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cli: add --trace-atomics-wait flag #33292

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6386c1a
cli: add `--trace-atomics-wait` flag
addaleax Dec 5, 2019
1ee0a80
fixup! cli: add `--trace-atomics-wait` flag
addaleax May 8, 2020
f982160
fixup! cli: add `--trace-atomics-wait` flag
addaleax May 8, 2020
4fb193d
fixup! cli: add `--trace-atomics-wait` flag
addaleax May 8, 2020
d412f82
fixup! fixup! cli: add `--trace-atomics-wait` flag
addaleax May 8, 2020
a32ae40
fixup! fixup! fixup! cli: add `--trace-atomics-wait` flag
addaleax May 10, 2020
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fixup! cli: add --trace-atomics-wait flag
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@addaleax
addaleax authored May 8, 2020
commit f982160dc4504ccd2467bed06ca44dd0da8d3452
12 changes: 11 additions & 1 deletion doc/api/cli.md
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Expand Up @@ -821,7 +821,7 @@ for TLSv1.2, which is not as secure as TLSv1.3.
added: REPLACEME
-->

Print short summaries of calls to `Atomics.wait()` to stderr.
Print short summaries of calls to [`Atomics.wait()`][] to stderr.
The output could look like this:

```text
Expand All @@ -835,6 +835,14 @@ The output could look like this:
[Thread 1] Atomics.wait(0x55d134fe4290 + 4, -1, inf) was woken up by another thread
Comment thread
jasnell marked this conversation as resolved.
Outdated
```

The fields here correspond to:

- The thread id as given by [`worker_threads.threadId`][]
- The base address of the `SharedArrayBuffer` in question, as well as the
byte offset corresponding to the index passed to `Atomics.wait()`
- The expected value that was passed to `Atomics.wait()`
- The timeout passed to `Atomics.wait`

### `--trace-deprecation`
<!-- YAML
added: v0.8.0
Expand Down Expand Up @@ -1494,12 +1502,14 @@ $ node --max-old-space-size=1536 index.js
```

[`--openssl-config`]: #cli_openssl_config_file
[`Atomics.wait()`]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Atomics/wait
[`Buffer`]: buffer.html#buffer_class_buffer
[`SlowBuffer`]: buffer.html#buffer_class_slowbuffer
[`process.setUncaughtExceptionCaptureCallback()`]: process.html#process_process_setuncaughtexceptioncapturecallback_fn
[`tls.DEFAULT_MAX_VERSION`]: tls.html#tls_tls_default_max_version
[`tls.DEFAULT_MIN_VERSION`]: tls.html#tls_tls_default_min_version
[`unhandledRejection`]: process.html#process_event_unhandledrejection
[`worker_threads.threadId`]: worker_threads.html##worker_threads_worker_threadid
[Chrome DevTools Protocol]: https://chromedevtools.github.io/devtools-protocol/
[REPL]: repl.html
[ScriptCoverage]: https://chromedevtools.github.io/devtools-protocol/tot/Profiler#type-ScriptCoverage
Expand Down