/*-
* SPDX-License-Identifier: BSD-3-Clause
*
* Copyright (c) 1982, 1986, 1993
* The Regents of the University of California. 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. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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.
*
* @(#)resource.h 8.4 (Berkeley) 1/9/95
* $FreeBSD$
*/
#ifndef _SYS_RESOURCE_H_
#define _SYS_RESOURCE_H_
#include <sys/cdefs.h>
#include <sys/_timeval.h>
#include <sys/_types.h>
#ifndef _ID_T_DECLARED
typedef __id_t id_t;
#define _ID_T_DECLARED
#endif
#ifndef _RLIM_T_DECLARED
typedef __rlim_t rlim_t;
#define _RLIM_T_DECLARED
#endif
/*
* 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.
*
* All fields are only modified by curthread and
* no locks are required to read.
*/
#define RUSAGE_SELF 0
#define RUSAGE_CHILDREN -1
#define RUSAGE_THREAD 1
struct rusage {
struct timeval ru_utime; /* user time used */
struct timeval ru_stime; /* system time used */
long ru_maxrss; /* max resident set size */
#define ru_first ru_ixrss
long ru_ixrss; /* integral shared memory size */
long ru_idrss; /* integral unshared data " */
long ru_isrss; /* integral unshared stack " */
long ru_minflt; /* page reclaims */
long ru_majflt; /* page faults */
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
};
#if __BSD_VISIBLE
struct __wrusage {
struct rusage wru_self;
struct rusage wru_children;
};
#endif
/*
* Resource limits
*/
#define RLIMIT_CPU 0 /* maximum cpu time in seconds */
#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 RLIMIT_MEMLOCK 6 /* locked-in-memory address space */
#define RLIMIT_NPROC 7 /* number of processes */
#define RLIMIT_NOFILE 8 /* number of open files */
#define RLIMIT_SBSIZE 9 /* maximum size of all socket buffers */
#define RLIMIT_VMEM 10 /* virtual process size (incl. mmap) */
#define RLIMIT_AS RLIMIT_VMEM /* standard name for RLIMIT_VMEM */
#define RLIMIT_NPTS 11 /* pseudo-terminals */
#define RLIMIT_SWAP 12 /* swap used */
#define RLIMIT_KQUEUES 13 /* kqueues allocated */
#define RLIMIT_UMTXP 14 /* process-shared umtx */
#define RLIM_NLIMITS 15 /* number of resource limits */
#define RLIM_INFINITY ((rlim_t)(((__uint64_t)1 << 63) - 1))
#define RLIM_SAVED_MAX RLIM_INFINITY
#define RLIM_SAVED_CUR RLIM_INFINITY
/*
* Resource limit string identifiers
*/
#ifdef _RLIMIT_IDENT
static const char *rlimit_ident[RLIM_NLIMITS] = {
"cpu",
"fsize",
"data",
"stack",
"core",
"rss",
"memlock",
"nproc",
"nofile",
"sbsize",
"vmem",
"npts",
"swap",
"kqueues",
"umtx",
};
#endif
struct rlimit {
rlim_t rlim_cur; /* current (soft) limit */
rlim_t rlim_max; /* maximum value for rlim_cur */
};
#if __BSD_VISIBLE
struct orlimit {
__int32_t rlim_cur; /* current (soft) limit */
__int32_t rlim_max; /* maximum value for rlim_cur */
};
struct loadavg {
__fixpt_t ldavg[3];
long fscale;
};
#define CP_USER 0
#define CP_NICE 1
#define CP_SYS 2
#define CP_INTR 3
#define CP_IDLE 4
#define CPUSTATES 5
#endif /* __BSD_VISIBLE */
#ifdef _KERNEL
extern struct loadavg averunnable;
void read_cpu_time(long *cp_time); /* Writes array of CPUSTATES */
#else
__BEGIN_DECLS
/* XXX 2nd arg to [gs]etpriority() should be an id_t */
int getpriority(int, int);
int getrlimit(int, struct rlimit *);
int getrusage(int, struct rusage *);
int setpriority(int, int, int);
int setrlimit(int, const struct rlimit *);
__END_DECLS
#endif /* _KERNEL */
#endif /* !_SYS_RESOURCE_H_ */
