REGRESSION(274694@main): Causes crashes when multiple threads are rendering PDF pages

• Component: New Bugs
• Status: RESOLVED FIXED

[WebKit Commit Bot]

https://commits.webkit.org/274694@main introduced a regression:
Causes crashes when multiple threads are rendering PDF pages

This is an automatic bug report generated by webkitbot. If this bug
report was created because of a flaky test, please file a bug for the flaky
test (if we don't already have one on file) and dup this bug against that bug
so that we can track how often these flaky tests fail.

[WebKit Commit Bot]

Created attachment 469883 [details]
REVERT of 274694@main

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[Simon Fraser (smfr)]

This caused crashes when rdar://119632313 is enabled, which causes multiple threads to be triggering loading at the same time. The "semaphore per request" is needed.

[EWS]

Committed 274738@main (c030c01b1e1b): <https://commits.webkit.org/274738@main>

All reviewed patches have been landed. Closing bug and clearing flags on attachment 469883 [details].

[Radar WebKit Bug Importer]

<rdar://problem/123019776>