bin/ps/ps.h

   1 /*-
   2  * SPDX-License-Identifier: BSD-3-Clause
   3  *
   4  * Copyright (c) 1990, 1993
   5  *      The Regents of the University of California.  All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3. Neither the name of the University nor the names of its contributors
  16  *    may be used to endorse or promote products derived from this software
  17  *    without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  29  * SUCH DAMAGE.
  30  */
  31
  32 #include <sys/queue.h>
  33
  34 #define UNLIMITED       0       /* unlimited terminal width */
  35 enum type { CHAR, UCHAR, SHORT, USHORT, INT, UINT, LONG, ULONG, KPTR, PGTOK };
  36
  37 typedef struct kinfo_str {
  38         STAILQ_ENTRY(kinfo_str) ks_next;
  39         char *ks_str;   /* formatted string */
  40 } KINFO_STR;
  41
  42 typedef struct kinfo {
  43         struct kinfo_proc *ki_p;        /* kinfo_proc structure */
  44         const char *ki_args;    /* exec args */
  45         const char *ki_env;     /* environment */
  46         int ki_valid;           /* 1 => uarea stuff valid */
  47         double   ki_pcpu;       /* calculated in main() */
  48         segsz_t  ki_memsize;    /* calculated in main() */
  49         union {
  50                 int level;      /* used in decendant_sort() */
  51                 char *prefix;   /* calculated in decendant_sort() */
  52         } ki_d;
  53         STAILQ_HEAD(, kinfo_str) ki_ks;
  54 } KINFO;
  55
  56 /* Variables. */
  57 typedef struct varent {
  58         STAILQ_ENTRY(varent) next_ve;
  59         const char *header;
  60         struct var *var;
  61 } VARENT;
  62
  63 typedef struct var {
  64         const char *name;       /* name(s) of variable */
  65         const char *header;     /* default header */
  66         const char *alias;      /* aliases */
  67         const char *field;      /* xo field name */
  68 #define COMM    0x01            /* needs exec arguments and environment (XXX) */
  69 #define LJUST   0x02            /* left adjust on output (trailing blanks) */
  70 #define USER    0x04            /* needs user structure */
  71 #define INF127  0x10            /* values >127 displayed as 127 */
  72         u_int   flag;
  73                                 /* output routine */
  74         char    *(*oproc)(struct kinfo *, struct varent *);
  75         /*
  76          * The following (optional) elements are hooks for passing information
  77          * to the generic output routine pvar (which prints simple elements
  78          * from the well known kinfo_proc structure).
  79          */
  80         size_t  off;            /* offset in structure */
  81         enum    type type;      /* type of element */
  82         const char *fmt;        /* printf format */
  83
  84         short   width;          /* calculated width */
  85 } VAR;
  86
  87 #include "extern.h"