Antoine Pitrou <pit...@free.fr> added the comment:
> EAGAIN can be raised too. I never experienced this error condition
> myself in pyftpdlib
>From the accept() man page:
EAGAIN or EWOULDBLOCK
The socket is marked nonblocking and no connections are
present to be accepted.
POSIX.1-2001 allows either error to be returned for this case,
and does not require
these constants to have the same value, so a portable
application should check for
both possibilities.
> The resulting address can be None, which means that the connection
> didn't take place.
The only way this can happen is if the accept() system call returned 0 in
addrlen, which sounds rather strange. I'm not convinced hiding operating system
bugs is a good idea.
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<http://bugs.python.org/issue6706>
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