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/*******************************************************************************
* The BYTE UNIX Benchmarks - Release 3
* Module: spawn.c SID: 3.3 5/15/91 19:30:20
*
*******************************************************************************
* Bug reports, patches, comments, suggestions should be sent to:
*
* Ben Smith, Rick Grehan or Tom Yagerat BYTE Magazine
* ben@bytepb.byte.com rick_g@bytepb.byte.com tyager@bytepb.byte.com
*
*******************************************************************************
* Modification Log:
* $Header: spawn.c,v 3.4 87/06/22 14:32:48 kjmcdonell Beta $
* August 29, 1990 - Modified timing routines (ty)
*
******************************************************************************/
char SCCSid[] = "@(#) @(#)spawn.c:3.3 -- 5/15/91 19:30:20";
/*
* Process creation
*
*/
#include <stdio.h>
#include "timeit.c"
unsigned long iter;
report()
{
fprintf(stderr,"%ld loops\n", iter);
exit(0);
}
main(argc, argv)
int argc;
char *argv[];
{
int slave, count, count1, duration;
int status;
if (argc != 2) {
printf("Usage: %s duration \n", argv[0]);
exit(1);
}
duration = atoi(argv[1]);
iter = 0;
wake_me(duration, report);
while (1) {
if ((slave = fork()) == 0) {
/* slave .. boring */
#if debug
printf("fork OK\n");
#endif
/* kill it right away */
exit(0);
} else if (slave < 0) {
/* woops ... */
printf("Fork failed at iteration %d\n", iter);
perror("Reason");
exit(2);
} else
/* master */
wait(&status);
if (status != 0) {
printf("Bad wait status: 0x%x\n", status);
exit(2);
}
iter++;
#if debug
printf("Child %d done.\n", slave);
#endif
}
}
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