external/bsd/ntp/dist/include/iosignal.h

   1 /*      $NetBSD$        */
   2
   3 #if !defined _ntp_iosignaled_h
   4 #define _ntp_iosignaled_h
   5
   6 #include "ntp_refclock.h"
   7
   8 #if defined(HAVE_SIGNALED_IO)
   9 extern void             block_sigio     (void);
  10 extern void             unblock_sigio   (void);
  11 extern int              init_clock_sig  (struct refclockio *);
  12 extern void             init_socket_sig (int);
  13 extern void             set_signal      (void);
  14 RETSIGTYPE              sigio_handler   (int);
  15
  16 # define BLOCKIO()      block_sigio()
  17 # define UNBLOCKIO()    unblock_sigio()
  18
  19 #else
  20
  21 # define BLOCKIO()
  22 # define UNBLOCKIO()
  23 #endif /* HAVE_SIGNALED_IO */
  24
  25 #endif