[issue12187] subprocess.wait() with a timeout uses polling on POSIX

[STINNER Victor]

STINNER Victor added the comment:

On Linux, it possible to watch processes using a netlink socket:
http://www.outflux.net/blog/archives/2010/07/01/reporting-all-execs/

Example:
http://users.suse.com/~krahmer/exec-notify.c

Python binding (written in Cython) for proc connector:
http://debathena.mit.edu/trac/browser/trunk/debathena/debathena/metrics/debathena/metrics/connector.pyx

There is just a minor limitation: you must be root (CAP_NET_ADMIN) to use this interface...

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<http://bugs.python.org/issue12187>
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