user.h revision 50477
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 50477 1999-08-28 01:08:13Z peter $ 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/proc.h> 49#include <vm/vm.h> /* XXX */ 50#include <vm/vm_param.h> /* XXX */ 51#include <vm/pmap.h> /* XXX */ 52#include <sys/lock.h> /* XXX */ 53#include <vm/vm_map.h> /* XXX */ 54#endif /* !KERNEL */ 55#ifndef _SYS_RESOURCEVAR_H_ 56#include <sys/resourcevar.h> 57#endif 58#ifndef _SYS_SIGNALVAR_H_ 59#include <sys/signalvar.h> 60#endif 61 62/* 63 * KERN_PROC subtype ops return arrays of augmented proc structures: 64 */ 65struct kinfo_proc { 66 struct proc kp_proc; /* proc structure */ 67 struct eproc { 68 struct proc *e_paddr; /* address of proc */ 69 struct session *e_sess; /* session pointer */ 70 struct pcred e_pcred; /* process credentials */ 71 struct ucred e_ucred; /* current credentials */ 72 struct procsig e_procsig; /* shared signal structure */ 73 struct vmspace e_vm; /* address space */ 74 pid_t e_ppid; /* parent process id */ 75 pid_t e_pgid; /* process group id */ 76 short e_jobc; /* job control counter */ 77 udev_t e_tdev; /* controlling tty dev */ 78 pid_t e_tpgid; /* tty process group id */ 79 struct session *e_tsess; /* tty session pointer */ 80#define WMESGLEN 7 81 char e_wmesg[WMESGLEN+1]; /* wchan message */ 82 segsz_t e_xsize; /* text size */ 83 short e_xrssize; /* text rss */ 84 short e_xccount; /* text references */ 85 short e_xswrss; 86 long e_flag; 87#define EPROC_CTTY 0x01 /* controlling tty vnode active */ 88#define EPROC_SLEADER 0x02 /* session leader */ 89 char e_login[roundup(MAXLOGNAME, sizeof(long))]; /* setlogin() name */ 90 long e_spare[2]; 91 } kp_eproc; 92}; 93void fill_eproc __P((struct proc *, struct eproc *)); 94 95 96/* 97 * Per process structure containing data that isn't needed in core 98 * when the process isn't running (esp. when swapped out). 99 * This structure may or may not be at the same kernel address 100 * in all processes. 101 */ 102 103struct user { 104 struct pcb u_pcb; 105 struct sigacts u_sigacts; /* p_sigacts points here (use it!) */ 106 struct pstats u_stats; /* p_stats points here (use it!) */ 107 /* 108 * Remaining fields only for core dump and/or ptrace-- 109 * not valid at other times! 110 */ 111 struct kinfo_proc u_kproc; /* proc + eproc */ 112 struct md_coredump u_md; /* machine dependent glop */ 113}; 114 115/* 116 * Redefinitions to make the debuggers happy for now... This subterfuge 117 * brought to you by coredump() and trace_req(). These fields are *only* 118 * valid at those times! 119 */ 120#ifdef __i386__ 121#define U_ar0 u_kproc.kp_proc.p_md.md_regs /* copy of curproc->p_md.md_regs */ 122#endif 123#ifdef __alpha__ 124#define U_ar0 u_kproc.kp_proc.p_md.md_tf /* copy of curproc->p_md.md_tf */ 125#endif 126#define U_tsize u_kproc.kp_eproc.e_vm.vm_tsize 127#define U_dsize u_kproc.kp_eproc.e_vm.vm_dsize 128#define U_ssize u_kproc.kp_eproc.e_vm.vm_ssize 129#define U_sig u_kproc.kp_proc.p_sig 130#define U_code u_kproc.kp_proc.p_code 131 132#ifndef KERNEL 133#define u_ar0 U_ar0 134#define u_tsize U_tsize 135#define u_dsize U_dsize 136#define u_ssize U_ssize 137#define u_sig U_sig 138#define u_code U_code 139#endif /* KERNEL */ 140 141#endif 142