69 lines
1.8 KiB
C
69 lines
1.8 KiB
C
/*
|
|
* 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_
|
|
|
|
#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 */
|
|
|