#ifndef __UM_UBD_USER_H
#define __UM_UBD_USER_H
#include <os.h>
int start_io_thread(struct os_helper_thread **td_out, int *fd_out);
void *io_thread(void *arg);
extern int kernel_fd;
extern int ubd_read_poll(int timeout);
extern int ubd_write_poll(int timeout);
#define UBD_REQ_BUFFER_SIZE 64
#endif