SJohn Marino 58*e4b17023SJohn Marino void notify_one()59*e4b17023SJohn Marino condition_variable::notify_one() noexcept 60*e4b17023SJohn Marino { 61*e4b17023SJohn Marino int __e = __gthread_cond_signal(&_M_cond); 62*e4b17023SJohn Marino 63*e4b17023SJohn Marino // XXX not in spec 64*e4b17023SJohn Marino // EINVAL 65*e4b17023SJohn Marino if (__e) 66*e4b17023SJohn Marino __throw_system_error(__e); 67*e4b17023SJohn Marino } 68*e4b17023SJohn Marino 69*e4b17023SJohn Marino void notify_all()70*e4b17023SJohn Marino condition_variable::notify_all() noexcept 71*e4b17023SJohn Marino { 72*e4b17023SJohn Marino int __e = __gthread_cond_broadcast(&_M_cond); 73*e4b17023SJohn Marino 74*e4b17023SJohn Marino // XXX not in spec 75*e4b17023SJohn Marino // EINVAL 76*e4b17023SJohn Marino if (__e) 77*e4b17023SJohn Marino __throw_system_error(__e); 78*e4b17023SJohn Marino } 79*e4b17023SJohn Marino 80*e4b17023SJohn Marino condition_variable_any::condition_variable_any() noexcept = default; 81*e4b17023SJohn Marino 82*e4b17023SJohn Marino condition_variable_any::~condition_variable_any() noexcept = default; 83*e4b17023SJohn Marino 84*e4b17023SJohn Marino _GLIBCXX_END_NAMESPACE_VERSION 85*e4b17023SJohn Marino } // namespace 86*e4b17023SJohn Marino 87*e4b17023SJohn Marino #endif // _GLIBCXX_HAS_GTHREADS && _GLIBCXX_USE_C99_STDINT_TR1 88