Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: f89bce6a688cb26449363da6713357ea63d1cc3e
https://github.com/WebKit/WebKit/commit/f89bce6a688cb26449363da6713357ea63d1cc3e
Author: David Kilzer <[email protected]>
Date: 2025-11-16 (Sun, 16 Nov 2025)
Changed paths:
M Source/WebCore/platform/WebCoreMainThread.cpp
Log Message:
-----------
Fix main thread initialization when disabling WebThread
<https://bugs.webkit.org/show_bug.cgi?id=302600>
<rdar://164844902>
Reviewed by Chris Dumez.
* Source/WebCore/platform/WebCoreMainThread.cpp:
(WebCore::_initializeMainThreadWebCore): Add.
- Extract static method from initializeMainThreadIfNeeded().
(WebCore::initializeMainThreadIfNeeded):
- When WebThread enabled, this method returned early because
StartWebThread() would perform "main" thread initialization when
WebThread was started. With WebThread disabled, this initialization
may now incorrectly occur on a background thread if
+[WebView initialize] is called there. Avoid this issue by only
initializing the main thread if pthread_main_np() is true, else
schedule main thread initialization on the main thread asynchronously
using CFRunLoopPerformBlock().
Canonical link: https://commits.webkit.org/303102@main
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