[v8.x-backport] src: add environment cleanup hooks #22435
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This adds pairs of methods to the
Environment
class and to public APIswhich can add and remove cleanup handlers.
Unlike
AtExit
, this API targets addon developers rather thanembedders, giving them (and Node\u2019s internals) the ability to register
per-
Environment
cleanup work.We may want to replace
AtExit
with this API at some point.Many thanks for Stephen Belanger for reviewing the original version of
this commit in the Ayo.js project.
Refs: ayojs/ayo#82
PR-URL: #19377
Checklist
make -j4 test
(UNIX), orvcbuild test
(Windows) passesRe: nodejs/abi-stable-node#330