/* sysdep: -poll */
#define IOPOLL_SELECT

typedef struct {
  int fd;
  short events;
  short revents;
} iopoll_fd;

#define IOPOLL_READ 1
#define IOPOLL_WRITE 4

extern int iopoll(iopoll_fd* fds, unsigned nfds, unsigned long timeout);
extern int iopoll_restart(iopoll_fd* fds, unsigned nfds, unsigned long timeout);