[OE-core] [PATCH] classes/sstate.bbclass: Enable thread lock when checkstatus
Aníbal Limón
anibal.limon at linux.intel.com
Tue Oct 4 16:46:58 UTC 2016
This patch depends on bitbake one,
http://lists.openembedded.org/pipermail/bitbake-devel/2016-October/008129.html
Cheers,
alimon
On 10/04/2016 11:45 AM, Aníbal Limón wrote:
> The checkstatus function fires an event to notify bitbake UI about
> the progress of the task, this function is implemented using ThreadPool
> and is causing event lose when multiple threads tries to fire an event
> (writes over socket/fd).
>
> [YOCTO #10330]
>
> Signed-off-by: Aníbal Limón <anibal.limon at linux.intel.com>
> ---
> meta/classes/sstate.bbclass | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/meta/classes/sstate.bbclass b/meta/classes/sstate.bbclass
> index 6f0c791..172384b 100644
> --- a/meta/classes/sstate.bbclass
> +++ b/meta/classes/sstate.bbclass
> @@ -851,15 +851,19 @@ def sstate_checkhashes(sq_fn, sq_task, sq_hash, sq_hashfn, d, siginfo=False):
>
> if tasklist:
> bb.event.fire(bb.event.ProcessStarted("Checking sstate mirror object availability", len(tasklist)), d)
> +
> import multiprocessing
> nproc = min(multiprocessing.cpu_count(), len(tasklist))
>
> + bb.event.enable_threadlock()
> pool = oe.utils.ThreadedPool(nproc, len(tasklist),
> worker_init=checkstatus_init, worker_end=checkstatus_end)
> for t in tasklist:
> pool.add_task(checkstatus, t)
> pool.start()
> pool.wait_completion()
> + bb.event.disable_threadlock()
> +
> bb.event.fire(bb.event.ProcessFinished("Checking sstate mirror object availability"), d)
> if whitelist and missing:
> bb.fatal('Required artifacts were unavailable - exiting')
>
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