1 /* 2 * Copyright (c) 1991, 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 * @(#)resourcevar.h 8.3 (Berkeley) 2/22/94 34 * $Id: resourcevar.h,v 1.2 1994/08/02 07:53:29 davidg Exp $ 35 */ 36 37 #ifndef _SYS_RESOURCEVAR_H_ 38 #define _SYS_RESOURCEVAR_H_ 39 40 /* 41 * Kernel per-process accounting / statistics 42 * (not necessarily resident except when running). 43 */ 44 struct pstats { 45 #define pstat_startzero p_ru 46 struct rusage p_ru; /* stats for this proc */ 47 struct rusage p_cru; /* sum of stats for reaped children */ 48 #define pstat_endzero pstat_startcopy 49 50 #define pstat_startcopy p_timer 51 struct itimerval p_timer[3]; /* virtual-time timers */ 52 53 struct uprof { /* profile arguments */ 54 caddr_t pr_base; /* buffer base */ 55 u_long pr_size; /* buffer size */ 56 u_long pr_off; /* pc offset */ 57 u_long pr_scale; /* pc scaling */ 58 u_long pr_addr; /* temp storage for addr until AST */ 59 u_long pr_ticks; /* temp storage for ticks until AST */ 60 } p_prof; 61 #define pstat_endcopy p_start 62 struct timeval p_start; /* starting time */ 63 }; 64 65 /* 66 * Kernel shareable process resource limits. Because this structure 67 * is moderately large but changes infrequently, it is normally 68 * shared copy-on-write after forks. If a group of processes 69 * ("threads") share modifications, the PL_SHAREMOD flag is set, 70 * and a copy must be made for the child of a new fork that isn't 71 * sharing modifications to the limits. 72 */ 73 struct plimit { 74 struct rlimit pl_rlimit[RLIM_NLIMITS]; 75 #define PL_SHAREMOD 0x01 /* modifications are shared */ 76 int p_lflags; 77 int p_refcnt; /* number of references */ 78 }; 79 80 /* add user profiling from AST */ 81 #define ADDUPROF(p) \ 82 addupc_task(p, \ 83 (p)->p_stats->p_prof.pr_addr, (p)->p_stats->p_prof.pr_ticks) 84 85 #ifdef KERNEL 86 void addupc_intr __P((struct proc *p, u_long pc, u_int ticks)); 87 void addupc_task __P((struct proc *p, u_long pc, u_int ticks)); 88 struct plimit 89 *limcopy __P((struct plimit *lim)); 90 void calcru __P((struct proc *p,struct timeval *up,struct timeval *sp,struct timeval *ip)); 91 #endif 92 #endif /* !_SYS_RESOURCEVAR_H_ */ 93