void zmq::signaler_t::forked()
{
// Close file descriptors created in the parent and create new pair
close (r);
close (w);
make_fdpair (&r, &w);
}
zmq::signaler_t::signaler_t ()
{
// Create the socketpair for signaling.
int rc = make_fdpair (&r, &w);
errno_assert (rc == 0);
// Set both fds to non-blocking mode.
unblock_socket (w);
unblock_socket (r);
}
zmq::signaler_t::signaler_t ()
{
// Create the socketpair for signaling.
if (make_fdpair (&r, &w) == 0) {
unblock_socket (w);
unblock_socket (r);
}
#ifdef HAVE_FORK
pid = getpid();
#endif
}
FREEZE_NET::Signaler::Signaler()
{
// Create the socketpair for signaling.
int rc = make_fdpair(&r_, &w_);
assert(rc == 0);
int flags = fcntl(w_, F_GETFL, 0);
assert(flags >= 0);
rc = fcntl(w_, F_SETFL, flags | O_NONBLOCK);
assert(rc == 0);
flags = fcntl(r_, F_GETFL, 0);
assert(flags >= 0);
rc = fcntl(r_, F_SETFL, flags | O_NONBLOCK);
assert(rc == 0);
}
int xs::signaler_init (xs::signaler_t *self_)
{
// Create the socketpair for signaling.
int rc = make_fdpair (&self_->r, &self_->w);
if (rc != 0)
return -1;
// Set both fds to non-blocking mode.
unblock_socket (self_->w);
unblock_socket (self_->r);
#if defined XS_USE_SYNC_SELECT
FD_ZERO (&self_->fds);
#endif
return 0;
}