minix/minix/benchmarks/unixbench-5.1.2/src/timeit.c

40 lines
1.3 KiB
C

/*******************************************************************************
*
* The BYTE UNIX Benchmarks - Release 3
* Module: timeit.c SID: 3.3 5/15/91 19:30:21
*******************************************************************************
* Bug reports, patches, comments, suggestions should be sent to:
*
* Ben Smith, Rick Grehan or Tom Yager
* ben@bytepb.byte.com rick_g@bytepb.byte.com tyager@bytepb.byte.com
*
*******************************************************************************
* Modification Log:
* May 12, 1989 - modified empty loops to avoid nullifying by optimizing
* compilers
* August 28, 1990 - changed timing relationship--now returns total number
* of iterations (ty)
* October 22, 1997 - code cleanup to remove ANSI C compiler warnings
* Andy Kahn <kahn@zk3.dec.com>
*
******************************************************************************/
/* this module is #included in other modules--no separate SCCS ID */
/*
* Timing routine
*
*/
#include <signal.h>
#include <unistd.h>
void wake_me(int seconds, void (*func)(int))
{
/* set up the signal handler */
signal(SIGALRM, func);
/* get the clock running */
alarm(seconds);
}