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      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  *  This file defines the interface between top and the machine-dependent
     35  *  module.  It is NOT machine dependent and should not need to be changed
     36  *  for any specific machine.
     37  */
     38 
     39 #ifndef _MACHINE_H_
     40 #define _MACHINE_H_
     41 
     42 #include "top.h"
     43 
     44 /*
     45  * The statics struct is filled in by machine_init.  Fields marked as
     46  * "optional" are not filled in by every module.
     47  */
     48 struct statics
     49 {
     50     const char **procstate_names;
     51     const char **cpustate_names;
     52     const char **memory_names;
     53     const char **swap_names;		/* optional */
     54     const char **order_names;		/* optional */
     55     const char **top_color_names;	/* optional */
     56     const char **kernel_names;	/* optional */
     57     time_t boottime;		/* optional */
     58     int modemax;		/* optional */
     59     int ncpu;			/* optional */
     60     struct {
     61 	unsigned int fullcmds : 1;
     62 	unsigned int idle : 1;
     63 	unsigned int warmup : 1;
     64 	unsigned int threads : 1;
     65     } flags;
     66 };
     67 
     68 /*
     69  * the system_info struct is filled in by a machine dependent routine.
     70  */
     71 
     72 #ifdef p_active     /* uw7 define macro p_active */
     73 #define P_ACTIVE p_pactive
     74 #else
     75 #define P_ACTIVE p_active
     76 #endif
     77 
     78 struct system_info
     79 {
     80     pid_t    last_pid;
     81     double load_avg[NUM_AVERAGES];
     82     int    p_total;
     83     int    P_ACTIVE;     /* number of procs considered "active" */
     84     int    *procstates;
     85     int    *cpustates;
     86     int    *kernel;
     87     long   *memory;
     88     long   *swap;
     89 };
     90 
     91 /* cpu_states is an array of percentages * 10.  For example,
     92    the (integer) value 105 is 10.5% (or .105).
     93  */
     94 
     95 /*
     96  * the process_select struct tells get_process_info what processes we
     97  * are interested in seeing
     98  */
     99 
    100 struct process_select
    101 {
    102     int idle;		/* show idle processes */
    103     int system;		/* show system processes */
    104     int fullcmd;	/* show full command */
    105     int usernames;      /* show usernames */
    106     int uid;		/* only this uid (unless uid == -1) */
    107     char *command;	/* only this command (unless == NULL) */
    108     int mode;		/* select display mode (0 is default) */
    109     int threads;	/* show threads separately */
    110     pid_t pid;		/* show only this pid (unless pid == -1) */
    111 };
    112 
    113 /* routines defined by the machine dependent module */
    114 int machine_init(struct statics *);
    115 void get_system_info(struct system_info *);
    116 caddr_t get_process_info(struct system_info *, struct process_select *, int);
    117 char *format_header(char *);
    118 char *format_next_process(caddr_t, char *(*)(int));
    119 int proc_owner(int);
    120 #ifdef HAVE_FORMAT_PROCESS_HEADER
    121 
    122 #endif /* _MACHINE_H_ */
    123 char *format_process_header(struct process_select *sel, caddr_t handle, int count);
    124 #endif
    125