maxproc.c (test program)

maxproc.c (text/plain), 648 bytes, created by Natanael Copa on 2005-03-22 01:44:51 UTC

/* 
   This program creates new processes as "nobody" until the limit is
   reached. Number of processes is outputted to stdout.
*/

#include <stdlib.h>
#include <stdio.h>
#include <sys/types.h>
#include <unistd.h>
#include <signal.h>
#include <error.h>

#define TTL 300
#define MAX 65536
#define UID 65534

int pids[MAX];
int main(int argc, char *argv[]) {
	int count = 0; pid_t pid;
	if (setuid(UID) < 0) {
		perror("setuid");
		exit(1);
	}	
	while ((pid = fork()) >= 0 && count < MAX) {
		if (pid == 0) sleep(TTL);
		pids[count++] = pid;
	}
	printf("Forked %i new processes\n", count);
	while (count--) kill(pids[count], SIGTERM);
	return 0;
}