1 /* 2 * Copyright (c) 1984 through 2008, William LeFebvre 3 * 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 are met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 11 * * Redistributions in binary form must reproduce the above 12 * copyright notice, this list of conditions and the following disclaimer 13 * in the documentation and/or other materials provided with the 14 * distribution. 15 * 16 * * Neither the name of William LeFebvre nor the names of other 17 * contributors may be used to endorse or promote products derived from 18 * this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 23 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 24 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 25 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 26 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 30 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 /* 34 * Top - a top users display for Berkeley Unix 35 * 36 * General (global) definitions 37 */ 38 39 #ifndef _TOP_H_ 40 #define _TOP_H_ 41 42 #include <sys/time.h> 43 44 /* Maximum number of columns allowed for display */ 45 #define MAX_COLS 512 46 47 /* Log base 2 of 1024 is 10 (2^10 == 1024) */ 48 #define LOG1024 10 49 50 /* Special atoi routine returns either a non-negative number or one of: */ 51 #define Infinity -1 52 #define Invalid -2 53 54 /* maximum number we can have */ 55 #define Largest 0x7fffffff 56 57 /* 58 * The entire display is based on these next numbers being defined as is. 59 */ 60 61 #define NUM_AVERAGES 3 62 63 struct ext_decl { 64 int (*f_minibar)(char *, int); 65 int (*f_display)(char *, int); 66 }; 67 68 /* 69 * "Table_size" defines the size of the hash tables used to map uid to 70 * username. Things will work best if the number is a prime number. 71 * We use a number that should be suitable for most installations. 72 */ 73 #ifndef Table_size 74 #define Table_size 8191 75 #endif 76 77 void gettime(struct timeval *); 78 void quit(int); 79 80 int n_cpus; 81 int enable_ncpus; 82 83 #endif /* _TOP_H_ */ 84