[issue7213] subprocess leaks open file descriptors between Popen instances causing hangs

[Milko Krachounov]

Changes by Milko Krachounov <python at milko.3mhz.net>:


Added file: http://bugs.python.org/file20018/subprocess-01-atomic_cloexec_pipe2.patch

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue7213>
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