/
user.h
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/
user.h
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/*
* Copyright (c) 1982, 1986, 1989, 1991, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)user.h 8.2 (Berkeley) 9/23/93
* $Id: user.h,v 1.19.2.1 1999/01/27 20:51:42 julian Exp $
*/
#ifndef _SYS_USER_H_
#define _SYS_USER_H_
#include <machine/pcb.h>
#ifndef KERNEL
/* stuff that *used* to be included by user.h, or is now needed */
#include <sys/errno.h>
#include <sys/time.h>
#include <sys/resource.h>
#include <sys/ucred.h>
#include <sys/uio.h>
#include <sys/proc.h>
#include <vm/vm.h> /* XXX */
#include <vm/vm_param.h> /* XXX */
#include <vm/pmap.h> /* XXX */
#include <sys/lock.h> /* XXX */
#include <vm/vm_map.h> /* XXX */
#endif /* !KERNEL */
#ifndef _SYS_RESOURCEVAR_H_
#include <sys/resourcevar.h>
#endif
#ifndef _SYS_SIGNALVAR_H_
#include <sys/signalvar.h>
#endif
/*
* KERN_PROC subtype ops return arrays of augmented proc structures:
*/
struct kinfo_proc {
struct proc kp_proc; /* proc structure */
struct eproc {
struct proc *e_paddr; /* address of proc */
struct session *e_sess; /* session pointer */
struct pcred e_pcred; /* process credentials */
struct ucred e_ucred; /* current credentials */
struct procsig e_procsig; /* shared signal structure */
struct vmspace e_vm; /* address space */
pid_t e_ppid; /* parent process id */
pid_t e_pgid; /* process group id */
short e_jobc; /* job control counter */
dev_t e_tdev; /* controlling tty dev */
pid_t e_tpgid; /* tty process group id */
struct session *e_tsess; /* tty session pointer */
#define WMESGLEN 7
char e_wmesg[WMESGLEN+1]; /* wchan message */
segsz_t e_xsize; /* text size */
short e_xrssize; /* text rss */
short e_xccount; /* text references */
short e_xswrss;
long e_flag;
#define EPROC_CTTY 0x01 /* controlling tty vnode active */
#define EPROC_SLEADER 0x02 /* session leader */
char e_login[roundup(MAXLOGNAME, sizeof(long))]; /* setlogin() name */
long e_spare[2];
} kp_eproc;
};
void fill_eproc __P((struct proc *, struct eproc *));
/*
* Per process structure containing data that isn't needed in core
* when the process isn't running (esp. when swapped out).
* This structure may or may not be at the same kernel address
* in all processes.
*/
struct user {
struct pcb u_pcb;
struct sigacts u_sigacts; /* p_sigacts points here (use it!) */
struct pstats u_stats; /* p_stats points here (use it!) */
/*
* Remaining fields only for core dump and/or ptrace--
* not valid at other times!
*/
struct kinfo_proc u_kproc; /* proc + eproc */
struct md_coredump u_md; /* machine dependent glop */
};
/*
* Redefinitions to make the debuggers happy for now... This subterfuge
* brought to you by coredump() and trace_req(). These fields are *only*
* valid at those times!
*/
#ifdef __i386__
#define U_ar0 u_kproc.kp_proc.p_md.md_regs /* copy of curproc->p_md.md_regs */
#endif
#ifdef __alpha__
#define U_ar0 u_kproc.kp_proc.p_md.md_tf /* copy of curproc->p_md.md_tf */
#endif
#define U_tsize u_kproc.kp_eproc.e_vm.vm_tsize
#define U_dsize u_kproc.kp_eproc.e_vm.vm_dsize
#define U_ssize u_kproc.kp_eproc.e_vm.vm_ssize
#define U_sig u_kproc.kp_proc.p_sig
#define U_code u_kproc.kp_proc.p_code
#ifndef KERNEL
#define u_ar0 U_ar0
#define u_tsize U_tsize
#define u_dsize U_dsize
#define u_ssize U_ssize
#define u_sig U_sig
#define u_code U_code
#endif /* KERNEL */
#endif