[webkit-changes] [WebKit/WebKit] ea0d87: REGRESSION: [UI-side compositing] MiniBrowser hang...

[Nikos Mouchtaris]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: ea0d87c3bc05c904413201d103925f74548c472c
      https://github.com/WebKit/WebKit/commit/ea0d87c3bc05c904413201d103925f74548c472c
  Author: Nikolaos Mouchtaris <nmouchtaris at apple.com>
  Date:   2023-03-16 (Thu, 16 Mar 2023)

  Changed paths:
    M Source/WebCore/page/scrolling/mac/ScrollerMac.mm
    M Source/WebCore/page/scrolling/mac/ScrollerPairMac.h

  Log Message:
  -----------
  REGRESSION: [UI-side compositing] MiniBrowser hangs on launch
https://bugs.webkit.org/show_bug.cgi?id=254051
rdar://106832318

Reviewed by Simon Fraser.

ScrollerMac::attach holding a lock causes a deadlock when
called by ScrollerPairMac::init.

* Source/WebCore/page/scrolling/mac/ScrollerMac.h:
* Source/WebCore/page/scrolling/mac/ScrollerMac.mm:
(WebCore::ScrollerMac::attach):
* Source/WebCore/page/scrolling/mac/ScrollerPairMac.h:
(WebCore::ScrollerPairMac::scrollerImpPair):
(WebCore::ScrollerPairMac::WTF_REQUIRES_LOCK): Deleted.

Canonical link: https://commits.webkit.org/261780@main