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 */