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// 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 2, 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.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING. If not, write to the Free
// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
// USA.
// As a special exception, you may use this file as part of a free software
// library without restriction. Specifically, if other files instantiate
// templates or use macros or inline functions from this file, or you compile
// this file and link it with other files to produce an executable, this
// file does not by itself cause the resulting executable to be covered by
// the GNU General Public License. This exception does not however
// invalidate any other reasons why the executable file might be covered by
// the GNU General Public License.
#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
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