#define _GNU_SOURCE
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <errno.h>

int main()
{
	int retval, fd;

	if (mkfifo("fifo", 0666) < 0) {
		printf("create fifo error\n");
		return 1;
	}
	
	fd = open("fifo", O_RDWR);
	if (fd < 0) {
		printf("open fifo error\n");
		remove("fifo");
		return 1;
	}
	
	retval = posix_fadvise(fd, 0, 0, POSIX_FADV_NORMAL);
	if (retval) {
		printf("Expected fail - The fd argument is associated with a pipe or FIFO.\n");
		if (retval != ESPIPE)
			printf("Unexpected ERRNO %d (Expected %d)\n", retval, ESPIPE);
	} else
		printf("Unexpected success  - The fd argument is associated with a pipe or FIFO.\n");

	close(fd);
	remove("fifo");

	if (retval)
		return 0;
	return 1;
}