diff options
| author | Zac Medico <zmedico@gentoo.org> | 2009-06-22 16:43:52 +0000 |
|---|---|---|
| committer | Zac Medico <zmedico@gentoo.org> | 2009-06-22 16:43:52 +0000 |
| commit | d057d91f391981fb0564873c471d550f2f62edf5 (patch) | |
| tree | d6cd416fc5e9389806ec98a02ae236c99e876e4b /pym/_emerge/AbstractPollTask.py | |
| parent | 28184c982a0688ed9bc4d82df407d4e400f6318c (diff) | |
| download | portage-d057d91f391981fb0564873c471d550f2f62edf5.tar.gz portage-d057d91f391981fb0564873c471d550f2f62edf5.tar.bz2 portage-d057d91f391981fb0564873c471d550f2f62edf5.zip | |
Bug #275047 - Split _emerge/__init__.py into smaller pieces. Thanks to
Sebastian Mingramm (few) <s.mingramm@gmx.de> for this patch.
svn path=/main/trunk/; revision=13663
Diffstat (limited to 'pym/_emerge/AbstractPollTask.py')
| -rw-r--r-- | pym/_emerge/AbstractPollTask.py | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/pym/_emerge/AbstractPollTask.py b/pym/_emerge/AbstractPollTask.py new file mode 100644 index 000000000..4262b0b34 --- /dev/null +++ b/pym/_emerge/AbstractPollTask.py @@ -0,0 +1,24 @@ +from _emerge.AsynchronousTask import AsynchronousTask +from _emerge.PollConstants import PollConstants +class AbstractPollTask(AsynchronousTask): + + __slots__ = ("scheduler",) + \ + ("_registered",) + + _bufsize = 4096 + _exceptional_events = PollConstants.POLLERR | PollConstants.POLLNVAL + _registered_events = PollConstants.POLLIN | PollConstants.POLLHUP | \ + _exceptional_events + + def _unregister(self): + raise NotImplementedError(self) + + def _unregister_if_appropriate(self, event): + if self._registered: + if event & self._exceptional_events: + self._unregister() + self.cancel() + elif event & PollConstants.POLLHUP: + self._unregister() + self.wait() + |