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Asio Get Running

hphp/hack/manual/apis/Functions/HH/asio_get_running.md

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:::info[Note] This is a point-in-time snapshot of the API documentation from January 2026. Going forward, we will not be maintaining a public copy of these references, and recommend users to refer to the built-in signature helpers available in the Hack LSP instead for complete and up-to-date information. :::

Get currently running wait handle, or null if there is none

Hack
namespace HH;

function asio_get_running(): ResumableWaitHandle<mixed>;

Returns

  • ResumableWaitHandle<mixed>
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