ack/lang/pc/libpc/clock.c
1990-11-06 13:02:55 +00:00

48 lines
827 B
C

/* $Header$ */
/*
* (c) copyright 1983 by the Vrije Universiteit, Amsterdam, The Netherlands.
*
* This product is part of the Amsterdam Compiler Kit.
*
* Permission to use, sell, duplicate or disclose this software must be
* obtained in writing. Requests for such permissions may be sent to
*
* Dr. Andrew S. Tanenbaum
* Wiskundig Seminarium
* Vrije Universiteit
* Postbox 7161
* 1007 MC Amsterdam
* The Netherlands
*
*/
/* Author: J.W. Stevenson */
/* function clock:integer; extern; */
extern int times();
struct tbuf {
long utime;
long stime;
long cutime;
long cstime;
};
#ifndef EM_WSIZE
#define EM_WSIZE _EM_WSIZE
#endif
int clock() {
struct tbuf t;
times(&t);
return( (int)(t.utime + t.stime) &
#if EM_WSIZE <= 2
077777
#else
0x7fffffffL
#endif
);
}