[issue5715] listen socket close in SocketServer.ForkingMixIn.process_request()

[STINNER Victor]

STINNER Victor <victor.stin...@haypocalc.com> added the comment:

I don't know if it's related, but SimpleXMLRPCServer in Python 2.7 uses 
fcntl(self.fileno(), fcntl.F_SETFD, flags):

class SimpleXMLRPCServer(SocketServer.TCPServer,
                         SimpleXMLRPCDispatcher):
    ...
    def __init__(self, ...):
        ...
        # [Bug #1222790] If possible, set close-on-exec flag; if a
        # method spawns a subprocess, the subprocess shouldn't have
        # the listening socket open.
        if fcntl is not None and hasattr(fcntl, 'FD_CLOEXEC'):
            flags = fcntl.fcntl(self.fileno(), fcntl.F_GETFD)
            flags |= fcntl.FD_CLOEXEC
            fcntl.fcntl(self.fileno(), fcntl.F_SETFD, flags)

=> see also issue #1222790.

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