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/*******************************************************************************
* The BYTE UNIX Benchmarks - Release 3
* Module: syscall.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 at BYTE Magazine
* [email protected] [email protected] [email protected]
*
*******************************************************************************
* Modification Log:
* $Header: syscall.c,v 3.4 87/06/22 14:32:54 kjmcdonell Beta $
* August 29, 1990 - Modified timing routines
* October 22, 1997 - code cleanup to remove ANSI C compiler warnings
* Andy Kahn <[email protected]>
*
******************************************************************************/
/*
* syscall -- sit in a loop calling the system
*
*/
char SCCSid[] = "@(#) @(#)syscall.c:3.3 -- 5/15/91 19:30:21";
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/wait.h>
#include "timeit.c"
unsigned long iter;
void report()
{
fprintf(stderr,"COUNT|%ld|1|lps\n", iter);
exit(0);
}
int main(argc, argv)
int argc;
char *argv[];
{
char *test;
int duration;
if (argc < 2) {
fprintf(stderr,"Usage: %s duration [ test ]\n", argv[0]);
fprintf(stderr,"test is one of:\n");
fprintf(stderr," \"mix\" (default), \"close\", \"getpid\", \"exec\"\n");
exit(1);
}
if (argc > 2)
test = argv[2];
else
test = "mix";
duration = atoi(argv[1]);
iter = 0;
wake_me(duration, report);
switch (test[0]) {
case 'm':
while (1) {
close(dup(0));
getpid();
getuid();
umask(022);
iter++;
}
/* NOTREACHED */
case 'c':
while (1) {
close(dup(0));
iter++;
}
/* NOTREACHED */
case 'g':
while (1) {
getpid();
iter++;
}
/* NOTREACHED */
case 'e':
while (1) {
pid_t pid = fork();
if (pid < 0) {
fprintf(stderr,"%s: fork failed\n", argv[0]);
exit(1);
} else if (pid == 0) {
execl("/bin/true", (char *) 0);
fprintf(stderr,"%s: exec /bin/true failed\n", argv[0]);
exit(1);
} else {
if (waitpid(pid, NULL, 0) < 0) {
fprintf(stderr,"%s: waitpid failed\n", argv[0]);
exit(1);
}
}
iter++;
}
/* NOTREACHED */
}
exit(9);
}
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