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/*
* Mach Operating System
* Copyright (c) 1989 Carnegie-Mellon University
* Copyright (c) 1988 Carnegie-Mellon University
* Copyright (c) 1987 Carnegie-Mellon University
* All rights reserved. The CMU software License Agreement specifies
* the terms and conditions for use and redistribution.
*/
/*
* HISTORY
* $Log: resource.h,v $
* 27-Sep-89 Morris Meyer (mmeyer) at NeXT
* Sun Bugfixes: 1009246 - Comments on some fields were wrong.
*
* Revision 2.7 89/03/09 22:07:10 rpd
* More cleanup.
*
* Revision 2.6 89/02/25 17:55:54 gm0w
* Made CMUCS conditionals always true.
* [89/02/14 mrt]
*
* Revision 2.5 88/10/11 12:08:31 rpd
* Added include of time.h since this file uses
* struct timeval.
* [88/10/11 11:41:22 rpd]
*
* Revision 2.4 88/08/24 02:41:41 mwyoung
* Adjusted include file references.
* [88/08/17 02:21:30 mwyoung]
*
* Revision 2.3 88/08/22 21:29:44 mja
* Add RUSAGE_NODEV definition.
* [88/08/11 19:18:02 mja]
*
* Revision 2.2 88/07/15 15:59:57 mja
* Condensed local conditionals.
*
* 06-Jan-88 Jay Kistler (jjk) at Carnegie Mellon University
* Made file reentrant. Added declarations for __STDC__.
*
* 28-Jan-87 Mike Accetta (mja) at Carnegie-Mellon University
* CMUCS: Defined new rusage_dev structure for special
* wait3() option;
* CMUCS: Added RPAUSE definitions.
* [ V5.1(F1) ]
*
*/
/*
* Copyright (c) 1982, 1986 Regents of the University of California.
* All rights reserved. The Berkeley software License Agreement
* specifies the terms and conditions for redistribution.
*
* @(#)resource.h 7.1 (Berkeley) 6/4/86
*/
#ifndef _SYS_RESOURCE_H_
#define _SYS_RESOURCE_H_
#ifdef ASSEMBLER
#else
#import <sys/time.h>
#import <sys/types.h>
/*
* Process priority specifications to get/setpriority.
*/
#define PRIO_MIN -20
#define PRIO_MAX 20
#define PRIO_PROCESS 0
#define PRIO_PGRP 1
#define PRIO_USER 2
/*
* Resource utilization information.
*/
#define RUSAGE_SELF 0
#define RUSAGE_CHILDREN -1
struct rusage {
struct timeval ru_utime; /* user time used */
struct timeval ru_stime; /* system time used */
long ru_maxrss;
#define ru_first ru_ixrss
long ru_ixrss; /* XXX: 0 */
long ru_idrss; /* XXX: sum of rm_asrss */
long ru_isrss; /* XXX: 0 */
long ru_minflt; /* any page faults not requiring I/O */
long ru_majflt; /* any page faults requiring I/O */
long ru_nswap; /* swaps */
long ru_inblock; /* block input operations */
long ru_oublock; /* block output operations */
long ru_msgsnd; /* messages sent */
long ru_msgrcv; /* messages received */
long ru_nsignals; /* signals received */
long ru_nvcsw; /* voluntary context switches */
long ru_nivcsw; /* involuntary " */
#define ru_last ru_nivcsw
};
/*
* Resource limits
*/
#define RLIMIT_CPU 0 /* cpu time in milliseconds */
#define RLIMIT_FSIZE 1 /* maximum file size */
#define RLIMIT_DATA 2 /* data size */
#define RLIMIT_STACK 3 /* stack size */
#define RLIMIT_CORE 4 /* core file size */
#define RLIMIT_RSS 5 /* resident set size */
#define RLIM_NLIMITS 6 /* number of resource limits */
#define RLIM_INFINITY 0x7fffffff
struct rlimit {
int rlim_cur; /* current (soft) limit */
int rlim_max; /* maximum value for rlim_cur */
};
/*
* Special rusage structure returned with WLOGINDEV option to wait3().
*/
struct rusage_dev {
struct rusage ru_rusage;
dev_t ru_dev;
};
#define RUSAGE_NODEV ((dev_t)-1) /* same as NODEV */
/*
* Resource pause system call definitions
*/
#define RPAUSE_SAME 0 /* leave state unchanged */
#define RPAUSE_DISABLE 1 /* disable pause on error type(s) */
#define RPAUSE_ENABLE 2 /* enable pause on error type(s) */
#define RPAUSE_ALL 0x7fffffff /* all error number types */
#if defined(__STDC__) && !defined(KERNEL)
extern int getpriority(int, int);
extern int setpriority(int, int, int);
extern int getrlimit(int, struct rlimit *);
extern int setrlimit(int, struct rlimit *);
extern int getrusage(int, struct rusage *);
#endif
#endif
#endif
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