#include <assert.h>
#include <fcntl.h>
#include <stdio.h>
#include <unistd.h>

int main(int argc, char *argv[])
{
	int pipe, ret;

	assert(argc == 2);
	pipe = open(argv[1], O_WRONLY);
	assert(pipe >= 0);

	printf("starting writer\n");
	while (1) {
		ret = write(pipe, "x", 1);
		assert(ret == 1);
	}
}