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jeremybenn |
// condition_variable -*- C++ -*-
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// Copyright (C) 2008, 2009, 2010 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 3, 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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// Under Section 7 of GPL version 3, you are granted additional
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// permissions described in the GCC Runtime Library Exception, version
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// 3.1, as published by the Free Software Foundation.
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// You should have received a copy of the GNU General Public License and
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// a copy of the GCC Runtime Library Exception along with this program;
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// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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// <http://www.gnu.org/licenses/>.
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#include <condition_variable>
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#if defined(_GLIBCXX_HAS_GTHREADS) && defined(_GLIBCXX_USE_C99_STDINT_TR1)
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namespace std _GLIBCXX_VISIBILITY(default)
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{
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_GLIBCXX_BEGIN_NAMESPACE_VERSION
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#ifdef __GTHREAD_COND_INIT
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condition_variable::condition_variable() noexcept = default;
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condition_variable::~condition_variable() noexcept = default;
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#else
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condition_variable::condition_variable() noexcept
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{
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__GTHREAD_COND_INIT_FUNCTION(&_M_cond);
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}
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condition_variable::~condition_variable() noexcept
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{
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// XXX no thread blocked
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/* int __e = */ __gthread_cond_destroy(&_M_cond);
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// if __e == EBUSY then blocked
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}
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#endif
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void
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condition_variable::wait(unique_lock<mutex>& __lock)
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{
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int __e = __gthread_cond_wait(&_M_cond, __lock.mutex()->native_handle());
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if (__e)
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__throw_system_error(__e);
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}
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void
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condition_variable::notify_one() noexcept
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{
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int __e = __gthread_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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}
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void
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condition_variable::notify_all() noexcept
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{
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int __e = __gthread_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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}
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condition_variable_any::condition_variable_any() noexcept = default;
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condition_variable_any::~condition_variable_any() noexcept = default;
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_GLIBCXX_END_NAMESPACE_VERSION
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} // namespace
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#endif // _GLIBCXX_HAS_GTHREADS && _GLIBCXX_USE_C99_STDINT_TR1
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