signal.h

Go to the documentation of this file.

 
#ifndef __SIGNAL_H__
#define __SIGNAL_H__
 
#include <sys/types.h>
 
struct timespec;
 
#define SIGUSR1 10
#define SIGUSR2 12
#define SIGPOLL 29
#define SIGSTOP 19
#define SIGCONT 18
#define SIGKILL 9
#define SIGNAL_CNT 6
 
/* The rest of the POSIX set. Tenok delivers none of them, the numbers are
 * named so that a program written for a POSIX system compiles
 */
#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 SIGSEGV 11
#define SIGPIPE 13
#define SIGALRM 14
#define SIGTERM 15
#define SIGCHLD 17
#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 SIGSYS 31
 
#define NSIG 32
 
#define SIG_DFL ((void (*)(int)) 0)
#define SIG_IGN ((void (*)(int)) 1)
#define SIG_ERR ((void (*)(int)) - 1)
 
#define SIG_BLOCK 0
#define SIG_UNBLOCK 1
#define SIG_SETMASK 2
 
#define SA_SIGINFO 0x2
#define SA_RESTART 0x10000000
#define SA_NOCLDSTOP 0x00000001
 
#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);
 
sa_handler_t signal(int signum, sa_handler_t handler);
 
int sigprocmask(int how, const sigset_t *set, sigset_t *oldset);
 
int sigsuspend(const sigset_t *mask);
 
int sigaction(int signum,
              const struct sigaction *act,
              struct sigaction *oldact);
 
int sigwait(const sigset_t *set, int *sig);
 
int sigwaitinfo(const sigset_t *set, siginfo_t *info);
 
int sigtimedwait(const sigset_t *set,
                 siginfo_t *info,
                 const struct timespec *timeout);
 
int pause(void);
 
int kill(pid_t pid, int sig);
 
int raise(int sig);
 
#endif