rt-thread/components/libc/pthreads/sched.h

/*
 * File      : sched.h
 * This file is part of RT-Thread RTOS
 * COPYRIGHT (C) 2006 - 2010, RT-Thread Development Team
 *
 *  This program 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 of the License, or
 *  (at your option) any later version.
 *
 *  This program 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 program; if not, write to the Free Software Foundation, Inc.,
 *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Change Logs:
 * Date           Author       Notes
 */

#ifndef __SCHED_H__
#define __SCHED_H__

#include <rtthread.h>
#include <pthread.h>

/* Thread scheduling policies */
enum
{
    SCHED_OTHER = 0,
    SCHED_FIFO,
    SCHED_RR,
    SCHED_MIN = SCHED_OTHER,
    SCHED_MAX = SCHED_RR
};

struct sched_param
{
    int sched_priority;
};

#ifdef __cplusplus
extern "C"
{
#endif

int sched_yield(void);
int sched_get_priority_min(int policy);
int sched_get_priority_max(int policy);
int sched_setscheduler(pid_t pid, int policy);

#ifdef __cplusplus
}
#endif

#endif