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Annotation of coherent/b/bin/ps/ps3.0/nps.c, revision 1.1

1.1     ! root        1: #include "ps.h"
        !             2: 
        !             3: /*
        !             4:  * Print out process status.
        !             5:  */
        !             6: void
        !             7: main(argc, argv)
        !             8:        int argc;
        !             9:        char *argv[];
        !            10: {
        !            11:        int i;          /* Every program needs a loop counter :-).  */
        !            12:        int num_procs;  /* How many processes are there? */
        !            13:        /*
        !            14:         * The command arguments in argv are digested into 'args'.
        !            15:         */
        !            16:        PROC_ARGS args;
        !            17: 
        !            18:        /*
        !            19:         * proc_table is the process table as read from /dev/proc.
        !            20:         */
        !            21:        PROC *proc_table;
        !            22: 
        !            23:        /*
        !            24:         * proc_data is the table of all information for each process.
        !            25:         * It includes pointers into proc_table, and lots of other
        !            26:         * goodies.
        !            27:         */
        !            28:        PROC_DATA *proc_data;
        !            29: 
        !            30:        /*
        !            31:         * Digest the command line.
        !            32:         *
        !            33:         * This routine will not return if there are errors in
        !            34:         * the command line.
        !            35:         */
        !            36:        cvt_args( &args, argc, argv );
        !            37: 
        !            38:        /*
        !            39:         * Read in all that handy cached information.
        !            40:         */
        !            41:        /*
        !            42:         * There is no caching yet.
        !            43:         */
        !            44: 
        !            45:        /*
        !            46:         * Read in the process table.  Note that memory for
        !            47:         * proc_table will be allocated.
        !            48:         *
        !            49:         * The number of processes (i.e. the size of proc_table)
        !            50:         * will be returned in num_procs.
        !            51:         */
        !            52:        proc_table = create_proc_table( &num_procs, &args );
        !            53: 
        !            54:        /*
        !            55:         * Pull together all the data for each process into
        !            56:         * a single table of PROC_DATA structures.
        !            57:         */
        !            58:        proc_data = create_proc_data( proc_table, num_procs, &args );
        !            59:        
        !            60:        /*
        !            61:         * Print any headers we might need.
        !            62:         */
        !            63:        print_headers( &args );
        !            64: 
        !            65:        /*
        !            66:         * Walk through proc_data[] printing each appropriate entry.
        !            67:         */
        !            68:        for ( i = 0; i < num_procs; ++i ) {
        !            69:                if ( wanted_process( &proc_data[i], &args ) ) {
        !            70:                        print_process( &proc_data[i], &args );
        !            71:                }
        !            72:        }
        !            73: 
        !            74: } /* main() */
        !            75: 
        !            76: /*
        !            77:  * Digest the command line.
        !            78:  */
        !            79: void
        !            80: cvt_args( args, argc, argv )
        !            81:        PROC_ARGS *args;
        !            82:        int argc;
        !            83:        char *argv[];
        !            84: {
        !            85: } /* cvt_args() */
        !            86: 
        !            87: /*
        !            88:  * Is this process one we want to print?
        !            89:  */
        !            90: boolean
        !            91: wanted_process( process, args )
        !            92:        PROC_DATA *process;
        !            93:        PROC_ARGS *args;
        !            94: {
        !            95:        return( TRUE ); /* STUB */
        !            96: } /* wanted_process() */

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