[issue8458] buildbot: test_cmd_line failure on Tiger: [Errno 9] Bad file descriptor

[Gregory P. Smith]

Gregory P. Smith <greg at krypto.org> added the comment:

that race condition, if thats what this is, is likely not OS X specific.  the child process could complete or close its fds before we reach that code on any OS.  We either need to guard these io.open(p2c*...) lines against EBADF OSError's or we should create the io wrappers before _execute_child() is called.

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<http://bugs.python.org/issue8458>
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