1 /* $OpenBSD: resourcevar.h,v 1.7 2003/06/02 23:28:21 millert Exp $ */ 2 /* $NetBSD: resourcevar.h,v 1.12 1995/11/22 23:01:53 cgd Exp $ */ 3 4 /* 5 * Copyright (c) 1991, 1993 6 * The Regents of the University of California. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. Neither the name of the University nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * @(#)resourcevar.h 8.3 (Berkeley) 2/22/94 33 */ 34 35 #ifndef _SYS_RESOURCEVAR_H_ 36 #define _SYS_RESOURCEVAR_H_ 37 38 /* 39 * Kernel per-process accounting / statistics 40 * (not necessarily resident except when running). 41 */ 42 struct pstats { 43 #define pstat_startzero p_ru 44 struct rusage p_ru; /* stats for this proc */ 45 struct rusage p_cru; /* sum of stats for reaped children */ 46 #define pstat_endzero pstat_startcopy 47 48 #define pstat_startcopy p_timer 49 struct itimerval p_timer[3]; /* virtual-time timers */ 50 51 struct uprof { /* profile arguments */ 52 caddr_t pr_base; /* buffer base */ 53 size_t pr_size; /* buffer size */ 54 u_long pr_off; /* pc offset */ 55 u_int pr_scale; /* pc scaling */ 56 u_long pr_addr; /* temp storage for addr until AST */ 57 } p_prof; 58 #define pstat_endcopy p_start 59 struct timeval p_start; /* starting time */ 60 }; 61 62 /* 63 * Kernel shareable process resource limits. Because this structure 64 * is moderately large but changes infrequently, it is normally 65 * shared copy-on-write after forks. If a group of processes 66 * ("threads") share modifications, the PL_SHAREMOD flag is set, 67 * and a copy must be made for the child of a new fork that isn't 68 * sharing modifications to the limits. 69 */ 70 struct plimit { 71 struct rlimit pl_rlimit[RLIM_NLIMITS]; 72 #define PL_SHAREMOD 0x01 /* modifications are shared */ 73 int p_lflags; 74 int p_refcnt; /* number of references */ 75 }; 76 77 /* add user profiling from AST */ 78 #define ADDUPROF(p) addupc_task((p), (p)->p_stats->p_prof.pr_addr, 1) 79 80 #ifdef _KERNEL 81 void addupc_intr(struct proc *p, u_long pc); 82 void addupc_task(struct proc *p, u_long pc, u_int ticks); 83 void calcru(struct proc *p, struct timeval *up, struct timeval *sp, 84 struct timeval *ip); 85 struct plimit *limcopy(struct plimit *lim); 86 void limfree(struct plimit *); 87 88 void ruadd(struct rusage *ru, struct rusage *ru2); 89 #endif 90 #endif /* !_SYS_RESOURCEVAR_H_ */ 91