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

#include <sys/types.h>
#include <unistd.h>
#include <sched.h>


int main(void)
{
	pid_t child = fork();

	if (child < 0) {
		perror("fork");
		exit(EXIT_FAILURE);
	}

	for (;;)
		sched_yield();
}