On Windows, select() does not accept empty lists.
Patch suggested by Guido, fixes SF item 611464.
Bugfix candidate, will backport to release22-maint myself.
diff --git a/Lib/asyncore.py b/Lib/asyncore.py
index 5ab6225..abbbae6 100644
--- a/Lib/asyncore.py
+++ b/Lib/asyncore.py
@@ -50,6 +50,7 @@
import select
import socket
import sys
+import time
import os
from errno import EALREADY, EINPROGRESS, EWOULDBLOCK, ECONNRESET, \
@@ -100,11 +101,14 @@
r.append(fd)
if obj.writable():
w.append(fd)
- try:
- r, w, e = select.select(r, w, e, timeout)
- except select.error, err:
- if err[0] != EINTR:
- raise
+ if [] == r == w == e:
+ time.sleep(timeout)
+ else:
+ try:
+ r, w, e = select.select(r, w, e, timeout)
+ except select.error, err:
+ if err[0] not in (EINTR, ENOENT):
+ raise
for fd in r:
obj = map.get(fd)