/*!The Treasure Box Library
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * 
 * Copyright (C) 2009 - 2017, TBOOX Open Source Group.
 *
 * @author      ruki
 * @file        sched.c
 * @ingroup     platform
 *
 */

/* //////////////////////////////////////////////////////////////////////////////////////
 * includes
 */
#include "prefix.h"
#include "../sched.h"
#if defined(YieldProcessor)
#   include <intrin.h>
#endif

/* //////////////////////////////////////////////////////////////////////////////////////
 * implementation
 */
tb_bool_t tb_sched_yield()
{
    // yield it in thread
#if defined(YieldProcessor)
    YieldProcessor();
    return tb_true;
#else
    tb_usleep(1);
    return tb_true;
#endif
}

