Listing 4.
machine.h: one of top's header files
Scott Bolte

SWIG
The Perl Journal, Winter 1997
  machine.h: one of top's header files


/*

 *  This file defines the interface between top and the machine-dependent

 *  module.  It is NOT machine dependent and should not need to be changed

 *  for any specific machine.

 */



/*

 * the statics struct is filled in by machine_init

 */

struct statics

{

    char **procstate_names;

    char **cpustate_names;

    char **memory_names;

};



/* The system_info struct is filled in by a machine-dependent routine. */



struct system_info

{

    int    last_pid;

    double load_avg[NUM_AVERAGES];

    int    p_total;

    int    p_active;     /* number of procs considered "active" */

    int    *procstates;

    int    *cpustates;

    int    *memory;

};



/* cpu_states is an array of percentages * 10.  For example, 

   the (integer) value 105 is 10.5% (or .105).

 */



/*

 * the process_select struct tells get_process_info what processes we

 * are interested in seeing

 */



struct process_select

{

    int idle;           /* show idle processes */

    int system;         /* show system processes */

    int uid;            /* only this uid (unless uid == -1) */

    char *command;      /* only this command (unless == NULL) */

};



/* routines defined by the machine dependent module */



char *format_header();

char *format_next_process();



/* non-int routines typically used by the 

   machine dependent module */

char *printable();