/*
 *  Written by Joel Sherrill <joel@OARcorp.com>.
 *
 *  COPYRIGHT (c) 1989-2010.
 *  On-Line Applications Research Corporation (OAR).
 *
 *  Permission to use, copy, modify, and distribute this software for any
 *  purpose without fee is hereby granted, provided that this entire notice
 *  is included in all copies of any software which is or includes a copy
 *  or modification of this software.
 *
 *  THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED
 *  WARRANTY.  IN PARTICULAR,  THE AUTHOR MAKES NO REPRESENTATION
 *  OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY OF THIS
 *  SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE.
 *
 *  $Id$
 */


#ifndef _SYS_SCHED_H_
#define _SYS_SCHED_H_

#include <sys/_timespec.h>

#ifdef __cplusplus
extern "C" {
#endif

/* Scheduling Policies */
/* Open Group Specifications Issue 6 */
#if defined(__CYGWIN__)
#define SCHED_OTHER    3
#else
#define SCHED_OTHER    0
#endif

#define SCHED_FIFO     1
#define SCHED_RR       2

#if defined(_POSIX_SPORADIC_SERVER)
#define SCHED_SPORADIC 4
#endif

/* Scheduling Parameters */
/* Open Group Specifications Issue 6 */

struct sched_param {
  int sched_priority;           /* Process execution scheduling priority */

#if defined(_POSIX_SPORADIC_SERVER) || defined(_POSIX_THREAD_SPORADIC_SERVER)
  int sched_ss_low_priority;    /* Low scheduling priority for sporadic */
                                /*   server */
  struct timespec sched_ss_repl_period;
                                /* Replenishment period for sporadic server */
  struct timespec sched_ss_init_budget;
                               /* Initial budget for sporadic server */
  int sched_ss_max_repl;       /* Maximum pending replenishments for */
                               /* sporadic server */
#endif
};

int sched_yield( void );

#ifdef __cplusplus
}
#endif

#endif
/* end of include file */

