Creates a SharedArrayBuffer from externally managed memory. Fixes: https://github.com/nodejs/node/issues/62259 PR-URL: https://github.com/nodejs/node/pull/62623 Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Chengzhong Wu <legendecas@gmail.com> Reviewed-By: Vladimir Morozov <vmorozov@microsoft.com> Reviewed-By: Robert Nagy <ronagy@icloud.com>
