mirror of git://gcc.gnu.org/git/gcc.git
85 lines
2.3 KiB
C++
85 lines
2.3 KiB
C++
// mutex -*- C++ -*-
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// Copyright (C) 2008 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 2, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING. If not, write to the Free
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// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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// USA.
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// As a special exception, you may use this file as part of a free software
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// library without restriction. Specifically, if other files instantiate
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// templates or use macros or inline functions from this file, or you compile
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// this file and link it with other files to produce an executable, this
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// file does not by itself cause the resulting executable to be covered by
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// the GNU General Public License. This exception does not however
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// invalidate any other reasons why the executable file might be covered by
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// the GNU General Public License.
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#include <condition_variable>
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namespace std
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{
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condition_variable::condition_variable()
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{
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#if __GTHREAD_HAS_COND
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# if defined __GTHREAD_COND_INIT
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native_handle_type __tmp = __GTHREAD_COND_INIT;
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_M_cond = __tmp;
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# else
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int __e = __gthread_cond_init(&_M_cond, NULL);
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if ( __e)
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__throw_system_error(__e);
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# endif
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#endif
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}
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condition_variable::~condition_variable()
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{
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#if __GTHREAD_HAS_COND
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// XXX no thread blocked
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/* int __e = */ pthread_cond_destroy(&_M_cond);
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// if __e == EBUSY then blocked
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#endif
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}
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void
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condition_variable::notify_one()
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{
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#if __GTHREAD_HAS_COND
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int __e = pthread_cond_signal(&_M_cond);
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// XXX not in spec
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// EINVAL
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if ( __e)
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__throw_system_error(__e);
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#endif
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}
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void
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condition_variable::notify_all()
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{
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#if __GTHREAD_HAS_COND
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int __e = pthread_cond_broadcast(&_M_cond);
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// XXX not in spec
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// EINVAL
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if ( __e)
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__throw_system_error(__e);
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#endif
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}
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}
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