sigevent.h 1.6 KB

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  1. /*
  2. * Quagga Signal handling header.
  3. *
  4. * Copyright (C) 2004 Paul Jakma.
  5. *
  6. * This file is part of Quagga.
  7. *
  8. * Quagga is free software; you can redistribute it and/or modify it
  9. * under the terms of the GNU General Public License as published by the
  10. * Free Software Foundation; either version 2, or (at your option) any
  11. * later version.
  12. *
  13. * Quagga is distributed in the hope that it will be useful, but
  14. * WITHOUT ANY WARRANTY; without even the implied warranty of
  15. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  16. * General Public License for more details.
  17. *
  18. * You should have received a copy of the GNU General Public License
  19. * along with Quagga; see the file COPYING. If not, write to the Free
  20. * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
  21. * 02111-1307, USA.
  22. */
  23. #ifndef _QUAGGA_SIGNAL_H
  24. #define _QUAGGA_SIGNAL_H
  25. #include <thread.h>
  26. #define QUAGGA_SIGNAL_TIMER_INTERVAL 2L
  27. struct quagga_signal_t
  28. {
  29. int signal; /* signal number */
  30. void (*handler) (void); /* handler to call */
  31. volatile sig_atomic_t caught; /* private member */
  32. };
  33. /* initialise sigevent system
  34. * takes:
  35. * - pointer to valid struct thread_master
  36. * - number of elements in passed in signals array
  37. * - array of quagga_signal_t's describing signals to handle
  38. * and handlers to use for each signal
  39. */
  40. extern void signal_init (struct thread_master *m, int sigc,
  41. struct quagga_signal_t *signals);
  42. /* check whether there are signals to handle, process any found */
  43. extern int quagga_sigevent_process (void);
  44. #endif /* _QUAGGA_SIGNAL_H */