[pypy-commit] pypy stm-gc: Complete the comment.
noreply at buildbot.pypy.org
Tue Apr 17 10:31:41 CEST 2012
Author: Armin Rigo <arigo at tunes.org>
Date: 2012-04-17 10:30 +0200
Log: Complete the comment.
diff --git a/lib_pypy/transaction.py b/lib_pypy/transaction.py
@@ -74,6 +74,10 @@
"""Explicitly unregister the epoll object. Note that raising an
exception in a transaction to abort run() also unregisters all epolls.
+ However, an epoll that becomes empty (doesn't wait on any fd) is not
+ automatically removed; if there is only an empty epoll left and no
+ further transactions, and no-one raised an exception, then it will
+ basically deadlock.
for key, (f, args, kwds) in _pending.items():
if getattr(f, '_reads_from_epoll_', None) is ep:
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