Antoine Pitrou added the comment:
A multiprocessing queue currently uses a 32-bit signed int to encode object
length (in bytes):
def _send_bytes(self, buf):
# For wire compatibility with 3.2 and lower
n = len(buf)
self._send(struct.pack("!i", n))
# The condition is necessary to avoid "broken pipe" errors
# when sending a 0-length buffer if the other end closed the pipe.
if n > 0:
self._send(buf)
I *think* we need to keep compatibility with the wire format, but perhaps we
could use a special length value (-1?) to introduce a longer (64-bit) length
value.
----------
nosy: +pitrou, sbt
type: -> enhancement
versions: +Python 3.4 -Python 3.3
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<http://bugs.python.org/issue17560>
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