#include "posix.h"

#include <errno.h>
#include <fx/io/stream.h>
#include <unistd.h>

fx_status fx_pipe_create(fx_iostream **reader, fx_iostream **writer)
{
	int fds[2];
	int err = pipe(fds);
	if (err != 0) {
		return fx_status_from_errno(errno, FX_ERR_NOT_SUPPORTED);
	}

	fx_iostream *r = fx_iostream_create(FX_STREAM_READ, fds[0], true);
	fx_iostream *w = fx_iostream_create(FX_STREAM_WRITE, fds[1], true);

	if (!r || !w) {
		fx_iostream_unref(r);
		fx_iostream_unref(w);
		close(fds[0]);
		close(fds[1]);
		return FX_ERR_NO_MEMORY;
	}

	*reader = r;
	*writer = w;
	return FX_SUCCESS;
}