yocto-poky/meta-skeleton/recipes-skeleton/service/service/skeleton_test.c

#include <unistd.h>

/* This demo does nothing except for testing /etc/init.d/skeleton */

int main(int argc, char *argv[])
{
	daemon(0, 0);
	while (1) {
		sleep(1);
	}
	return 0;
}