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Issue #23879, asyncio: SelectorEventLoop.sock_connect() must not call connect() 

again if the first call to connect() raises an InterruptedError.

When the C function connect() fails with EINTR, the connection runs in
background. We have to wait until the socket becomes writable to be notified
when the connection succeed or fails.
This commit is contained in:
Victor Stinner 2015-04-07 21:38:04 +02:00
parent 033c58ad97
commit c9d11c341e
1 changed files with 6 additions and 8 deletions
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14
Lib/asyncio/selector_events.py
View File

@ -408,14 +408,12 @@ class BaseSelectorEventLoop(base_events.BaseEventLoop):
def _sock_connect(self, fut, sock, address):
fd = sock.fileno()
try:
while True:
try:
sock.connect(address)
except InterruptedError:
continue
else:
break
except BlockingIOError:
sock.connect(address)
except (BlockingIOError, InterruptedError):
# Issue #23618: When the C function connect() fails with EINTR, the
# connection runs in background. We have to wait until the socket
# becomes writable to be notified when the connection succeed or
# fails.
fut.add_done_callback(functools.partial(self._sock_connect_done,
fd))
self.add_writer(fd, self._sock_connect_cb, fut, sock, address)