[Webkit-unassigned] [Bug 220038] Unable to postMessage a WebAssembly module to a worklet

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=220038

--- Comment #4 from Chris Dumez <cdumez at apple.com> ---
(In reply to Yusuke Suzuki from comment #2)
> Currently, MessagePort postMessage w/ WebAssembly.Module is not supported.
> 
> We need to know the notion of the followings.
> 
> 1. This pair of MessagePorts are in the same process so that we can send
> SerializedScriptValue without using IPC back-and-force
> 2. This pair of MessagePorts are in the different process so that we should
> just throw an onmessageerror exception.
> 
> Chris, do you know about MessagePort's remote/not-remote flags? Is it
> specified?
> 
> Note: https://bugzilla.mozilla.org/show_bug.cgi?id=1605566

@Yusuke: I don't quite understand the need for "different-process". Our worklets always run in process.

The only case where we use message port cross-process is with service workers, which are different from worklets.

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