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Annotation of 43BSDTahoe/usr.lib/libU77/etime_.c, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1980 Regents of the University of California.
        !             3:  * All rights reserved.  The Berkeley software License Agreement
        !             4:  * specifies the terms and conditions for redistribution.
        !             5:  *
        !             6:  *     @(#)etime_.c    5.1     6/7/85
        !             7:  */
        !             8: 
        !             9: /*
        !            10:  * Return the elapsed execution time for this process.
        !            11:  *
        !            12:  * calling sequence:
        !            13:  *     real time(2)
        !            14:  *     call etime (time)
        !            15:  * where:
        !            16:  *     the 2 element array, time, will receive the user and system
        !            17:  *     elapsed time since the start of execution.
        !            18:  *
        !            19:  *     This routine can be called as function, and returns the sum of
        !            20:  *     user and system times. The time array argument must always be given.
        !            21:  *
        !            22:  *     The resolution for all timing is 1/60 second.
        !            23:  */
        !            24: 
        !            25: #include <sys/types.h>
        !            26: #include <sys/times.h>
        !            27: 
        !            28: struct tb { float usrtime; float systime; };
        !            29: 
        !            30: float
        !            31: etime_(et) struct tb *et;
        !            32: {      struct tms clock;
        !            33: 
        !            34:        times(&clock);
        !            35:        et->usrtime = (float) clock.tms_utime / 60.0;
        !            36:        et->systime = (float) clock.tms_stime / 60.0;
        !            37:        return(et->usrtime + et->systime);
        !            38: }

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