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| -rw-r--r-- | docs/library/uselect.rst | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/docs/library/uselect.rst b/docs/library/uselect.rst index 77d458473..e1becc60e 100644 --- a/docs/library/uselect.rst +++ b/docs/library/uselect.rst @@ -45,13 +45,18 @@ Methods *eventmask* defaults to ``uselect.POLLIN | uselect.POLLOUT``. + It is OK to call this function multiple times for the same *obj*. + Successive calls will update *obj*'s eventmask to the value of + *eventmask* (i.e. will behave as `modify()`). + .. method:: poll.unregister(obj) Unregister *obj* from polling. .. method:: poll.modify(obj, eventmask) - Modify the *eventmask* for *obj*. + Modify the *eventmask* for *obj*. If *obj* is not registered, `OSError` + is raised with error of ENOENT. .. method:: poll.poll(timeout=-1) |