def _call_select(space, iwtd_w, owtd_w, ewtd_w, ll_inl, ll_outl, ll_errl,
ll_timeval, timeout):
fdlistin = fdlistout = fdlisterr = None
nfds = -1
if ll_inl:
fdlistin, nfds = _build_fd_set(space, iwtd_w, ll_inl, nfds)
if ll_outl:
fdlistout, nfds = _build_fd_set(space, owtd_w, ll_outl, nfds)
if ll_errl:
fdlisterr, nfds = _build_fd_set(space, ewtd_w, ll_errl, nfds)
if ll_timeval:
end_time = timeutils.monotonic(space) + timeout
else:
end_time = 0.0
while True:
if ll_timeval:
i = int(timeout)
rffi.setintfield(ll_timeval, 'c_tv_sec', i)
rffi.setintfield(ll_timeval, 'c_tv_usec',
int((timeout - i) * 1000000))
res = _c.select(nfds + 1, ll_inl, ll_outl, ll_errl, ll_timeval)
if res >= 0:
break # normal path
err = _c.geterrno()
if err != errno.EINTR:
msg = _c.socket_strerror_unicode(err)
raise OperationError(
space.w_OSError,
space.newtuple([space.newint(err),
space.newunicode(msg)]))
# got EINTR, automatic retry
space.getexecutioncontext().checksignals()
if timeout > 0.0:
timeout = end_time - timeutils.monotonic(space)
if timeout < 0.0:
timeout = 0.0
resin_w = []
resout_w = []
reserr_w = []
if res > 0:
if fdlistin is not None:
_unbuild_fd_set(space, iwtd_w, fdlistin, ll_inl, resin_w)
if fdlistout is not None:
_unbuild_fd_set(space, owtd_w, fdlistout, ll_outl, resout_w)
if fdlisterr is not None:
_unbuild_fd_set(space, ewtd_w, fdlisterr, ll_errl, reserr_w)
return space.newtuple([
space.newlist(resin_w),
space.newlist(resout_w),
space.newlist(reserr_w)
])
def get_msg_unicode(self):
return _c.socket_strerror_unicode(self.errno)