lib/ack/libp/clock.c

   1 /* $Header$ */
   2 /*
   3  * (c) copyright 1983 by the Vrije Universiteit, Amsterdam, The Netherlands.
   4  *
   5  *          This product is part of the Amsterdam Compiler Kit.
   6  *
   7  * Permission to use, sell, duplicate or disclose this software must be
   8  * obtained in writing. Requests for such permissions may be sent to
   9  *
  10  *      Dr. Andrew S. Tanenbaum
  11  *      Wiskundig Seminarium
  12  *      Vrije Universiteit
  13  *      Postbox 7161
  14  *      1007 MC Amsterdam
  15  *      The Netherlands
  16  *
  17  */
  18
  19 /* Author: J.W. Stevenson */
  20
  21 /* function clock:integer; extern; */
  22
  23 extern int      _times();
  24
  25 struct tbuf {
  26         long    utime;
  27         long    stime;
  28         long    cutime;
  29         long    cstime;
  30 };
  31
  32 #ifndef EM_WSIZE
  33 #define EM_WSIZE _EM_WSIZE
  34 #endif
  35
  36 int clock() {
  37         struct tbuf t;
  38
  39         _times(&t);
  40         return( (int)(t.utime + t.stime) &
  41 #if EM_WSIZE <= 2
  42         077777
  43 #else
  44         0x7fffffffL
  45 #endif
  46         );
  47 }