signals in *sigset* is already pending for the calling thread, the function
will return immediately with information about that signal. The signal
handler is not called for the delivered signal. The function raises an
- :exc:`OSError` with error number set to :const:`errno.EINTR` if it is
- interrupted by a signal that is not in *sigset*.
+ :exc:`InterruptedError` if it is interrupted by a signal that is not in
+ *sigset*.
The return value is an object representing the data contained in the
:c:type:`siginfo_t` structure, namely: :attr:`si_signo`, :attr:`si_code`,