Svante Signell, le Wed 13 Feb 2013 00:17:21 +0100, a écrit : > The behavior of these macros is undefined if the fd argument is less > than 0 or greater than or equal to FD_SETSIZE, or if fd is not a valid > file descriptor, or if any of the arguments are expressions with > side-effects.
Ok, so FD_SETSIZE is indeed not a safe bet for python. That doesn't mean that we should not support it nicely. It could be checked what behavior the Linux kernel actually has. Samuel