gitweb.dragonflybsd.org Git - dragonfly.git/blame_incremental

... / ...

Commit	Line	Data
	1	/*
	2	* Copyright (c) 1982, 1986, 1993
	3	* The Regents of the University of California. All rights reserved.
	4	*
	5	* Redistribution and use in source and binary forms, with or without
	6	* modification, are permitted provided that the following conditions
	7	* are met:
	8	* 1. Redistributions of source code must retain the above copyright
	9	* notice, this list of conditions and the following disclaimer.
	10	* 2. Redistributions in binary form must reproduce the above copyright
	11	* notice, this list of conditions and the following disclaimer in the
	12	* documentation and/or other materials provided with the distribution.
	13	* 3. All advertising materials mentioning features or use of this software
	14	* must display the following acknowledgement:
	15	* This product includes software developed by the University of
	16	* California, Berkeley and its contributors.
	17	* 4. Neither the name of the University nor the names of its contributors
	18	* may be used to endorse or promote products derived from this software
	19	* without specific prior written permission.
	20	*
	21	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	22	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	23	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	24	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	25	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	26	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	27	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	28	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	29	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	30	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	31	* SUCH DAMAGE.
	32	*
	33	* @(#)resource.h 8.4 (Berkeley) 1/9/95
	34	* $FreeBSD: src/sys/sys/resource.h,v 1.12.2.2 2002/08/20 18:42:20 dillon Exp $
	35	* $DragonFly: src/sys/sys/resource.h,v 1.8 2004/07/27 19:18:50 drhodus Exp $
	36	*/
	37
	38	#ifndef _SYS_RESOURCE_H_
	39	#define _SYS_RESOURCE_H_
	40
	41	/*
	42	* Process priority specifications to get/setpriority.
	43	*/
	44	#define PRIO_MIN -20
	45	#define PRIO_MAX 20
	46
	47	#define PRIO_PROCESS 0
	48	#define PRIO_PGRP 1
	49	#define PRIO_USER 2
	50
	51	/*
	52	* Resource utilization information.
	53	*/
	54
	55	#define RUSAGE_SELF 0
	56	#define RUSAGE_CHILDREN -1
	57
	58	struct rusage {
	59	struct timeval ru_utime; /* user time used */
	60	struct timeval ru_stime; /* system time used */
	61	long ru_maxrss; /* max resident set size */
	62	#define ru_first ru_ixrss
	63	long ru_ixrss; /* integral shared memory size */
	64	long ru_idrss; /* integral unshared data " */
	65	long ru_isrss; /* integral unshared stack " */
	66	long ru_minflt; /* page reclaims */
	67	long ru_majflt; /* page faults */
	68	long ru_nswap; /* swaps */
	69	long ru_inblock; /* block input operations */
	70	long ru_oublock; /* block output operations */
	71	long ru_msgsnd; /* messages sent */
	72	long ru_msgrcv; /* messages received */
	73	long ru_nsignals; /* signals received */
	74	long ru_nvcsw; /* voluntary context switches */
	75	long ru_nivcsw; /* involuntary " */
	76	#define ru_last ru_nivcsw
	77	};
	78
	79	/*
	80	* Resource limits
	81	*/
	82	#define RLIMIT_CPU 0 /* cpu time in milliseconds */
	83	#define RLIMIT_FSIZE 1 /* maximum file size */
	84	#define RLIMIT_DATA 2 /* data size */
	85	#define RLIMIT_STACK 3 /* stack size */
	86	#define RLIMIT_CORE 4 /* core file size */
	87	#define RLIMIT_RSS 5 /* resident set size */
	88	#define RLIMIT_MEMLOCK 6 /* locked-in-memory address space */
	89	#define RLIMIT_NPROC 7 /* number of processes */
	90	#define RLIMIT_NOFILE 8 /* number of open files */
	91	#define RLIMIT_SBSIZE 9 /* maximum size of all socket buffers */
	92	#define RLIMIT_VMEM 10 /* virtual process size (inclusive of mmap) */
	93	#define RLIMIT_POSIXLOCKS 11 /* maximum number of POSIX locks per user */
	94
	95	#define RLIM_NLIMITS 12 /* number of resource limits */
	96
	97	#define RLIM_INFINITY ((rlim_t)(((u_quad_t)1 << 63) - 1))
	98
	99
	100	/*
	101	* Resource limit string identifiers
	102	*/
	103
	104	#ifdef _RLIMIT_IDENT
	105	static char *rlimit_ident[] = {
	106	"cpu",
	107	"fsize",
	108	"data",
	109	"stack",
	110	"core",
	111	"rss",
	112	"memlock",
	113	"nproc",
	114	"nofile",
	115	"sbsize",
	116	"vmem",
	117	"posixlock",
	118	};
	119	#endif
	120
	121	struct orlimit {
	122	int32_t rlim_cur; /* current (soft) limit */
	123	int32_t rlim_max; /* maximum value for rlim_cur */
	124	};
	125
	126	struct rlimit {
	127	rlim_t rlim_cur; /* current (soft) limit */
	128	rlim_t rlim_max; /* maximum value for rlim_cur */
	129	};
	130
	131	/* Load average structure. */
	132	struct loadavg {
	133	fixpt_t ldavg[3];
	134	long fscale;
	135	};
	136
	137	#ifdef _KERNEL
	138	extern struct loadavg averunnable;
	139
	140	int dosetrlimit (u_int which, struct rlimit *limp);
	141
	142	#else
	143	#include <sys/cdefs.h>
	144
	145	__BEGIN_DECLS
	146	int getpriority (int, int);
	147	int getrlimit (int, struct rlimit *);
	148	int getrusage (int, struct rusage *);
	149	int setpriority (int, int, int);
	150	int setrlimit (int, const struct rlimit *);
	151	__END_DECLS
	152
	153	#endif /* _KERNEL */
	154	#endif /* !_SYS_RESOURCE_H_ */