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[geolocation-api] "Queue a task" / "in parallel" usage appears wrong (#114)

From: Domenic Denicola via GitHub <sysbot+gh@w3.org>
Date: Wed, 01 Dec 2021 21:07:12 +0000
To: public-geolocation@w3.org
Message-ID: <issues.opened-1068871139-1638392830-sysbot+gh@w3.org>
domenic has just created a new issue for https://github.com/w3c/geolocation-api:

== "Queue a task" / "in parallel" usage appears wrong ==
https://w3c.github.io/geolocation-api/#request-position contains this sentence:

> Queue a global task using the geolocation task source with global to run the following steps in parallel: 

This doesn't really make any sense. Queuing a task is what you do while in parallel, to get back to the main event loop. But you are already on the main event loop. And you can't queue a task to run something in parallel.

https://html.spec.whatwg.org/#event-loop-for-spec-authors may be helpful here. In general it seems like you need an audit of all the steps in the algorithm to ensure that any that involve waiting or talking to external processes (like a location service or permissions checks) happen in parallel, while any that deal with main-thread objects (like callbacks or the current settings object or any data structures like [[watchTasks]]) happen in an appropriately-queued task.

Please view or discuss this issue at https://github.com/w3c/geolocation-api/issues/114 using your GitHub account


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