67 lines
2.3 KiB
C
67 lines
2.3 KiB
C
#ifndef _SIGNAL_H
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#if defined __need_sig_atomic_t || defined __need_sigset_t
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# include <signal/signal.h>
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#else
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# include <signal/signal.h>
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# ifndef _ISOMAC
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libc_hidden_proto (sigemptyset)
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libc_hidden_proto (sigfillset)
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libc_hidden_proto (sigaddset)
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libc_hidden_proto (sigdelset)
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libc_hidden_proto (sigismember)
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extern int __sigpause (int sig_or_mask, int is_sig);
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libc_hidden_proto (__sigpause)
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libc_hidden_proto (raise)
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libc_hidden_proto (__libc_current_sigrtmin)
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libc_hidden_proto (__libc_current_sigrtmax)
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libc_hidden_proto (_sys_siglist)
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/* Now define the internal interfaces. */
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extern __sighandler_t __bsd_signal (int __sig, __sighandler_t __handler);
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extern int __kill (__pid_t __pid, int __sig);
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extern int __sigaction (int __sig, const struct sigaction *__restrict __act,
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struct sigaction *__restrict __oact);
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libc_hidden_proto (__sigaction)
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extern int __sigblock (int __mask);
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extern int __sigsetmask (int __mask);
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extern int __sigprocmask (int __how,
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const sigset_t *__set, sigset_t *__oset);
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extern int __sigsuspend (const sigset_t *__set);
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libc_hidden_proto (__sigsuspend)
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#ifndef NO_CANCELLATION
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extern int __sigsuspend_nocancel (const sigset_t *__set) attribute_hidden;
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#endif
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extern int __sigwait (const sigset_t *__set, int *__sig);
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libc_hidden_proto (__sigwait)
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extern int __sigwaitinfo (const sigset_t *__set, siginfo_t *__info);
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libc_hidden_proto (__sigwaitinfo)
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extern int __sigtimedwait (const sigset_t *__set, siginfo_t *__info,
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const struct timespec *__timeout);
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libc_hidden_proto (__sigtimedwait)
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extern int __sigqueue (__pid_t __pid, int __sig,
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const union sigval __val);
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#ifdef __USE_MISC
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extern int __sigreturn (struct sigcontext *__scp);
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#endif
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extern int __sigaltstack (const struct sigaltstack *__ss,
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struct sigaltstack *__oss);
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extern int __libc_sigaction (int sig, const struct sigaction *act,
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struct sigaction *oact);
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libc_hidden_proto (__libc_sigaction)
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extern int __default_sigpause (int mask);
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extern int __xpg_sigpause (int sig);
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/* Simplified sigemptyset() implementation without the parameter checking. */
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#undef __sigemptyset
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#define __sigemptyset(ss) \
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({ __builtin_memset (ss, '\0', sizeof (sigset_t)); 0; })
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/* Allocate real-time signal with highest/lowest available priority. */
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extern int __libc_allocate_rtsig (int __high);
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# endif
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#endif
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#endif
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