[unix-history] / usr / src / sys.386bsd / sys / resourcevar.h

/*
 * Copyright (c) 1991 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. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. 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.
 *
 *	@(#)resourcevar.h	7.1 (Berkeley) 5/9/91
 */

#ifndef	_RESOURCEVAR_H_		/* tmp for user.h */
#define	_RESOURCEVAR_H_

/*
 * Kernel per-process accounting / statistics
 * (not necessarily resident except when running).
 */
struct pstats {
#define	pstat_startzero	p_ru
	struct	rusage p_ru;		/* stats for this proc */
	struct	rusage p_cru;		/* sum of stats for reaped children */
#define	pstat_endzero	pstat_startcopy

#define	pstat_startcopy	p_timer
	struct	itimerval p_timer[3];	/* virtual-time timers */

	struct uprof {			/* profile arguments */
		short	*pr_base;	/* buffer base */
		unsigned pr_size;	/* buffer size */
		unsigned pr_off;	/* pc offset */
		unsigned pr_scale;	/* pc scaling */
	} p_prof;
#define	pstat_endcopy	p_start
	struct	timeval p_start;	/* starting time */
};

void addupc(int, struct uprof *, int);	/* process profiling */ 

/*
 * Kernel shareable process resource limits.  Because this structure
 * is moderately large but changes infrequently, it is normally
 * shared copy-on-write after forks.  If a group of processes
 * ("threads") share modifications, the PL_SHAREMOD flag is set,
 * and a copy must be made for the child of a new fork that isn't
 * sharing modifications to the limits.
 */
struct plimit {
	struct	rlimit pl_rlimit[RLIM_NLIMITS];
	int	p_lflags;		/* below */
	int	p_refcnt;		/* number of references */
};

/* pl_lflags: */
#define	PL_SHAREMOD	0x01		/* modifications are shared */

/* make copy of plimit structure */
struct	plimit *limcopy __P((struct plimit *lim));
#endif	/* !_RESOURCEVAR_H_ */
Commit	Line	Data
a7c0c1d3 WJ	1	/*
	2	* Copyright (c) 1991 The Regents of the University of California.
	3	* 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	* @(#)resourcevar.h 7.1 (Berkeley) 5/9/91
	34	*/
	35
	36	#ifndef _RESOURCEVAR_H_ /* tmp for user.h */
	37	#define _RESOURCEVAR_H_
	38
	39	/*
	40	* Kernel per-process accounting / statistics
	41	* (not necessarily resident except when running).
	42	*/
	43	struct pstats {
	44	#define pstat_startzero p_ru
	45	struct rusage p_ru; /* stats for this proc */
	46	struct rusage p_cru; /* sum of stats for reaped children */
	47	#define pstat_endzero pstat_startcopy
	48
	49	#define pstat_startcopy p_timer
	50	struct itimerval p_timer[3]; /* virtual-time timers */
	51
	52	struct uprof { /* profile arguments */
	53	short pr_base; / buffer base */
	54	unsigned pr_size; /* buffer size */
	55	unsigned pr_off; /* pc offset */
	56	unsigned pr_scale; /* pc scaling */
	57	} p_prof;
	58	#define pstat_endcopy p_start
	59	struct timeval p_start; /* starting time */
	60	};
	61
	62	void addupc(int, struct uprof , int); / process profiling */
	63
	64	/*
65	* Kernel shareable process resource limits. Because this structure
66	* is moderately large but changes infrequently, it is normally
67	* shared copy-on-write after forks. If a group of processes
68	* ("threads") share modifications, the PL_SHAREMOD flag is set,
69	* and a copy must be made for the child of a new fork that isn't
70	* sharing modifications to the limits.
71	*/
72	struct plimit {
73	struct rlimit pl_rlimit[RLIM_NLIMITS];
74	int p_lflags; /* below */
75	int p_refcnt; /* number of references */
76	};
77
78	/* pl_lflags: */
79	#define PL_SHAREMOD 0x01 /* modifications are shared */
80
81	/* make copy of plimit structure */
82	struct plimit limcopy __P((struct plimit lim));
83	#endif /* !_RESOURCEVAR_H_ */