resourcevar.h revision 1817
1129473Spjd/* 2142727Spjd * Copyright (c) 1991, 1993 3129473Spjd * The Regents of the University of California. All rights reserved. 4129473Spjd * 5129473Spjd * Redistribution and use in source and binary forms, with or without 6129473Spjd * modification, are permitted provided that the following conditions 7129473Spjd * are met: 8129473Spjd * 1. Redistributions of source code must retain the above copyright 9129473Spjd * notice, this list of conditions and the following disclaimer. 10129473Spjd * 2. Redistributions in binary form must reproduce the above copyright 11129473Spjd * notice, this list of conditions and the following disclaimer in the 12129473Spjd * documentation and/or other materials provided with the distribution. 13155174Spjd * 3. All advertising materials mentioning features or use of this software 14129473Spjd * must display the following acknowledgement: 15129473Spjd * This product includes software developed by the University of 16129473Spjd * California, Berkeley and its contributors. 17129473Spjd * 4. Neither the name of the University nor the names of its contributors 18129473Spjd * may be used to endorse or promote products derived from this software 19129473Spjd * without specific prior written permission. 20129473Spjd * 21129473Spjd * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22129473Spjd * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23129473Spjd * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24129473Spjd * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25129473Spjd * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26129473Spjd * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27129473Spjd * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28129473Spjd * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29129473Spjd * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30129473Spjd * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31129473Spjd * SUCH DAMAGE. 32129473Spjd * 33129473Spjd * @(#)resourcevar.h 8.3 (Berkeley) 2/22/94 34129473Spjd * $Id$ 35129473Spjd */ 36129473Spjd 37129473Spjd#ifndef _SYS_RESOURCEVAR_H_ 38129473Spjd#define _SYS_RESOURCEVAR_H_ 39131878Spjd 40129473Spjd/* 41129473Spjd * Kernel per-process accounting / statistics 42129473Spjd * (not necessarily resident except when running). 43129473Spjd */ 44151897Srwatsonstruct pstats { 45129473Spjd#define pstat_startzero p_ru 46131878Spjd struct rusage p_ru; /* stats for this proc */ 47129473Spjd struct rusage p_cru; /* sum of stats for reaped children */ 48129473Spjd#define pstat_endzero pstat_startcopy 49129473Spjd 50129473Spjd#define pstat_startcopy p_timer 51129473Spjd struct itimerval p_timer[3]; /* virtual-time timers */ 52129473Spjd 53129473Spjd struct uprof { /* profile arguments */ 54129473Spjd caddr_t pr_base; /* buffer base */ 55131878Spjd u_long pr_size; /* buffer size */ 56131878Spjd u_long pr_off; /* pc offset */ 57129473Spjd u_long pr_scale; /* pc scaling */ 58129473Spjd u_long pr_addr; /* temp storage for addr until AST */ 59129473Spjd u_long pr_ticks; /* temp storage for ticks until AST */ 60133318Sphk } p_prof; 61129473Spjd#define pstat_endcopy p_start 62129473Spjd struct timeval p_start; /* starting time */ 63131878Spjd}; 64131878Spjd 65131878Spjd/* 66129473Spjd * Kernel shareable process resource limits. Because this structure 67129473Spjd * is moderately large but changes infrequently, it is normally 68131878Spjd * shared copy-on-write after forks. If a group of processes 69131878Spjd * ("threads") share modifications, the PL_SHAREMOD flag is set, 70131878Spjd * and a copy must be made for the child of a new fork that isn't 71134528Spjd * sharing modifications to the limits. 72131878Spjd */ 73131878Spjdstruct plimit { 74138623Spjd struct rlimit pl_rlimit[RLIM_NLIMITS]; 75131878Spjd#define PL_SHAREMOD 0x01 /* modifications are shared */ 76131878Spjd int p_lflags; 77131878Spjd int p_refcnt; /* number of references */ 78131878Spjd}; 79131878Spjd 80129473Spjd/* add user profiling from AST */ 81131878Spjd#define ADDUPROF(p) \ 82170289Sdwmalone addupc_task(p, \ 83131878Spjd (p)->p_stats->p_prof.pr_addr, (p)->p_stats->p_prof.pr_ticks) 84131878Spjd 85131878Spjd#ifdef KERNEL 86131878Spjdvoid addupc_intr __P((struct proc *p, u_long pc, u_int ticks)); 87131878Spjdvoid addupc_task __P((struct proc *p, u_long pc, u_int ticks)); 88132095Spjdstruct plimit 89196837Smav *limcopy __P((struct plimit *lim)); 90131878Spjd#endif 91131878Spjd#endif /* !_SYS_RESOURCEVAR_H_ */ 92132095Spjd