[LTP] [PATCH 2/2] tst_test: using SIGTERM to terminate process

[Cyril Hrubis]

Hi!
> But one more strange thing here.
> I wonder why this even works. $pid is used in _tst_kill_test and defined 
> in _tst_setup_timer as a local variable.
> It looks like it is inherited through the call chain and since it is 
> copied to the background process, it cannot be manipulated by the tests.
> Still I would vote for changing this at some point, because it is highly 
> confusing.

That's actually a correct and well defined behavior, if you call a
function g from function f the function g has access to the variables
local to f.

And yes it's confusing, but the alternative is having another global
variable which I do not think is much better than this.

-- 
Cyril Hrubis
chrubis@suse.cz