newlib-cygwin/newlib/libc/include/sys/sched.h

66 lines
1.7 KiB
C

/*
* Written by Joel Sherrill <joel@OARcorp.com>.
*
* COPYRIGHT (c) 1989-2000.
* 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 __POSIX_SYS_SCHEDULING_h
#define __POSIX_SYS_SCHEDULING_h
#ifdef __cplusplus
extern "C" {
#endif
#include <sys/unistd.h>
#include <sys/types.h>
#include <sys/time.h>
/* Scheduling Policies, P1003.1b-1993, p. 250
NOTE: SCHED_SPORADIC added by P1003.4b/D8, p. 34. */
#define SCHED_OTHER 0
#define SCHED_FIFO 1
#define SCHED_RR 2
#if defined(_POSIX_SPORADIC_SERVER)
#define SCHED_SPORADIC 3
#endif
/* Scheduling Parameters, P1003.1b-1993, p. 249
NOTE: Fields whose name begins with "ss_" added by P1003.4b/D8, p. 33. */
struct sched_param {
int sched_priority; /* Process execution scheduling priority */
#if defined(_POSIX_SPORADIC_SERVER)
int ss_low_priority; /* Low scheduling priority for sporadic */
/* server */
struct timespec ss_replenish_period;
/* Replenishment period for sporadic server */
struct timespec ss_initial_budget; /* Initial budget for sporadic server */
#endif
};
#ifdef __cplusplus
}
#endif
#endif
/* end of include file */