cython

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# 7.14 Signal handling <signal.h>
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from posix.types cimport pid_t, sigset_t, uid_t
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cdef extern from "<signal.h>" nogil:
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    cdef union sigval:
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        int  sival_int
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        void *sival_ptr
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    cdef struct sigevent:
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        int    sigev_notify
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        int    sigev_signo
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        sigval sigev_value
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        void   sigev_notify_function(sigval)
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    ctypedef struct siginfo_t:
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        int    si_signo
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        int    si_code
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        int    si_errno
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        pid_t  si_pid
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        uid_t  si_uid
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        void   *si_addr
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        int    si_status
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        long   si_band
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        sigval si_value
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    cdef struct sigaction_t "sigaction":
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        void     sa_handler(int)
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        void     sa_sigaction(int, siginfo_t *, void *)
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        sigset_t sa_mask
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        int      sa_flags
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    ctypedef struct stack_t:
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        void  *ss_sp
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        int ss_flags
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        size_t ss_size
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    enum: SA_NOCLDSTOP
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    enum: SIG_BLOCK
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    enum: SIG_UNBLOCK
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    enum: SIG_SETMASK
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    enum: SA_ONSTACK
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    enum: SA_RESETHAND
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    enum: SA_RESTART
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    enum: SA_SIGINFO
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    enum: SA_NOCLDWAIT
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    enum: SA_NODEFER
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    enum: SS_ONSTACK
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    enum: SS_DISABLE
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    enum: MINSIGSTKSZ
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    enum: SIGSTKSZ
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    enum: SIGEV_NONE
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    enum: SIGEV_SIGNAL
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    enum: SIGEV_THREAD
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    enum: SIGEV_THREAD_ID
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    int          kill          (pid_t, int)
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    int          killpg        (pid_t, int)
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    int          sigaction     (int, const sigaction_t *, sigaction_t *)
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    int          sigpending    (sigset_t *)
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    int          sigprocmask   (int, const sigset_t *, sigset_t *)
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    int          sigsuspend    (const sigset_t *)
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    int          sigaddset     (sigset_t *, int)
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    int          sigdelset     (sigset_t *, int)
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    int          sigemptyset   (sigset_t *)
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    int          sigfillset    (sigset_t *)
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    int          sigismember   (const sigset_t *, int)
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    int sigaltstack(const stack_t *, stack_t *)
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