tree 3a6073a4d1b97d2805bd697d83598e9f24e5db9a
parent 546a7c98c89718f2dadf1ae07088fa7cf2ccb53f
author Corentin Wallez <cwallez@chromium.org> 1606148160 +0000
committer Commit Bot service account <commit-bot@chromium.org> 1606148160 +0000

Metal: Prevent data race on mLastSubmittedCommands

There was a data-race between getting and using the pointer to
mLastSubmittedCommands in WaitForCommandsToBeScheduled and setting it
inside the scheduling handler.

Lock the mutex before calling waitUntilScheduled so that the object
doesn't get destroyed from underneath us.

Bug: chromium:1142024
Change-Id: Iadbf473530342de6d108d39285d723815452ac7c
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/31260
Commit-Queue: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Austin Eng <enga@chromium.org>