From f7b5b5f0da301d8f5c5585c21db238e28546c70f Mon Sep 17 00:00:00 2001
From: Zac Medico <zmedico@gentoo.org>
Date: Wed, 16 Mar 2011 21:50:36 -0700
Subject: Scheduler: tweak prefetcher cancellation logic

This should prevent "TypeError: an integer is required" raised from
waitpid when trying to cancel a prefetcher that never started.
---
 pym/_emerge/AbstractPollTask.py | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'pym/_emerge/AbstractPollTask.py')

diff --git a/pym/_emerge/AbstractPollTask.py b/pym/_emerge/AbstractPollTask.py
index 6cbf984b9..f7f3a9526 100644
--- a/pym/_emerge/AbstractPollTask.py
+++ b/pym/_emerge/AbstractPollTask.py
@@ -17,6 +17,9 @@ class AbstractPollTask(AsynchronousTask):
 	_registered_events = PollConstants.POLLIN | PollConstants.POLLHUP | \
 		_exceptional_events
 
+	def isAlive(self):
+		return bool(self._registered)
+
 	def _read_buf(self, f, event):
 		"""
 		| POLLIN | RETURN
-- 
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