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Annotation of src/usr.bin/top/top.h, Revision 1.17

1.17    ! krw         1: /*     $OpenBSD: top.h,v 1.16 2018/09/13 15:23:32 millert Exp $        */
1.4       deraadt     2:
                      3: /*
                      4:  *  Top users/processes display for Unix
                      5:  *  Version 3
                      6:  *
                      7:  * Copyright (c) 1984, 1989, William LeFebvre, Rice University
                      8:  * Copyright (c) 1989, 1990, 1992, William LeFebvre, Northwestern University
                      9:  *
                     10:  * Redistribution and use in source and binary forms, with or without
                     11:  * modification, are permitted provided that the following conditions
                     12:  * are met:
                     13:  * 1. Redistributions of source code must retain the above copyright
                     14:  *    notice, this list of conditions and the following disclaimer.
                     15:  * 2. Redistributions in binary form must reproduce the above copyright
                     16:  *    notice, this list of conditions and the following disclaimer in the
                     17:  *    documentation and/or other materials provided with the distribution.
                     18:  *
                     19:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
                     20:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
                     21:  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
                     22:  * IN NO EVENT SHALL THE AUTHOR OR HIS EMPLOYER BE LIABLE FOR ANY DIRECT, INDIRECT,
                     23:  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
                     24:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
                     25:  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
                     26:  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
                     27:  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
                     28:  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
                     29:  */
1.1       downsj     30:
                     31: /*
                     32:  *  Top - a top users display for Berkeley Unix
                     33:  *
                     34:  *  General (global) definitions
                     35:  */
1.2       downsj     36:
1.1       downsj     37: /* Current major version number */
                     38: #define VERSION                3
                     39:
                     40: /* Maximum number of columns allowed for display */
1.15      espie      41: #define MAX_COLS       768
1.1       downsj     42:
                     43: /* Log base 2 of 1024 is 10 (2^10 == 1024) */
                     44: #define LOG1024                10
                     45:
                     46: /* Special atoi routine returns either a non-negative number or one of: */
                     47: #define Infinity       -1
                     48: #define Invalid                -2
                     49:
                     50: /* maximum number we can have */
                     51: #define Largest                0x7fffffff
1.13      lum        52:
                     53: /* Interactive temp string buffer size */
                     54: #define TEMPBUFSIZE    50
1.1       downsj     55:
                     56: /*
                     57:  * The entire display is based on these next numbers being defined as is.
                     58:  */
                     59:
                     60: #define NUM_AVERAGES    3
                     61:
1.2       downsj     62:
1.10      otto       63: struct errs {          /* structure for a system-call error */
                     64:         int err;       /* value of errno (that is, the actual error) */
                     65:         char *arg;     /* argument that caused the error */
                     66: };
                     67:
                     68: extern struct errs errs[];
                     69: extern int errcnt;
1.2       downsj     70:
                     71: /* commands.c */
1.3       millert    72: extern int error_count(void);
                     73: extern void show_errors(void);
                     74: extern char *kill_procs(char *);
                     75: extern char *renice_procs(char *);
1.2       downsj     76:
                     77: /* top.c */
1.3       millert    78: extern void quit(int);
1.2       downsj     79:
                     80: /* username.c */
1.16      millert    81: extern const char *username(uid_t);
1.17    ! krw        82: extern uid_t userid(const char *);