[Piglit] [PATCH] Use _exit() instead of exit() in child processes

[Eric Anholt]

Michel Dänzer <michel at daenzer.net> writes:

> From: Michel Dänzer <michel.daenzer at amd.com>
>
> A child process which doesn't call exec() shouldn't use exit(), as that
> will attempt to run any atexit handlers of the parent, which may break.
> It actually results in crashing with the Mesa radeonsi driver.

Reviewed-by: Eric Anholt <eric at anholt.net>
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