109 lines
2.9 KiB
C
109 lines
2.9 KiB
C
/* @(#)59 1.10 src/bos/kernel/sys/resource.h, sysproc, bos411, 9428A410j 12/7/93 18:41:13 */
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/*
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* COMPONENT_NAME: SYSPROC
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*
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* FUNCTIONS:
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*
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* ORIGINS: 26,27
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*
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*
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* (C) COPYRIGHT International Business Machines Corp. 1988,1993
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* All Rights Reserved
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* Licensed Materials - Property of IBM
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* US Government Users Restricted Rights - Use, duplication or
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* disclosure restricted by GSA ADP Schedule Contract with IBM Corp.
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*
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* Copyright (c) 1982, 1986 Regents of the University of California.
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* All rights reserved. The Berkeley software License Agreement
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* specifies the terms and conditions for redistribution.
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*
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* (#)resource.h 7.1 (Berkeley) 6/4/86
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*
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* Function:
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* The rusage structure is included into both the proc
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* structure and the user structure. The rlimit structure is
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* included into the user structure only. The rusage and rlimit
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* structures exist to keep an accounting of resources on a per
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* process basis.
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*
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*/
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#ifndef _H_RESOURCE
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#define _H_RESOURCE
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#include <sys/time.h>
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/*
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* Process priority specifications to get/setpriority.
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*/
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#define PRIO_MIN -20
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#define PRIO_MAX 20
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#define PRIO_PROCESS 0
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#define PRIO_PGRP 1
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#define PRIO_USER 2
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/*
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* Resource utilization information.
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*/
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#define RUSAGE_SELF 0
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#define RUSAGE_CHILDREN -1
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struct rusage {
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struct timeval ru_utime; /* user time used */
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struct timeval ru_stime; /* system time used */
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long ru_maxrss;
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#define ru_first ru_ixrss
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long ru_ixrss; /* integral shared memory size */
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long ru_idrss; /* integral unshared data " */
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long ru_isrss; /* integral unshared stack " */
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long ru_minflt; /* page reclaims */
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long ru_majflt; /* page faults */
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long ru_nswap; /* swaps */
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long ru_inblock; /* block input operations */
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long ru_oublock; /* block output operations */
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long ru_msgsnd; /* messages sent */
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long ru_msgrcv; /* messages received */
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long ru_nsignals; /* signals received */
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long ru_nvcsw; /* voluntary context switches */
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long ru_nivcsw; /* involuntary " */
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#define ru_last ru_nivcsw
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};
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/*
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* Resource limits
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*/
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#define RLIMIT_CPU 0 /* cpu time in milliseconds */
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#define RLIMIT_FSIZE 1 /* maximum file size */
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#define RLIMIT_DATA 2 /* data size */
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#define RLIMIT_STACK 3 /* stack size */
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#define RLIMIT_CORE 4 /* core file size */
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#define RLIMIT_RSS 5 /* resident set size */
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#define RLIM_NLIMITS 6 /* number of resource limits */
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#define RLIM_INFINITY 0x7fffffff
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struct rlimit {
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int rlim_cur; /* current (soft) limit */
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int rlim_max; /* maximum value for rlim_cur */
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};
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#ifndef _KERNEL
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#ifdef _NO_PROTO
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extern int getpriority();
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extern int getrlimit();
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extern int getrusage();
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extern int setpriority();
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extern int setrlimit();
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#else
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extern int getpriority(int, int);
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extern int getrlimit(int, struct rlimit *);
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extern int getrusage(int, struct rusage *);
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extern int setpriority(int, int, int);
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extern int setrlimit(int, const struct rlimit *);
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#endif /* _NO_PROTO */
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#endif /* _KERNEL */
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#endif /* _H_RESOURCE */
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