/*
 * Copyright (c) 2004, 2005, 2011 Kamo Hiroyasu
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

/*
 *  temporal clock
 *  Author: Kamo Hiroyasu <wd@ics.nara-wu.ac.jp>
 */

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

/* #define XCLOCK_PATH	"/usr/X11R6/bin/xclock" */
#define XCLOCK_PATH	"/usr/bin/xclock"

int
main(int argc, char *argv[])
{
	pid_t	pid;
	int	status;

	switch (pid = fork()) {
	case -1:
		perror(argv[0]);
		return 1;
	case 0:
		execl(XCLOCK_PATH, "xclock", "-update", "1", NULL);
		_exit(1);
	}
	sleep(30);
	kill(pid, SIGTERM);
	waitpid(pid, &status, 0);
	printf("Done.\n");
	return 0;
}