include/signal.h

   1 #ifndef _SIGNAL_H
   2 # include <signal/signal.h>
   3
   4 # ifndef _ISOMAC
   5 #  include <sigsetops.h>
   6
   7 libc_hidden_proto (sigemptyset)
   8 libc_hidden_proto (sigfillset)
   9 libc_hidden_proto (sigaddset)
  10 libc_hidden_proto (sigdelset)
  11 libc_hidden_proto (sigismember)
  12 extern int __sigpause (int sig_or_mask, int is_sig);
  13 libc_hidden_proto (__sigpause)
  14 libc_hidden_proto (raise)
  15 libc_hidden_proto (__libc_current_sigrtmin)
  16 libc_hidden_proto (__libc_current_sigrtmax)
  17 extern const char * const __sys_siglist[_NSIG] attribute_hidden;
  18 extern const char * const __sys_sigabbrev[_NSIG] attribute_hidden;
  19
  20 /* Now define the internal interfaces.  */
  21 extern __sighandler_t __bsd_signal (int __sig, __sighandler_t __handler);
  22 extern int __kill (__pid_t __pid, int __sig);
  23 libc_hidden_proto (__kill)
  24 extern int __sigaction (int __sig, const struct sigaction *__restrict __act,
  25                         struct sigaction *__restrict __oact);
  26 libc_hidden_proto (__sigaction)
  27 extern int __sigblock (int __mask);
  28 libc_hidden_proto (__sigblock)
  29 extern int __sigsetmask (int __mask);
  30 extern int __sigprocmask (int __how,
  31                           const sigset_t *__set, sigset_t *__oset);
  32 libc_hidden_proto (__sigprocmask)
  33 extern int __sigsuspend (const sigset_t *__set);
  34 libc_hidden_proto (__sigsuspend)
  35 extern int __sigwait (const sigset_t *__set, int *__sig);
  36 libc_hidden_proto (__sigwait)
  37 extern int __sigwaitinfo (const sigset_t *__set, siginfo_t *__info);
  38 libc_hidden_proto (__sigwaitinfo)
  39 #if __TIMESIZE == 64
  40 # define __sigtimedwait64 __sigtimedwait
  41 #else
  42 # include <struct___timespec64.h>
  43 extern int __sigtimedwait64 (const sigset_t *__set, siginfo_t *__info,
  44                              const struct __timespec64 *__timeout);
  45 libc_hidden_proto (__sigtimedwait64)
  46 #endif
  47 extern int __sigtimedwait (const sigset_t *__set, siginfo_t *__info,
  48                            const struct timespec *__timeout);
  49 libc_hidden_proto (__sigtimedwait)
  50 extern int __sigqueue (__pid_t __pid, int __sig,
  51                        const union sigval __val);
  52 #ifdef __USE_MISC
  53 extern int __sigreturn (struct sigcontext *__scp);
  54 #endif
  55 extern int __sigaltstack (const stack_t *__ss,
  56                           stack_t *__oss);
  57 libc_hidden_proto (__sigaltstack)
  58 extern int __libc_sigaction (int sig, const struct sigaction *act,
  59                              struct sigaction *oact);
  60 libc_hidden_proto (__libc_sigaction)
  61
  62 extern int __default_sigpause (int mask);
  63 extern int __xpg_sigpause (int sig);
  64
  65 /* Allocate real-time signal with highest/lowest available priority.  */
  66 extern int __libc_allocate_rtsig (int __high);
  67
  68 #  if IS_IN (rtld)
  69 extern __typeof (__sigaction) __sigaction attribute_hidden;
  70 extern __typeof (__libc_sigaction) __libc_sigaction attribute_hidden;
  71 #  endif
  72
  73 # endif /* _ISOMAC */
  74 #endif /* signal.h */