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#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() block_sigio()
# define UNBLOCKIO() unblock_sigio()
#else
# define BLOCKIO()
# define UNBLOCKIO()
#endif /* HAVE_SIGNALED_IO */
#endif
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