#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>

int main(int argc, char ** argv) {
	int i;
	if (argc < 2) {
		printf("Usage: %s seconds command arg0 ...\n", argv[0]);
		exit(EXIT_FAILURE);
	}

	int status;

	while (1) {
		pid_t p = fork();
		switch (p) {
			case -1:
				perror("fork");
				exit(EXIT_FAILURE);
			case 0:
				/*child*/
				execvp(argv[1], &argv[1]);
				perror("exec");
				exit(EXIT_FAILURE);
			default:
				/*parent*/
				while (wait(&status) != p) {
					perror("wait");
					sleep(1);
				}
		}
	}
	return 0;
}