Update.
[glibc.git] / include / signal.h
blob0f7eb851bfa76313c8cfe7e3530a3abe8de3db2b
1 #ifndef _SIGNAL_H
2 #if defined __need_sig_atomic_t || defined __need_sigset_t
3 # include <signal/signal.h>
4 #else
5 # include <signal/signal.h>
7 /* Now define the internal interfaces. */
8 extern __sighandler_t __bsd_signal (int __sig, __sighandler_t __handler);
9 extern int __kill (__pid_t __pid, int __sig);
10 extern int __sigaction (int __sig, __const struct sigaction *__restrict __act,
11 struct sigaction *__restrict __oact);
12 extern int __sigblock (int __mask);
13 extern int __sigsetmask (int __mask);
14 extern int __sigprocmask (int __how,
15 __const sigset_t *__set, sigset_t *__oset);
16 extern int __sigsuspend (__const sigset_t *__set);
17 extern int __sigwait (__const sigset_t *__set, int *__sig);
18 extern int __sigwaitinfo (__const sigset_t *__set, siginfo_t *__info);
19 extern int __sigtimedwait (__const sigset_t *__set, siginfo_t *__info,
20 __const struct timespec *__timeout);
21 extern int __sigqueue (__pid_t __pid, int __sig,
22 __const union sigval __val);
23 extern int __sigvec (int __sig, __const struct sigvec *__vec,
24 struct sigvec *__ovec);
25 extern int __sigreturn (struct sigcontext *__scp);
26 extern int __sigaltstack (__const struct sigaltstack *__ss,
27 struct sigaltstack *__oss);
28 extern int __libc_sigaction (int sig, const struct sigaction *act,
29 struct sigaction *oact);
31 extern int __sigpause (int sig_or_mask, int is_sig);
32 extern int __default_sigpause (int mask);
33 extern int __xpg_sigpause (int sig);
37 /* Allocate real-time signal with highest/lowest available priority. */
38 extern int __libc_allocate_rtsig (int __high);
39 #endif
40 #endif