[Bug 7898] ps doesn't handle SIGPIPE correctly

Fri Feb 27 16:57:44 UTC 2015

https://bugs.busybox.net/show_bug.cgi?id=7898

--- Comment #1 from Denys Vlasenko <vda.linux at googlemail.com> 2015-02-27 16:57:44 UTC ---
(In reply to comment #0)
> Imagine situation when ps will be writing into pipe, when suddenly pipe closed
> by other process. 'ps' will receive receive SIGPIPE and crash.
> 
> That is easy to reproduce, for example 'ps | head'

# busybox ps | head -1
PID   USER     TIME   COMMAND

And?

> I suggest to register signal handler for SIGPIPE in 'ps' and exit gracefully if
> SIGPIPE received.

I don't understand what's the problem with current behavior.

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