# Declare system calls related to signal handling
cdef extern from "<stdlib.h>":
void abort() nogil
cdef extern from "<signal.h>":
ctypedef void *sigset_t
# Renaming of this struct is necessary because Cython folds the
# "struct" namespace into the normal namespace.
struct Sigaction "sigaction":
void (*sa_handler)(int)
sigset_t sa_mask
int sa_flags
int SIG_BLOCK, SIG_UNBLOCK, SIG_SETMASK
int SIGHUP, SIGINT, SIGQUIT, SIGILL, SIGABRT, SIGFPE, SIGKILL
int SIGSEGV, SIGPIPE, SIGALRM, SIGTERM, SIGBUS, SIGCHLD
int signal_raise "raise"(int signum)
int sigprocmask(int how, sigset_t *set, sigset_t *oldset)
int sigemptyset(sigset_t *set)
int sigaddset(sigset_t *set, int signum)
int sigaction(int signum, Sigaction *act, Sigaction *oldact)
cdef extern from "<sys/time.h>":
struct timespec:
long tv_sec
long tv_nsec
cdef extern from "<sys/select.h>":
ctypedef void *fd_set
void FD_CLR(int fd, fd_set *set)
bint FD_ISSET(int fd, fd_set *set)
void FD_SET(int fd, fd_set *set)
void FD_ZERO(fd_set *set)
int FD_SETSIZE
int pselect(int nfds, fd_set *readfds, fd_set *writefds,
fd_set *exceptfds, timespec *timeout,
sigset_t *sigmask)
