process: refactor bootstrap of worker/main thread stdio, fatalException, and script evaluation

[joyeecheung]

process: move eval and exception bootstrap ito process/execution.js

This patch:

• Moves tryGetCwd, evalScript and fatalException from
  bootstrap/node.js into process/execution.js so that
  they do have to be passed into the worker thread
  setup function, instead the worker code can require them
  when necessary.
• Moves setUncaughtExceptionCaptureCallback and
  hasUncaughtExceptionCaptureCallback along with the two
  global state exceptionHandlerState and
  shouldAbortOnUncaughtToggle info process.execution.js
  as those are only used by the fatalException and these
  two accessors as one self-contained unit.

process: split worker IO into internal/worker/io.js

• Move setupProcessStdio which contains write access to
  the process object into bootstrap/node.js
• Move MessagePort, MessageChannel, ReadableWorkerStdio,
  and WritableWorkerStdio into internal/worker/io.js
• Move more worker-specific bootstrap code into
  internal/process/worker_thread_only from setupChild
  in internal/worker.js, and move the process._fatalException
  overwrite into bootstrap/node.js for clarity.

process: move worker bootstrap code into worker_thread_only.js

Move worker bootstrap code into worker_thread_only.js from
internal/worker.js since they are only run once during bootstrap.

Checklist

• make -j4 test (UNIX), or vcbuild test (Windows) passes
• commit message follows commit guidelines

[nodejs-github-bot]

@joyeecheung build started: https://ci.nodejs.org/blue/organizations/jenkins/node-test-pull-request-lite-pipeline/detail/node-test-pull-request-lite-pipeline/2052/pipeline

[joyeecheung]

Fun fact: you can fail the test on master with this diff

diff --git a/lib/internal/bootstrap/node.js b/lib/internal/bootstrap/node.js
index 0f207ab660..a07b1e5657 100644
--- a/lib/internal/bootstrap/node.js
+++ b/lib/internal/bootstrap/node.js
@@ -645,7 +645,7 @@ function setupProcessFatal() {
     emitAfter
   } = NativeModule.require('internal/async_hooks');

-  process._fatalException = (er) => {
+  process._fatalException = function foo(er) {
     // It's possible that defaultTriggerAsyncId was set for a constructor
     // call that threw and was never cleared. So clear it now.
     clearDefaultTriggerAsyncId();

[joyeecheung]

CI: https://ci.nodejs.org/job/node-test-pull-request/19771/
Rebased CI: https://ci.nodejs.org/job/node-test-pull-request/19776/

[Trott]

Post force-push CI: https://ci.nodejs.org/job/node-test-pull-request/19781/

[Trott]

Resume Build CI: https://ci.nodejs.org/job/node-test-pull-request/19786/ ✔️

[joyeecheung]

Ping @addaleax @nodejs/process can I have some review please?

[joyeecheung]

Landed in da13c44...00babd3

[addaleax]

Should this be backported to v11.x-staging? If yes please follow the guide and raise a backport PR, if not let me know or add the dont-land-on label.

[addaleax]

Applies cleanly now, apart from the usual hickup in parallel/test-bootstrap-modules and a trivial linter fix (the noop function removed here is still in use in v11.x).