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Issue #12996: multiprocessing.connection: transmit the header in network byte

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order (endpoints machines can have different endianness).
This commit is contained in:
Charles-François Natali 2011-09-20 19:27:39 +02:00
parent 6fa6777503
commit 225aa4f8ec
1 changed files with 2 additions and 2 deletions
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4
Lib/multiprocessing/connection.py
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@ -422,7 +422,7 @@ class Connection(_ConnectionBase):
def _send_bytes(self, buf):
# For wire compatibility with 3.2 and lower
n = len(buf)
self._send(struct.pack("=i", 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:
@ -430,7 +430,7 @@ class Connection(_ConnectionBase):
def _recv_bytes(self, maxsize=None, sentinels=()):
buf = self._recv(4, sentinels)
size, = struct.unpack("=i", buf.getvalue())
size, = struct.unpack("!i", buf.getvalue())
if maxsize is not None and size > maxsize:
return None
return self._recv(size, sentinels)