1 /* $OpenBSD: top.h,v 1.18 2018/09/22 16:50:35 millert Exp $ */ 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 */ 30 31 /* 32 * Top - a top users display for Berkeley Unix 33 * 34 * General (global) definitions 35 */ 36 37 /* Current major version number */ 38 #define VERSION 3 39 40 /* Maximum number of columns allowed for display */ 41 #define MAX_COLS 768 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 52 53 /* Interactive temp string buffer size */ 54 #define TEMPBUFSIZE 50 55 56 /* 57 * The entire display is based on these next numbers being defined as is. 58 */ 59 60 #define NUM_AVERAGES 3 61 62 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; 70 71 /* commands.c */ 72 extern int error_count(void); 73 extern void show_errors(void); 74 extern char *kill_procs(char *); 75 extern char *renice_procs(char *); 76 77 /* top.c */ 78 extern void quit(int); 79