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#ifndef _SIGNAL_H
#define _SIGNAL_H
#ifdef __cplusplus
extern "C" {
#endif
#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
|| defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE)
#define __NEED_size_t
#define __NEED_pid_t
#define __NEED_uid_t
#define __NEED_struct_timespec
#define __NEED_pthread_t
#define __NEED_time_t
#define __NEED_timer_t
#define __NEED_clock_t
#define __NEED_sigset_t
#define __NEED_siginfo_t
#include <bits/alltypes.h>
struct sigaction
{
union {
void (*sa_handler)(int);
void (*sa_sigaction)(int, siginfo_t *, void *);
} __sa_handler;
sigset_t sa_mask;
int sa_flags;
void (*__sa_restorer)(void);
};
#define sa_handler __sa_handler.sa_handler
#define sa_sigaction __sa_handler.sa_sigaction
typedef struct
{
void *ss_sp;
int ss_flags;
size_t ss_size;
} stack_t;
union sigval
{
int sival_int;
void *sival_ptr;
};
#include <bits/signal.h>
int __libc_current_sigrtmin(void);
int __libc_current_sigrtmax(void);
#define SIGRTMIN (__libc_current_sigrtmin())
#define SIGRTMAX (__libc_current_sigrtmax())
int kill(pid_t, int);
int sigemptyset(sigset_t *);
int sigfillset(sigset_t *);
int sigaddset(sigset_t *, int);
int sigdelset(sigset_t *, int);
int sigismember(const sigset_t *, int);
int sigprocmask(int, const sigset_t *, sigset_t *);
int sigsuspend(const sigset_t *);
int sigaction(int, const struct sigaction *, struct sigaction *);
int sigpending(sigset_t *);
int sigwait(const sigset_t *, int *);
int sigwaitinfo(const sigset_t *, siginfo_t *);
int sigtimedwait(const sigset_t *, siginfo_t *, const struct timespec *);
int sigqueue(pid_t, int, const union sigval);
int pthread_sigmask(int, const sigset_t *, sigset_t *);
int pthread_kill(pthread_t, int);
#endif
#if defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE)
int killpg(pid_t, int);
int sigaltstack(const stack_t *, stack_t *);
int sighold(int);
int sigignore(int);
int siginterrupt(int, int);
int sigpause(int);
int sigrelse(int);
void (*sigset(int, void (*)(int)))(int);
#endif
#ifdef _GNU_SOURCE
typedef int (*sighandler_t)(int);
void (*bsd_signal(int, void (*)(int)))(int);
#endif
typedef int sig_atomic_t;
void (*signal(int, void (*)(int)))(int);
int raise(int);
#ifdef __cplusplus
}
#endif
#endif
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