Description: Code

File /code/usr/include/signal.h

#ifndef	_SIGNAL_H

#if !defined __need_sig_atomic_t && !defined __need_sigset_t
# define _SIGNAL_H
#endif

#include <features.h>

__BEGIN_DECLS

#include <bits/sigset.h>

#if defined __need_sig_atomic_t || defined _SIGNAL_H
# ifndef __sig_atomic_t_defined
#  define __sig_atomic_t_defined
typedef __sig_atomic_t sig_atomic_t;
# endif
# undef __need_sig_atomic_t
#endif

#if defined __need_sigset_t || (defined _SIGNAL_H && defined __USE_POSIX)
# ifndef __sigset_t_defined
#  define __sigset_t_defined
typedef __sigset_t sigset_t;
# endif
# undef __need_sigset_t
#endif

#ifdef _SIGNAL_H

#include <bits/types.h>
#include <bits/signum.h>

#ifdef __USE_XOPEN
# ifndef __pid_t_defined
typedef __pid_t pid_t;
#  define __pid_t_defined
# endif
# ifndef __uid_t_defined
typedef __uid_t uid_t;
#  define __uid_t_defined
# endif
#endif

typedef void (*__sighandler_t) (int);

extern __sighandler_t __sysv_signal (int __sig, __sighandler_t __handler)
     __THROW;
#ifdef __USE_GNU
extern __sighandler_t sysv_signal (int __sig, __sighandler_t __handler)
     __THROW;
#endif

#ifdef __USE_BSD
extern __sighandler_t signal (int __sig, __sighandler_t __handler) __THROW;
#else

# ifdef __REDIRECT
extern __sighandler_t __REDIRECT (signal,
				  (int __sig,
				   __sighandler_t __handler) __THROW,
				  __sysv_signal);
# else
#  define signal __sysv_signal
# endif
#endif

#ifdef __USE_XOPEN

extern __sighandler_t bsd_signal (int __sig, __sighandler_t __handler) __THROW;
#endif

#ifdef __USE_POSIX
extern int kill (__pid_t __pid, int __sig) __THROW;
#endif

#if defined __USE_BSD || defined __USE_XOPEN_EXTENDED

extern int killpg (__pid_t __pgrp, int __sig) __THROW;
#endif

extern int raise (int __sig) __THROW;

#ifdef __USE_SVID

extern __sighandler_t ssignal (int __sig, __sighandler_t __handler) __THROW;
extern int gsignal (int __sig) __THROW;
#endif

#ifdef __USE_MISC

extern void psignal (int __sig, __const char *__s) __THROW;
#endif

extern int __sigpause (int __sig_or_mask, int __is_sig) __THROW;

#ifdef __USE_BSD

extern int sigpause (int __mask) __THROW;
# define sigpause(mask) __sigpause ((mask), 0)
#else
# ifdef __USE_XOPEN
#  ifdef __GNUC__
extern int sigpause (int __sig) __THROW __asm__ ("__xpg_sigpause");
#  endif

#  define sigpause(sig) __sigpause ((sig), 1)
# endif
#endif

#ifdef __USE_BSD

# define sigmask(sig)	__sigmask(sig)

extern int sigblock (int __mask) __THROW;

extern int sigsetmask (int __mask) __THROW;

extern int siggetmask (void) __THROW;
#endif

#ifdef __USE_MISC
# define NSIG	_NSIG
#endif

#ifdef __USE_GNU
typedef __sighandler_t sighandler_t;
#endif

#ifdef __USE_BSD
typedef __sighandler_t sig_t;
#endif

#ifdef __USE_POSIX

# ifdef __USE_POSIX199309

#  define __need_timespec
#  include <time.h>

#  include <bits/siginfo.h>
# endif

extern int sigemptyset (sigset_t *__set) __THROW;

extern int sigfillset (sigset_t *__set) __THROW;

extern int sigaddset (sigset_t *__set, int __signo) __THROW;

extern int sigdelset (sigset_t *__set, int __signo) __THROW;

extern int sigismember (__const sigset_t *__set, int __signo) __THROW;

# ifdef __USE_GNU

extern int sigisemptyset (__const sigset_t *__set) __THROW;

extern int sigandset (sigset_t *__set, __const sigset_t *__left,
		      __const sigset_t *__right) __THROW;

extern int sigorset (sigset_t *__set, __const sigset_t *__left,
		     __const sigset_t *__right) __THROW;
# endif

# include <bits/sigaction.h>

extern int sigprocmask (int __how, __const sigset_t *__restrict __set,
			sigset_t *__restrict __oset) __THROW;

extern int sigsuspend (__const sigset_t *__set) __THROW;

extern int sigaction (int __sig, __const struct sigaction *__restrict __act,
		      struct sigaction *__restrict __oact) __THROW;

extern int sigpending (sigset_t *__set) __THROW;

extern int sigwait (__const sigset_t *__restrict __set, int *__restrict __sig)
     __THROW;

# ifdef __USE_POSIX199309

extern int sigwaitinfo (__const sigset_t *__restrict __set,
			siginfo_t *__restrict __info) __THROW;

extern int sigtimedwait (__const sigset_t *__restrict __set,
			 siginfo_t *__restrict __info,
			 __const struct timespec *__restrict __timeout)
     __THROW;

extern int sigqueue (__pid_t __pid, int __sig, __const union sigval __val)
     __THROW;
# endif

#endif

#ifdef __USE_BSD

extern __const char *__const _sys_siglist[_NSIG];
extern __const char *__const sys_siglist[_NSIG];

struct sigvec
  {
    __sighandler_t sv_handler;
    int sv_mask;

    int sv_flags;
# define sv_onstack	sv_flags
  };

# define SV_ONSTACK	(1 << 0)
# define SV_INTERRUPT	(1 << 1)
# define SV_RESETHAND	(1 << 2)

extern int sigvec (int __sig, __const struct sigvec *__vec,
		   struct sigvec *__ovec) __THROW;

# include <bits/sigcontext.h>

extern int sigreturn (struct sigcontext *__scp) __THROW;

#endif

#if defined __USE_BSD || defined __USE_XOPEN_EXTENDED

extern int siginterrupt (int __sig, int __interrupt) __THROW;

# include <bits/sigstack.h>
# ifdef __USE_XOPEN
#  include <ucontext.h>
# endif

extern int sigstack (struct sigstack *__ss, struct sigstack *__oss) __THROW;

extern int sigaltstack (__const struct sigaltstack *__restrict __ss,
			struct sigaltstack *__restrict __oss) __THROW;

#endif

#ifdef __USE_UNIX98

extern int sighold (int __sig) __THROW;

extern int sigrelse (int __sig) __THROW;

extern int sigignore (int __sig) __THROW;

extern __sighandler_t sigset (int __sig, __sighandler_t __disp) __THROW;
#endif

#if defined __USE_POSIX199506 || defined __USE_UNIX98

# include <bits/sigthread.h>
#endif

extern int __libc_current_sigrtmin (void) __THROW;

extern int __libc_current_sigrtmax (void) __THROW;

#endif

__END_DECLS

#endif