Home | History | Annotate | Line # | Download | only in dist 
      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	255
     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 #endif /* _TOP_H_ */
     81