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-rw-r--r--Lib/asyncore.py4
1 files changed, 2 insertions, 2 deletions
diff --git a/Lib/asyncore.py b/Lib/asyncore.py
index a737728..7a790d3 100644
--- a/Lib/asyncore.py
+++ b/Lib/asyncore.py
@@ -138,9 +138,9 @@ def poll2(timeout=0.0, map=None):
for fd, obj in map.items():
flags = select.POLLERR | select.POLLHUP | select.POLLNVAL
if obj.readable():
- flags = select.POLLIN | select.POLLPRI
+ flags |= select.POLLIN | select.POLLPRI
if obj.writable():
- flags = flags | select.POLLOUT
+ flags |= select.POLLOUT
if flags:
pollster.register(fd, flags)
try: