Bug 229171

Summary:	Add a thread safe version of WeakPtr
Product:	WebKit	Reporter:	Ryosuke Niwa <rniwa>
Component:	Web Template Framework	Assignee:	Nobody <webkit-unassigned>
Status:	NEW
Severity:	Normal	CC:	webkit-bug-importer, ysuzuki
Priority:	P2	Keywords:	InRadar
Version:	WebKit Nightly Build
Hardware:	Unspecified
OS:	Unspecified
Bug Depends on:	229168
Bug Blocks:

Ryosuke Niwa

Reported 2021-08-16 17:06:52 PDT

We need a thread safe version of WeakPtr. It's not sufficient to make CanMakeThreadSafe thread safe for WeakPtr since the object can be destructed as we grab the value out of WeakPtr. Add a mechanism to safely create RefPtr or CheckedPtr out of them.

Attachments
Add attachment proposed patch, testcase, etc.

Yusuke Suzuki

Comment 1 2021-08-16 17:16:24 PDT

Strongly +1!

Radar WebKit Bug Importer

Comment 2 2021-08-23 17:07:23 PDT

<rdar://problem/82268516>

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