include/signal.h

   1 #ifndef _SIGNAL_H
   2 #if defined __need_sig_atomic_t || defined __need_sigset_t
   3 # include <signal/signal.h>
   4 #else
   5 # include <signal/signal.h>
   6
   7 /* Now define the internal interfaces.  */
   8 extern __sighandler_t __bsd_signal (int __sig, __sighandler_t __handler);
   9 extern int __kill (__pid_t __pid, int __sig);
  10 extern int __sigaction (int __sig, __const struct sigaction *__restrict __act,
  11                         struct sigaction *__restrict __oact);
  12 extern int __sigblock (int __mask);
  13 extern int __sigsetmask (int __mask);
  14 extern int __sigprocmask (int __how,
  15                           __const sigset_t *__set, sigset_t *__oset);
  16 extern int __sigsuspend (__const sigset_t *__set);
  17 extern int __sigwait (__const sigset_t *__set, int *__sig);
  18 extern int __sigwaitinfo (__const sigset_t *__set, siginfo_t *__info);
  19 extern int __sigtimedwait (__const sigset_t *__set, siginfo_t *__info,
  20                            __const struct timespec *__timeout);
  21 extern int __sigqueue (__pid_t __pid, int __sig,
  22                        __const union sigval __val);
  23 extern int __sigvec (int __sig, __const struct sigvec *__vec,
  24                      struct sigvec *__ovec);
  25 extern int __sigreturn (struct sigcontext *__scp);
  26 extern int __sigaltstack (__const struct sigaltstack *__ss,
  27                           struct sigaltstack *__oss);
  28 extern int __libc_sigaction (int sig, const struct sigaction *act,
  29                              struct sigaction *oact);
  30
  31 extern int __sigpause (int sig_or_mask, int is_sig);
  32 extern int __default_sigpause (int mask);
  33 extern int __xpg_sigpause (int sig);
  34
  35
  36
  37 /* Allocate real-time signal with highest/lowest available priority.  */
  38 extern int __libc_allocate_rtsig (int __high);
  39 #endif
  40 #endif