#if !defined _ntp_iosignaled_h
#define _ntp_iosignaled_h

#include "ntp_refclock.h"

#if defined(HAVE_SIGNALED_IO)
extern void			block_sigio     (void);
extern void			unblock_sigio   (void);
extern int			init_clock_sig	(struct refclockio *);
extern void			init_socket_sig (int);
extern void			set_signal		(void);
RETSIGTYPE	sigio_handler	(int);

# define BLOCKIO()	 ((void) block_sigio())
# define UNBLOCKIO() ((void) unblock_sigio())

#else

# define BLOCKIO()
# define UNBLOCKIO()
#endif /* HAVE_SIGNALED_IO */

#endif