On Tue, Feb 28, 2023 at 6:22 AM Andres Gonzalez <andresg...@apple.com>
wrote:
>
> "To use `WeakPtr` or `ThreadSafeWeakPtr`, make the class inherit from
> `CanMakeWeakPtr<T>` or `CanMakeThreadSafeWeakPtr<T>`, whichever is
> appropriate. Note that classes that want to implement both
> `ThreadSafeRefCounted` and `ThreadSafeWeakPtr` must inherit from
> `ThreadSafeRefCountedAndCanMakeThreadSafeWeakPtr<>`.”
>
> I don’t think there is CanMakeThreadSafeWeakPtr{T>. For thread safe
> WeakPtr behavior, you have to inherit from
> ThreadSafeRefCountedAndCanMakeThreadSafeWeakPtr.
>
Good catch. It's impossible to create a thread-safe weak ptr without a
thread-safe reference counter. review+. The problem of the wiki is that we
can't create a PR for it.
I was looking for the page since it was renamed to
https://github.com/WebKit/WebKit/wiki/Smart-Pointer-Usage-Guidelines
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