libmainloop/signal.h

   1 /*
   2  * ion/mainloop/signal.h
   3  *
   4  * Copyright (c) Tuomo Valkonen 1999-2009.
   5  *
   6  * See the included file LICENSE for details.
   7  */
   8
   9 #ifndef ION_LIBMAINLOOP_SIGNAL_H
  10 #define ION_LIBMAINLOOP_SIGNAL_H
  11
  12 #include <sys/time.h>
  13 #include <sys/signal.h>
  14 #include <signal.h>
  15 #include <time.h>
  16 #include <unistd.h>
  17
  18 #include <libtu/obj.h>
  19 #include <libtu/types.h>
  20 #include <libextl/extl.h>
  21
  22 #include "hooks.h"
  23
  24 INTRCLASS(WTimer);
  25
  26 typedef void WTimerHandler(WTimer *timer, Obj *obj);
  27
  28
  29 DECLCLASS(WTimer){
  30     Obj obj;
  31     struct timeval when;
  32     WTimer *next;
  33     WTimerHandler *handler;
  34     Watch objwatch;
  35     ExtlFn extl_handler;
  36 };
  37
  38 extern bool timer_init(WTimer *timer);
  39 extern void timer_deinit(WTimer *timer);
  40
  41 extern WTimer *create_timer();
  42 extern WTimer *create_timer_extl_owned();
  43
  44 extern void timer_set(WTimer *timer, uint msecs, WTimerHandler *handler,
  45                       Obj *obj);
  46 extern void timer_set_extl(WTimer *timer, uint msecs, ExtlFn fn);
  47
  48 extern void timer_reset(WTimer *timer);
  49 extern bool timer_is_set(WTimer *timer);
  50
  51 extern bool mainloop_check_signals();
  52 extern void mainloop_trap_signals(const sigset_t *set);
  53 extern void mainloop_block_signals(sigset_t *oldmask);
  54 extern bool mainloop_unhandled_signals();
  55 extern bool libmainloop_get_timeout(struct timeval *tv);
  56
  57 extern WHook *mainloop_sigchld_hook;
  58 extern WHook *mainloop_sigusr2_hook;
  59
  60 /* Returns monotonic time if possible */
  61 extern int mainloop_gettime(struct timeval *val);
  62
  63 #endif /* ION_LIBMAINLOOP_SIGNAL_H */