[PATCH 2/4] qualify: fix signal=SIG_0 and signal=0 do not print error message

[Dmitry V. Levin]

On Fri, Jan 06, 2017 at 03:16:28PM +0800, JingPiao Chen wrote:
> SIG_0 is not valid signal name, do not have signal number is 0.

Despite SIG_0 not being a valid signal name and signal number 0 not being
a valid signal, -e signal=0 should not be disallowed.  There are some weird
circumstances when a process can be reported as have been killed by signal 0.


-- 
ldv
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