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 extern int __sigwait (const sigset_t *__set, int *__sig);
  30 libc_hidden_proto (__sigwait)
  31 extern int __sigwaitinfo (const sigset_t *__set, siginfo_t *__info);
  32 libc_hidden_proto (__sigwaitinfo)
  33 extern int __sigtimedwait (const sigset_t *__set, siginfo_t *__info,
  34                            const struct timespec *__timeout);
  35 libc_hidden_proto (__sigtimedwait)
  36 extern int __sigqueue (__pid_t __pid, int __sig,
  37                        const union sigval __val);
  38 #ifdef __USE_MISC
  39 extern int __sigreturn (struct sigcontext *__scp);
  40 #endif
  41 extern int __sigaltstack (const stack_t *__ss,
  42                           stack_t *__oss);
  43 extern int __libc_sigaction (int sig, const struct sigaction *act,
  44                              struct sigaction *oact);
  45 libc_hidden_proto (__libc_sigaction)
  46
  47 extern int __default_sigpause (int mask);
  48 extern int __xpg_sigpause (int sig);
  49
  50 /* Allocate real-time signal with highest/lowest available priority.  */
  51 extern int __libc_allocate_rtsig (int __high);
  52
  53 #  if IS_IN (rtld)
  54 extern __typeof (__sigaction) __sigaction attribute_hidden;
  55 extern __typeof (__libc_sigaction) __libc_sigaction attribute_hidden;
  56 #  endif
  57
  58 # endif /* _ISOMAC */
  59 #endif /* signal.h */