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// condition_variable -*- C++ -*-
// Copyright (C) 2008, 2009, 2010, 2012 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 _GLIBCXX_VISIBILITY(default)
{
_GLIBCXX_BEGIN_NAMESPACE_VERSION
condition_variable::condition_variable() throw ()
{
#ifdef __GTHREAD_COND_INIT
__native_type __tmp = __GTHREAD_COND_INIT;
#if defined __GXX_EXPERIMENTAL_CXX0X__ \
&& defined _GLIBCXX_GTHREADS_NO_COPY_ASSIGN_IN_CXX11
__builtin_memcpy(&_M_cond, &__tmp, sizeof(_M_cond));
#else
_M_cond = __tmp;
#endif
#else
int __e = __gthread_cond_init(&_M_cond, 0);
if (__e)
__throw_system_error(__e);
#endif
}
condition_variable::~condition_variable() throw ()
{
// 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() throw ()
{ }
condition_variable_any::~condition_variable_any() throw ()
{ }
_GLIBCXX_END_NAMESPACE_VERSION
} // namespace
#endif // _GLIBCXX_HAS_GTHREADS && _GLIBCXX_USE_C99_STDINT_TR1
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