user.h revision 83366
1/* 2 * Copyright (c) 1982, 1986, 1989, 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 * @(#)user.h 8.2 (Berkeley) 9/23/93 34 * $FreeBSD: head/sys/sys/user.h 83366 2001-09-12 08:38:13Z julian $ 35 */ 36 37#ifndef _SYS_USER_H_ 38#define _SYS_USER_H_ 39 40#include <machine/pcb.h> 41#ifndef _KERNEL 42/* stuff that *used* to be included by user.h, or is now needed */ 43#include <sys/errno.h> 44#include <sys/time.h> 45#include <sys/resource.h> 46#include <sys/ucred.h> 47#include <sys/uio.h> 48#include <sys/_lock.h> 49#include <sys/_mutex.h> 50#include <sys/proc.h> 51#include <vm/vm.h> /* XXX */ 52#include <vm/vm_param.h> /* XXX */ 53#include <vm/pmap.h> /* XXX */ 54#include <vm/vm_map.h> /* XXX */ 55#endif /* !_KERNEL */ 56#ifndef _SYS_RESOURCEVAR_H_ 57#include <sys/resourcevar.h> 58#endif 59#ifndef _SYS_SIGNALVAR_H_ 60#include <sys/signalvar.h> 61#endif 62 63/* 64 * KERN_PROC subtype ops return arrays of selected proc structure entries: 65 * 66 * When adding new fields to this structure, ALWAYS add them at the end 67 * and decrease the size of the spare field by the amount of space that 68 * you are adding. Byte aligned data should be added to the ki_sparestring 69 * space; other entries should be added to the ki_spare space. Always 70 * verify that sizeof(struct kinfo_proc) == KINFO_PROC_SIZE when you are 71 * done. If you change the size of this structure, many programs will stop 72 * working! Once you have added the new field, you will need to add code 73 * to initialize it in two places: kern/kern_proc.c in the function 74 * fill_kinfo_proc and in lib/libkvm/kvm_proc.c in the function kvm_proclist. 75 */ 76#ifdef __alpha__ 77#define KINFO_PROC_SIZE 912 /* the correct size for kinfo_proc */ 78#endif 79#ifdef __ia64__ 80#define KINFO_PROC_SIZE 888 81#endif 82#ifdef __i386__ 83#define KINFO_PROC_SIZE 648 /* the correct size for kinfo_proc */ 84#endif 85#ifdef __powerpc__ 86#define KINFO_PROC_SIZE 656 87#endif 88#ifdef __sparc64__ 89#define KINFO_PROC_SIZE 888 90#endif 91#ifndef KINFO_PROC_SIZE 92#error "Unknown architecture" 93#endif 94#define WMESGLEN 8 /* size of returned wchan message */ 95#define MTXNAMELEN 8 /* size of returned mutex name */ 96#define OCOMMLEN 16 /* size of returned ki_ocomm name */ 97#define COMMLEN 19 /* size of returned ki_comm name */ 98#define KI_NGROUPS 16 /* number of groups in ki_groups */ 99#define LOGNAMELEN 17 /* size of returned ki_login */ 100 101struct kinfo_proc { 102 int ki_structsize; /* size of this structure */ 103 int ki_layout; /* reserved: layout identifier */ 104 struct pargs *ki_args; /* address of command arguments */ 105 struct proc *ki_paddr; /* address of proc */ 106 struct user *ki_addr; /* kernel virtual addr of u-area */ 107 struct vnode *ki_tracep; /* pointer to trace file */ 108 struct vnode *ki_textvp; /* pointer to executable file */ 109 struct filedesc *ki_fd; /* pointer to open file info */ 110 struct vmspace *ki_vmspace; /* pointer to kernel vmspace struct */ 111 void *ki_wchan; /* sleep address */ 112 pid_t ki_pid; /* Process identifier */ 113 pid_t ki_ppid; /* parent process id */ 114 pid_t ki_pgid; /* process group id */ 115 pid_t ki_tpgid; /* tty process group id */ 116 pid_t ki_sid; /* Process session ID */ 117 pid_t ki_tsid; /* Terminal session ID */ 118 short ki_jobc; /* job control counter */ 119 udev_t ki_tdev; /* controlling tty dev */ 120 sigset_t ki_siglist; /* Signals arrived but not delivered */ 121 sigset_t ki_sigmask; /* Current signal mask */ 122 sigset_t ki_sigignore; /* Signals being ignored */ 123 sigset_t ki_sigcatch; /* Signals being caught by user */ 124 uid_t ki_uid; /* effective user id */ 125 uid_t ki_ruid; /* Real user id */ 126 uid_t ki_svuid; /* Saved effective user id */ 127 gid_t ki_rgid; /* Real group id */ 128 gid_t ki_svgid; /* Saved effective group id */ 129 short ki_ngroups; /* number of groups */ 130 gid_t ki_groups[KI_NGROUPS]; /* groups */ 131 vm_size_t ki_size; /* virtual size */ 132 segsz_t ki_rssize; /* current resident set size in pages */ 133 segsz_t ki_swrss; /* resident set size before last swap */ 134 segsz_t ki_tsize; /* text size (pages) XXX */ 135 segsz_t ki_dsize; /* data size (pages) XXX */ 136 segsz_t ki_ssize; /* stack size (pages) */ 137 u_short ki_xstat; /* Exit status for wait & stop signal */ 138 u_short ki_acflag; /* Accounting flags */ 139 fixpt_t ki_pctcpu; /* %cpu for process during ki_swtime */ 140 u_int ki_estcpu; /* Time averaged value of ki_cpticks */ 141 u_int ki_slptime; /* Time since last blocked */ 142 u_int ki_swtime; /* Time swapped in or out */ 143 u_int64_t ki_runtime; /* Real time in microsec */ 144 struct timeval ki_start; /* starting time */ 145 struct timeval ki_childtime; /* time used by process children */ 146 long ki_flag; /* P_* flags */ 147 long ki_kiflag; /* KI_* flags (below) */ 148 int ki_traceflag; /* Kernel trace points */ 149 char ki_stat; /* S* process status */ 150 char ki_nice; /* Process "nice" value */ 151 char ki_lock; /* Process lock (prevent swap) count */ 152 char ki_rqindex; /* Run queue index */ 153 u_char ki_oncpu; /* Which cpu we are on */ 154 u_char ki_lastcpu; /* Last cpu we were on */ 155 char ki_ocomm[OCOMMLEN+1]; /* command name */ 156 char ki_wmesg[WMESGLEN+1]; /* wchan message */ 157 char ki_login[LOGNAMELEN+1]; /* setlogin name */ 158 char ki_mtxname[MTXNAMELEN+1]; /* mutex name */ 159 char ki_comm[COMMLEN+1]; /* command name */ 160 char ki_sparestrings[85]; /* spare string space */ 161 struct rusage ki_rusage; /* process rusage statistics */ 162 long ki_sflag; /* PS_* flags */ 163 struct priority ki_pri; /* process priority */ 164 long ki_tdflags; /* XXXKSE kthread flag */ 165 struct pcb *ki_pcb; /* kernel virtual addr of pcb */ 166 void *ki_kstack; /* kernel virtual addr of stack */ 167 long ki_spare[22]; /* spare constants */ 168}; 169void fill_kinfo_proc __P((struct proc *, struct kinfo_proc *)); 170 171/* ki_sessflag values */ 172#define KI_CTTY 0x00000001 /* controlling tty vnode active */ 173#define KI_SLEADER 0x00000002 /* session leader */ 174#define KI_MTXBLOCK 0x00000004 /* proc blocked on mutex ki_mtxname */ 175 176/* 177 * Per process structure containing data that isn't needed in core 178 * when the process isn't running (esp. when swapped out). 179 * This structure may or may not be at the same kernel address 180 * in all processes. 181 */ 182 183struct user { 184 struct sigacts u_sigacts; /* *p_sigacts */ 185 struct pstats u_stats; /* *p_stats */ 186 /* 187 * Remaining fields only for 188 * core dump and/or ptrace-- 189 * not valid at other times! 190 */ 191 struct kinfo_proc u_kproc; /* eproc */ 192 struct md_coredump u_md; /* glop */ 193}; 194 195#endif 196