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Add a POSIX sched header. pthread_yield() in draft 4 becomes

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sched_yield() in the final draft (10). This header contains the
prototype. Other things in here are "future".
This commit is contained in:
John Birrell 1998-03-08 02:17:26 +00:00
parent 3d1442be99
commit dc79e6f23b
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=34223
2 changed files with 75 additions and 2 deletions
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5
include/Makefile
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@ -1,5 +1,5 @@
# From: @(#)Makefile 8.2 (Berkeley) 1/4/94
# $Id: Makefile,v 1.72 1998/02/13 03:10:26 bde Exp $
# $Id: Makefile,v 1.73 1998/03/04 10:23:23 dufault Exp $
#
# Doing a make install builds /usr/include
#
@ -16,7 +16,8 @@ FILES= a.out.h ar.h assert.h bitstring.h ctype.h db.h dirent.h disktab.h \
kvm.h limits.h link.h locale.h malloc.h memory.h mpool.h \
ndbm.h netdb.h nl_types.h nlist.h \
paths.h pthread.h pthread_np.h pwd.h \
ranlib.h regex.h regexp.h resolv.h rune.h runetype.h setjmp.h sgtty.h \
ranlib.h regex.h regexp.h resolv.h rune.h runetype.h sched.h setjmp.h \
sgtty.h \
signal.h stab.h stddef.h stdio.h stdlib.h string.h stringlist.h \
strings.h struct.h sysexits.h tar.h time.h timers.h ttyent.h unistd.h \
utime.h utmp.h vis.h

72
include/sched.h Normal file
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/*
* Copyright (c) 1998 John Birrell <jb@cimlogic.com.au>.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by John Birrell.
* 4. Neither the name of the author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id$
*
* POSIX 1003.1c scheduling definitions.
*
*/
#ifndef _SCHED_H_
#define _SCHED_H_
#include <sys/cdefs.h>
#include <sys/types.h>
#include <time.h>
/*
* Scheduling policies (unimplemented)
*/
#define SCHED_FIFO 0 /* First in-first out scheduling policy. */
#define SCHED_RR 1 /* Round robin scheduling policy. */
#define SCHED_OTHER 2 /* Another scheduling policy. */
/*
* POSIX 1003.1 scheduling parameter structure.
*/
struct sched_param {
int sched_priority; /* Process execution scheduling priority. */
};
/*
* Scheduling function prototype definitions.
*/
__BEGIN_DECLS
int sched_getparam __P((pid_t, const struct sched_param *));
int sched_getscheduler __P((pid_t));
int sched_get_priority_max __P((int));
int sched_get_priority_min __P((int));
int sched_rr_get_interval __P((pid_t, struct timespec *));
int sched_setparam __P((pid_t, const struct sched_param *));
int sched_setscheduler __P((pid_t, int, const struct sched_param *));
int sched_yield __P((void));
__END_DECLS
#endif /* _SCHED_H_ */