signal.h

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#ifndef __SIGNAL_H__
#define __SIGNAL_H__
 
#include <sys/types.h>
 
#define SIGUSR1 10
#define SIGUSR2 12
#define SIGPOLL 29
#define SIGSTOP 19
#define SIGCONT 18
#define SIGKILL 9
#define SIGNAL_CNT 6
 
#define SA_SIGINFO 0x2
 
#define SIGEV_NONE 1
#define SIGEV_SIGNAL 2
 
typedef uint32_t sigset_t;
 
union sigval {
    int sival_int;
    void *sival_ptr;
};
 
typedef struct {
    int si_signo;
    int si_code;
    union sigval si_value;
} siginfo_t;
 
struct sigaction {
    union {
        void (*sa_handler)(int);
        void (*sa_sigaction)(int, siginfo_t *, void *);
    };
    sigset_t sa_mask;
    int sa_flags;
};
 
typedef void (*sa_handler_t)(int);
typedef void (*sa_sigaction_t)(int, siginfo_t *, void *);
 
struct sigevent {
    int sigev_notify;
    int sigev_signo;
    union sigval sigev_value;
    void (*sigev_notify_function)(union sigval);
    void *sigev_notify_attributes;
    pid_t sigev_notify_thread_id;
};
 
int sigemptyset(sigset_t *set);
 
int sigfillset(sigset_t *set);
 
int sigaddset(sigset_t *set, int signum);
 
int sigdelset(sigset_t *set, int signum);
 
int sigismember(const sigset_t *set, int signum);
 
int sigaction(int signum,
              const struct sigaction *act,
              struct sigaction *oldact);
 
int sigwait(const sigset_t *set, int *sig);
 
int pause(void);
 
int kill(pid_t pid, int sig);
 
int raise(int sig);
 
#endif