#ifndef __SIGNAL_H
#define __SIGNAL_H

#define __BITS_SIGEVENT_H_
#include <bits/sigevent.h>
#undef __BITS_SIGEVENT_H_

#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;

struct timespec;

typedef struct {
	int si_signo;
	int si_code;
	int si_errno;
	pid_t si_pid;
	uid_t si_uid;
	void *si_addr;
	int si_status;
	union sigval si_value;
} siginfo_t;

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 *);
};

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);

#endif