[LTP] [PATCH] shmget03: fix test when some shm segments already exist

[Cyril Hrubis]

Hi!
> > > Yes, good point, that would be more precise for ENOSPC testing.
> > AFAIK, ltp doesn't support parallel test now. I think parallel test 
> > maybe a future plan that is why we use docparase to collect each case's 
> > used resources(so we can convert many groups, like pid, memory, disk 
> > space..., then we can run pid group and memory groups test case parallelly).
> Yes, parallel support is not supported atm. Richie and Cyril has done some work
> on runltp-ng to support it. Yes, first it's needed to add support in resources
> (docparse), see Cyril's old block post [1].

Besides most of the SHM tests will crash and burn if executed in
parallel. The SysV IPC shares a global namespace and because of that we
can't really write tests without assuming that we are the only one
manipulating them when the test is executed.

-- 
Cyril Hrubis
chrubis@suse.cz