include/signal.h

   1 #ifndef _SIGNAL_H
   2 # include <signal/signal.h>
   3
   4 # ifndef _ISOMAC
   5 libc_hidden_proto (sigemptyset)
   6 libc_hidden_proto (sigfillset)
   7 libc_hidden_proto (sigaddset)
   8 libc_hidden_proto (sigdelset)
   9 libc_hidden_proto (sigismember)
  10 extern int __sigpause (int sig_or_mask, int is_sig);
  11 libc_hidden_proto (__sigpause)
  12 libc_hidden_proto (raise)
  13 libc_hidden_proto (__libc_current_sigrtmin)
  14 libc_hidden_proto (__libc_current_sigrtmax)
  15 libc_hidden_proto (_sys_siglist)
  16
  17 /* Now define the internal interfaces.  */
  18 extern __sighandler_t __bsd_signal (int __sig, __sighandler_t __handler);
  19 extern int __kill (__pid_t __pid, int __sig);
  20 extern int __sigaction (int __sig, const struct sigaction *__restrict __act,
  21                         struct sigaction *__restrict __oact);
  22 libc_hidden_proto (__sigaction)
  23 extern int __sigblock (int __mask);
  24 extern int __sigsetmask (int __mask);
  25 extern int __sigprocmask (int __how,
  26                           const sigset_t *__set, sigset_t *__oset);
  27 extern int __sigsuspend (const sigset_t *__set);
  28 libc_hidden_proto (__sigsuspend)
  29 #ifndef NO_CANCELLATION
  30 extern int __sigsuspend_nocancel (const sigset_t *__set) attribute_hidden;
  31 #endif
  32 extern int __sigwait (const sigset_t *__set, int *__sig);
  33 libc_hidden_proto (__sigwait)
  34 extern int __sigwaitinfo (const sigset_t *__set, siginfo_t *__info);
  35 libc_hidden_proto (__sigwaitinfo)
  36 extern int __sigtimedwait (const sigset_t *__set, siginfo_t *__info,
  37                            const struct timespec *__timeout);
  38 libc_hidden_proto (__sigtimedwait)
  39 extern int __sigqueue (__pid_t __pid, int __sig,
  40                        const union sigval __val);
  41 #ifdef __USE_MISC
  42 extern int __sigreturn (struct sigcontext *__scp);
  43 #endif
  44 extern int __sigaltstack (const stack_t *__ss,
  45                           stack_t *__oss);
  46 extern int __libc_sigaction (int sig, const struct sigaction *act,
  47                              struct sigaction *oact);
  48 libc_hidden_proto (__libc_sigaction)
  49
  50 extern int __default_sigpause (int mask);
  51 extern int __xpg_sigpause (int sig);
  52
  53 /* Allocate real-time signal with highest/lowest available priority.  */
  54 extern int __libc_allocate_rtsig (int __high);
  55
  56 #  if IS_IN (rtld)
  57 extern __typeof (__sigaction) __sigaction attribute_hidden;
  58 extern __typeof (__libc_sigaction) __libc_sigaction attribute_hidden;
  59 #  endif
  60
  61 # endif /* _ISOMAC */
  62 #endif /* signal.h */