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Annotation of 42BSD/usr.lib/libU77/etime_.c, revision 1.1

1.1     ! root        1: /*
        !             2: char id_etime[] = "@(#)etime_.c        1.1";
        !             3:  *
        !             4:  * Return the elapsed execution time for this process.
        !             5:  *
        !             6:  * calling sequence:
        !             7:  *     real time(2)
        !             8:  *     call etime (time)
        !             9:  * where:
        !            10:  *     the 2 element array, time, will receive the user and system
        !            11:  *     elapsed time since the start of execution.
        !            12:  *
        !            13:  *     This routine can be called as function, and returns the sum of
        !            14:  *     user and system times. The time array argument must always be given.
        !            15:  *
        !            16:  *     The resolution for all timing is 1/60 second.
        !            17:  */
        !            18: 
        !            19: #include <sys/types.h>
        !            20: #include <sys/times.h>
        !            21: 
        !            22: struct tb { float usrtime; float systime; };
        !            23: 
        !            24: float
        !            25: etime_(et) struct tb *et;
        !            26: {      struct tms clock;
        !            27: 
        !            28:        times(&clock);
        !            29:        et->usrtime = (float) clock.tms_utime / 60.0;
        !            30:        et->systime = (float) clock.tms_stime / 60.0;
        !            31:        return(et->usrtime + et->systime);
        !            32: }

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