[webkit-changes] [WebKit/WebKit] c38857: Fix race in SuspendServiceWorkerProcessBasedOnClie...

[Miguel Salinas]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: c38857287101c28627eedc50ec964f3582448b80
      https://github.com/WebKit/WebKit/commit/c38857287101c28627eedc50ec964f3582448b80
  Author: Miguel Salinas <miguel_salinas at apple.com>
  Date:   2022-11-16 (Wed, 16 Nov 2022)

  Changed paths:
    M Source/WebKit/UIProcess/ProcessThrottler.cpp
    M Tools/TestWebKitAPI/Tests/WebKitCocoa/ServiceWorkerBasic.mm

  Log Message:
  -----------
  Fix race in SuspendServiceWorkerProcessBasedOnClientProcessesWithoutSeparateServiceWorkerProcess
https://bugs.webkit.org/show_bug.cgi?id=247894
rdar://102320977

Reviewed by Chris Dumez.

There is a race condition in
SuspendServiceWorkerProcessBasedOnClientProcessesWithoutSeparateServiceWorkerProcess
where the process may overwrite its throttle state after launching.

* Source/WebKit/UIProcess/ProcessThrottler.cpp:
(WebKit::ProcessThrottler::setThrottleState):
* Tools/TestWebKitAPI/Tests/WebKitCocoa/ServiceWorkerBasic.mm:

Canonical link: https://commits.webkit.org/256753@main