[webkit-changes] [WebKit/WebKit] 3dd121: [WTF] Revert ThreadGroup to std::shared_ptr / std:...

[Yusuke Suzuki]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 3dd121c2e42e40eea071e8770ae39b154b6fe7e3
      https://github.com/WebKit/WebKit/commit/3dd121c2e42e40eea071e8770ae39b154b6fe7e3
  Author: Yusuke Suzuki <ysuzuki at apple.com>
  Date:   2023-08-18 (Fri, 18 Aug 2023)

  Changed paths:
    M Source/JavaScriptCore/heap/MachineStackMarker.h
    M Source/WTF/wtf/ThreadGroup.cpp
    M Source/WTF/wtf/ThreadGroup.h
    M Source/WTF/wtf/Threading.cpp
    M Source/WTF/wtf/Threading.h
    M Source/WTF/wtf/linux/RealTimeThreads.h
    M Source/WTF/wtf/threads/Signals.cpp
    M Tools/TestWebKitAPI/Tests/WTF/ThreadGroup.cpp

  Log Message:
  -----------
  [WTF] Revert ThreadGroup to std::shared_ptr / std::weak_ptr implementation
https://bugs.webkit.org/show_bug.cgi?id=260373
rdar://113739113

Reviewed by Mark Lam.

Speculative fix. Let's revert our ThreadGroup and Thread implementation to use std::shared_ptr and std::weak_ptr
instead of WebKit ThreadSafeWeakPtr and ThreadSafeWeakHashSet. This is basically partial revert of 257595 at main
and 258267 at main (reverting part related to ThreadGroup and Thread).

* Source/JavaScriptCore/heap/MachineStackMarker.h:
* Source/WTF/wtf/ThreadGroup.cpp:
(WTF::ThreadGroup::~ThreadGroup):
(WTF::ThreadGroup::create): Deleted.
* Source/WTF/wtf/ThreadGroup.h:
* Source/WTF/wtf/Threading.cpp:
(WTF::Thread::didExit):
(WTF::Thread::addToThreadGroup):
(WTF::Thread::removeFromThreadGroup):
(WTF::Thread::numberOfThreadGroups):
* Source/WTF/wtf/Threading.h:
* Source/WTF/wtf/linux/RealTimeThreads.h:
* Source/WTF/wtf/threads/Signals.cpp:
(WTF::activeThreads):
* Tools/TestWebKitAPI/Tests/WTF/ThreadGroup.cpp:
(TestWebKitAPI::testThreadGroup):
(TestWebKitAPI::TEST):

Canonical link: https://commits.webkit.org/267043@main