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#ifndef __SIGNAL_H
#define __SIGNAL_H
#define __BITS_SIGEVENT_H_
#include <bits/sigevent.h>
#define __BITS_SIGINFO_H_
#include <bits/siginfo.h> // for siginfo_t
union sigval;
#define SIG_DFL ((void (*)(int))0)
#define SIG_ERR ((void (*)(int)) - 1)
#define SIG_IGN ((void (*)(int))1)
#define SIG_HOLD ((void (*)(int))2)
#define SIG_BLOCK 0
#define SIG_UNBLOCK 1
#define SIG_SETMASK 2
#define SI_ASYNCNL (-60)
#define SI_TKILL (-6)
#define SI_SIGIO (-5)
#define SI_ASYNCIO (-4)
#define SI_MESGQ (-3)
#define SI_TIMER (-2)
#define SI_QUEUE (-1)
#define SI_USER 0
#define SI_KERNEL 128
#define SIGHUP 1
#define SIGINT 2
#define SIGQUIT 3
#define SIGILL 4
#define SIGTRAP 5
#define SIGABRT 6
#define SIGIOT SIGABRT
#define SIGBUS 7
#define SIGFPE 8
#define SIGKILL 9
#define SIGUSR1 10
#define SIGSEGV 11
#define SIGUSR2 12
#define SIGPIPE 13
#define SIGALRM 14
#define SIGTERM 15
#define SIGSTKFLT 16
#define SIGCHLD 17
#define SIGCONT 18
#define SIGSTOP 19
#define SIGTSTP 20
#define SIGTTIN 21
#define SIGTTOU 22
#define SIGURG 23
#define SIGXCPU 24
#define SIGXFSZ 25
#define SIGVTALRM 26
#define SIGPROF 27
#define SIGWINCH 28
#define SIGIO 29
#define SIGPOLL 29
#define SIGPWR 30
#define SIGSYS 31
#define SIGUNUSED SIGSYS
#define SA_NOCLDSTOP 0x00000001
#define SA_NOCLDWAIT 0x00000002
#define SA_SIGINFO 0x00000004
#define SA_ONSTACK 0x08000000
#define SA_RESTART 0x10000000
#define SA_NODEFER 0x40000000
#define SA_RESETHAND 0x80000000
#define SS_ONSTACK 1
#define SS_DISABLE 2
typedef __INT64_TYPE__ pid_t;
typedef __UINT32_TYPE__ uid_t;
typedef __UINT64_TYPE__ sigset_t;
typedef __SIZE_TYPE__ size_t;
typedef struct __thread_self pthread_t;
typedef void (*sighandler_t)(int);
typedef _Atomic int sig_atomic_t;
struct timespec;
typedef struct {
void *ss_sp;
int ss_flags;
size_t ss_size;
} stack_t;
struct sigaction {
void (*sa_handler)(int);
sigset_t sa_mask;
int sa_flags;
void (*sa_sigaction)(int, siginfo_t *, void *);
};
extern const char *const sys_siglist[64];
extern const char *const sys_sigabbrev[64];
int kill(pid_t, int);
int killpg(pid_t, int);
void psiginfo(const siginfo_t *, const char *);
void psignal(int, const char *);
int pthread_kill(pthread_t, int);
int pthread_sigmask(int, const sigset_t *restrict, sigset_t *restrict);
int raise(int);
int sig2str(int, char *);
int sigaction(int, const struct sigaction *restrict,
struct sigaction *restrict);
int sigaddset(sigset_t *, int);
int sigaltstack(const stack_t *restrict, stack_t *restrict);
int sigdelset(sigset_t *, int);
int sigemptyset(sigset_t *);
int sigfillset(sigset_t *);
int sigismember(const sigset_t *, int);
void (*signal(int, void (*)(int)))(int);
int sigpending(sigset_t *);
int sigprocmask(int, const sigset_t *restrict, sigset_t *restrict);
int sigqueue(pid_t, int, union sigval);
int sigsuspend(const sigset_t *);
int sigtimedwait(const sigset_t *restrict, siginfo_t *restrict,
const struct timespec *restrict);
int sigwait(const sigset_t *restrict, int *restrict);
int sigwaitinfo(const sigset_t *restrict, siginfo_t *restrict);
int str2sig(const char *restrict, int *restrict);
sighandler_t sysv_signal(int signum, sighandler_t handler);
#endif
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