[issue8407] expose signalfd(2) and pthread_sigmask in the signal module

[STINNER Victor]

Changes by STINNER Victor <victor.stinner at haypocalc.com>:


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title: expose signalfd(2) and sigprocmask(2) in the signal module -> expose signalfd(2) and pthread_sigmask in the signal module

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue8407>
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