sys/sys/user.h

   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: src/sys/sys/user.h,v 1.24.2.1 2001/10/11 08:20:18 peter Exp $
  35  * $DragonFly: src/sys/sys/user.h,v 1.12 2003/11/21 22:46:13 dillon Exp $
  36  */
  37
  38 #ifndef _SYS_USER_H_
  39 #define _SYS_USER_H_
  40
  41 #ifndef _KERNEL
  42
  43 /*
  44  * stuff that *used* to be included by user.h, or is now needed.  The
  45  * expectation here is that the user program wants to mess with kernel
  46  * structures.  To be sure we get kernel structures we have to define
  47  * _KERNEL_STRUCTURES.  Otherwise we might get the user version.
  48  *
  49  * This is a really aweful hack.  Fortunately nobody includes sys/user.h
  50  * unless they really, really, really need kinfo_proc.
  51  */
  52 #ifndef _KERNEL_STRUCTURES
  53 #define _KERNEL_STRUCTURES
  54 #endif
  55 #include <sys/errno.h>
  56 #include <sys/time.h>
  57 #include <sys/resource.h>
  58 #include <sys/ucred.h>
  59 #include <sys/uio.h>
  60 #include <sys/proc.h>
  61 #include <sys/lock.h>           /* XXX */
  62 #include <vm/vm.h>              /* XXX */
  63 #include <vm/vm_param.h>        /* XXX */
  64 #include <vm/pmap.h>            /* XXX */
  65 #include <vm/vm_map.h>          /* XXX */
  66 #endif /* !_KERNEL */
  67 #ifndef _SYS_RESOURCEVAR_H_
  68 #include <sys/resourcevar.h>
  69 #endif
  70 #ifndef _SYS_SIGNALVAR_H_
  71 #include <sys/signalvar.h>
  72 #endif
  73
  74 #include <machine/pcb.h>
  75 #include <machine/coredump.h>
  76
  77 /*
  78  * KERN_PROC subtype ops return arrays of augmented proc structures:
  79  */
  80 struct kinfo_proc {
  81         struct  proc kp_proc;                   /* proc structure */
  82         struct  eproc {
  83                 struct  proc *e_paddr;          /* address of proc */
  84                 struct  session *e_sess;        /* session pointer */
  85                 struct  ucred e_ucred;          /* current credentials */
  86                 struct  procsig e_procsig;      /* shared signal structure */
  87                 struct  vmspace e_vm;           /* address space */
  88                 struct  pstats e_stats;         /* process stats */
  89                 u_int64_t e_uticks;             /* time accouting */
  90                 u_int64_t e_sticks;
  91                 u_int64_t e_iticks;
  92                 int     e_cpuid;                /* last scheduled on cpu */
  93                 pid_t   e_ppid;                 /* parent process id */
  94                 pid_t   e_pgid;                 /* process group id */
  95                 short   e_jobc;                 /* job control counter */
  96                 udev_t  e_tdev;                 /* controlling tty dev */
  97                 pid_t   e_tpgid;                /* tty process group id */
  98                 struct  session *e_tsess;       /* tty session pointer */
  99 #define WMESGLEN        7
 100                 char    e_wmesg[WMESGLEN+1];    /* wchan message */
 101                 segsz_t e_xsize;                /* text size */
 102                 short   e_xrssize;              /* text rss */
 103                 short   e_xccount;              /* text references */
 104                 short   e_xswrss;
 105                 long    e_flag;
 106 #define EPROC_CTTY      0x01    /* controlling tty vnode active */
 107 #define EPROC_SLEADER   0x02    /* session leader */
 108                 char    e_login[roundup(MAXLOGNAME, sizeof(long))];     /* setlogin() name */
 109                 long    e_spare[2];
 110         } kp_eproc;
 111         struct thread kp_thread;                /* thread structure */
 112 };
 113 void fill_eproc_td (struct thread *, struct eproc *, struct proc *);
 114 void fill_eproc (struct proc *, struct eproc *);
 115
 116
 117 /*
 118  * Per process structure containing data that isn't needed in core
 119  * when the process isn't running (esp. when swapped out).
 120  */
 121 struct  user {
 122         struct  sigacts u_sigacts;      /* p_sigacts points here (use it!) */
 123         struct  pstats u_stats;         /* p_stats points here (use it!) */
 124         /*
 125          * Remaining fields for a.out core dumps - not valid at other times!
 126          */
 127         struct  kinfo_proc u_kproc;     /* proc + eproc */
 128         struct  md_coredump u_md;       /* machine dependent glop */
 129 };
 130
 131 #endif