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