174 lines
4.9 KiB
C
174 lines
4.9 KiB
C
/*-
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* Copyright (c) 1982, 1986, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)resource.h 8.4 (Berkeley) 1/9/95
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* $FreeBSD$
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*/
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#ifndef _SYS_RESOURCE_H_
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#define _SYS_RESOURCE_H_
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#include <sys/cdefs.h>
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#include <sys/_timeval.h>
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#include <sys/_types.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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* Locking key:
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* c - locked by proc mtx
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* j - locked by sched_lock mtx
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* n - not locked, lazy
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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; /* (n) user time used */
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struct timeval ru_stime; /* (n) system time used */
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long ru_maxrss; /* (j) max resident set size */
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#define ru_first ru_ixrss
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long ru_ixrss; /* (j) integral shared memory size */
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long ru_idrss; /* (j) integral unshared data " */
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long ru_isrss; /* (j) integral unshared stack " */
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long ru_minflt; /* (c) page reclaims */
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long ru_majflt; /* (c) page faults */
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long ru_nswap; /* (c + j) swaps */
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long ru_inblock; /* (n) block input operations */
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long ru_oublock; /* (n) block output operations */
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long ru_msgsnd; /* (n) messages sent */
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long ru_msgrcv; /* (n) messages received */
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long ru_nsignals; /* (c) signals received */
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long ru_nvcsw; /* (j) voluntary context switches */
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long ru_nivcsw; /* (j) 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 /* maximum cpu time in seconds */
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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 RLIMIT_MEMLOCK 6 /* locked-in-memory address space */
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#define RLIMIT_NPROC 7 /* number of processes */
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#define RLIMIT_NOFILE 8 /* number of open files */
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#define RLIMIT_SBSIZE 9 /* maximum size of all socket buffers */
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#define RLIMIT_VMEM 10 /* virtual process size (inclusive of mmap) */
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#define RLIMIT_AS RLIMIT_VMEM /* standard name for RLIMIT_VMEM */
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#define RLIM_NLIMITS 11 /* number of resource limits */
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#define RLIM_INFINITY ((rlim_t)(((uint64_t)1 << 63) - 1))
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/* XXX Missing: RLIM_SAVED_MAX, RLIM_SAVED_CUR */
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/*
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* Resource limit string identifiers
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*/
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#ifdef _RLIMIT_IDENT
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static char *rlimit_ident[] = {
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"cpu",
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"fsize",
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"data",
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"stack",
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"core",
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"rss",
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"memlock",
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"nproc",
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"nofile",
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"sbsize",
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"vmem",
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};
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#endif
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#ifndef _RLIM_T_DECLARED
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typedef __rlim_t rlim_t;
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#define _RLIM_T_DECLARED
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#endif
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struct rlimit {
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rlim_t rlim_cur; /* current (soft) limit */
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rlim_t rlim_max; /* maximum value for rlim_cur */
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};
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#if __BSD_VISIBLE
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struct orlimit {
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__int32_t rlim_cur; /* current (soft) limit */
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__int32_t rlim_max; /* maximum value for rlim_cur */
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};
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struct loadavg {
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__fixpt_t ldavg[3];
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long fscale;
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};
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#define CP_USER 0
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#define CP_NICE 1
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#define CP_SYS 2
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#define CP_INTR 3
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#define CP_IDLE 4
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#define CPUSTATES 5
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#endif /* __BSD_VISIBLE */
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#ifdef _KERNEL
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extern struct loadavg averunnable;
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extern long cp_time[CPUSTATES];
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#else
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__BEGIN_DECLS
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/* XXX 2nd arg to [gs]etpriority() should be an id_t */
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int getpriority(int, int);
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int getrlimit(int, struct rlimit *);
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int getrusage(int, struct rusage *);
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int setpriority(int, int, int);
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int setrlimit(int, const struct rlimit *);
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__END_DECLS
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#endif /* _KERNEL */
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#endif /* !_SYS_RESOURCE_H_ */
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