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#pragma once
#include <sys/types.h>
__BEGIN_DECLS
typedef void (*__sighandler_t)(int);
typedef __sighandler_t sighandler_t;
typedef uint32_t sigset_t;
typedef void siginfo_t;
struct sigaction {
union {
void (*sa_handler)(int);
void (*sa_sigaction)(int, siginfo_t*, void*);
};
sigset_t sa_mask;
int sa_flags;
void (*sa_restorer)(void);
};
int kill(pid_t, int sig);
sighandler_t signal(int sig, sighandler_t);
int sigaction(int sig, const struct sigaction* act, struct sigaction* old_act);
int sigemptyset(sigset_t*);
int sigfillset(sigset_t*);
int sigaddset(sigset_t*, int sig);
int sigdelset(sigset_t*, int sig);
int sigismember(const sigset_t*, int sig);
#define SIG_DFL ((__sighandler_t)0)
#define SIG_ERR ((__sighandler_t)-1)
#define SIG_IGN ((__sighandler_t)1)
#define SA_NOCLDSTOP 1
#define SA_NOCLDWAIT 2
#define SA_SIGINFO 4
#define SIG_BLOCK 0
#define SIG_UNBLOCK 1
#define SIG_SETMASK 2
#define SIGHUP 1
#define SIGINT 2
#define SIGQUIT 3
#define SIGILL 4
#define SIGTRAP 5
#define SIGABRT 6
#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 SIGCONT 18
#define SIGTSTP 20
#define SIGTTIN 21
#define SIGTTOU 22
__END_DECLS
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