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Annotation of src/usr.bin/top/machine.h, Revision 1.7

1.7     ! deraadt     1: /* $OpenBSD: machine.h,v 1.6 2002/07/15 17:20:36 deraadt Exp $  */
1.6       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:  *  This file defines the interface between top and the machine-dependent
                     33:  *  module.  It is NOT machine dependent and should not need to be changed
                     34:  *  for any specific machine.
                     35:  */
                     36:
                     37: /*
                     38:  * the statics struct is filled in by machine_init
                     39:  */
1.7     ! deraadt    40: struct statics {
        !            41:        char          **procstate_names;
        !            42:        char          **cpustate_names;
        !            43:        char          **memory_names;
        !            44:        char          **order_names;
1.1       downsj     45: };
                     46:
                     47: /*
                     48:  * the system_info struct is filled in by a machine dependent routine.
                     49:  */
                     50:
1.7     ! deraadt    51: struct system_info {
        !            52:        pid_t           last_pid;
        !            53:        double          load_avg[NUM_AVERAGES];
        !            54:        int             p_total;
        !            55:        int             p_active;       /* number of procs considered
        !            56:                                         * "active" */
        !            57:        int            *procstates;
        !            58:        int            *cpustates;
        !            59:        int            *memory;
1.1       downsj     60: };
                     61:
1.7     ! deraadt    62: /*
        !            63:  * cpu_states is an array of percentages * 10.  For example, the (integer)
        !            64:  * value 105 is 10.5% (or .105).
1.1       downsj     65:  */
                     66:
                     67: /*
                     68:  * the process_select struct tells get_process_info what processes we
                     69:  * are interested in seeing
                     70:  */
                     71:
1.7     ! deraadt    72: struct process_select {
        !            73:        int             idle;   /* show idle processes */
        !            74:        int             system; /* show system processes */
        !            75:        int             uid;    /* only this uid (unless uid == -1) */
        !            76:        char           *command;/* only this command (unless == NULL) */
1.1       downsj     77: };
                     78:
1.2       downsj     79: /* prototypes */
1.7     ! deraadt    80: extern int      display_init(struct statics *);
1.1       downsj     81:
1.2       downsj     82: /* machine.c */
1.7     ! deraadt    83: extern int      machine_init(struct statics *);
        !            84: extern char    *format_header(char *);
        !            85: extern void     get_system_info(struct system_info *);
        !            86: extern caddr_t
        !            87: get_process_info(struct system_info *, struct process_select *,
        !            88:                 int (*) (const void *, const void *));
        !            89: extern char    *format_next_process(caddr_t, char *(*) ());
        !            90: extern int      proc_compate(const void *, const void *);
        !            91: extern int      proc_owner(pid_t);