Author: tack
Date: Sun Jan 14 20:37:16 2007
New Revision: 2395
Modified:
trunk/base/src/notifier/thread.py
Log:
Log an error when thread pipe has no data.
Modified: trunk/base/src/notifier/thread.py
==============================================================================
--- trunk/base/src/notifier/thread.py (original)
+++ trunk/base/src/notifier/thread.py Sun Jan 14 20:37:16 2007
@@ -56,6 +56,7 @@
import logging
import fcntl
import socket
+import errno
# notifier imports
import nf_wrapper as notifier
@@ -192,8 +193,8 @@
log.info('create thread notifier pipe')
_thread_notifier_pipe = os.pipe()
- fcntl.fcntl(_thread_notifier_pipe[0] , fcntl.F_SETFL, os.O_NONBLOCK )
- fcntl.fcntl(_thread_notifier_pipe[1] , fcntl.F_SETFL, os.O_NONBLOCK )
+ fcntl.fcntl(_thread_notifier_pipe[0], fcntl.F_SETFL, os.O_NONBLOCK)
+ fcntl.fcntl(_thread_notifier_pipe[1], fcntl.F_SETFL, os.O_NONBLOCK)
notifier.socket_add(_thread_notifier_pipe[0], _thread_notifier_run_queue)
@@ -216,6 +217,12 @@
global _thread_notifier_queue
try:
os.read(_thread_notifier_pipe[0], 1000)
+ except socket.error, (err, msg):
+ if err == errno.EAGAIN:
+ # Resource temporarily unavailable -- we are trying to read
+ # data on a socket when none is avilable. This should not
+ # happen under normal circumstances, so log an error.
+ log.error("Thread notifier pipe woke but no data available.")
except OSError:
pass
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