1 /* $OpenBSD: top.h,v 1.13 2010/03/23 16:16:09 lum 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 #include <sys/cdefs.h> 38 39 /* Current major version number */ 40 #define VERSION 3 41 42 /* Maximum number of columns allowed for display */ 43 #define MAX_COLS 256 44 45 /* Log base 2 of 1024 is 10 (2^10 == 1024) */ 46 #define LOG1024 10 47 48 /* Special atoi routine returns either a non-negative number or one of: */ 49 #define Infinity -1 50 #define Invalid -2 51 52 /* maximum number we can have */ 53 #define Largest 0x7fffffff 54 55 /* Interactive temp string buffer size */ 56 #define TEMPBUFSIZE 50 57 58 /* 59 * The entire display is based on these next numbers being defined as is. 60 */ 61 62 #define NUM_AVERAGES 3 63 64 65 struct errs { /* structure for a system-call error */ 66 int err; /* value of errno (that is, the actual error) */ 67 char *arg; /* argument that caused the error */ 68 }; 69 70 extern struct errs errs[]; 71 extern int errcnt; 72 73 /* commands.c */ 74 extern int error_count(void); 75 extern void show_errors(void); 76 extern char *kill_procs(char *); 77 extern char *renice_procs(char *); 78 79 /* top.c */ 80 extern void quit(int); 81 82 /* username.c */ 83 extern char *username(uid_t); 84 extern uid_t userid(char *); 85