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async_hooks: don't set hook_fields[kTotals] to 0 #19219

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@danbev danbev commented Mar 8, 2018

This commit removes the setting of hook_field[kTotals] to szero in
AsyncHook's enable function.

As far as I can tell this would not be required if the setting of
this field is done with the assignment operator instead of using the
addition assignment operator.

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

@nodejs-github-bot nodejs-github-bot added the async_hooks Issues and PRs related to the async hooks subsystem. label Mar 8, 2018
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danbev commented Mar 8, 2018

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danbev commented Mar 8, 2018

node-test-commit failure looks unrelated

console output:

not ok 876 parallel/test-http2-info-headers-errors
  ---
  duration_ms: 0.342
  severity: fail
  stack: |-
    (node:605) ExperimentalWarning: The http2 module is an experimental API.
  ...

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LGTM

The way this was previously done was not because setting to 0 was necessary, but because it made the statements in that list consistent, so changing it should not be an issue

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If we're doing this — which I'm not a fan of because the chained statement is now much harder to read (the first and second operations are different) — then we should be doing this for disable() too.

The subsystem should be updated to async_hooks rather than src.

This commit removes the setting of hook_field[kTotals] to szero in
AsyncHook's enable function.

As far as I can tell this would not be required if the setting of
this field is done with the assignment operator instead of using the
addition assignment operator.
@danbev danbev changed the title src: remove setting of hook_field[kTotals] to zero async_hooks: don't set hook_fields[kTotals] to 0 Mar 8, 2018
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danbev commented Mar 8, 2018

@apapirovski I've updated the disable function now and updated the subsystem. Thanks for that.

I know that @addaleax approved this change but I'm getting the feeling that I might be alone in my view regarding that this change is for the better. How about if anyone else chimes in favour of keeping it as it is lets close this.

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@danbev Thanks for making the changes. I'm fine with it landing. It's totally possible I'm alone in finding it a bit harder to read :)

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danbev commented Mar 11, 2018

Landed in ddcc00b.

@danbev danbev closed this Mar 11, 2018
danbev added a commit that referenced this pull request Mar 11, 2018
This commit removes the setting of hook_field[kTotals] to szero in
AsyncHook's enable function.

As far as I can tell this would not be required if the setting of
this field is done with the assignment operator instead of using the
addition assignment operator.

PR-URL: #19219
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: James M Snell <jasnell@gmail.com>
@danbev danbev deleted the async_hooks_kTotals branch March 11, 2018 15:41
targos pushed a commit that referenced this pull request Mar 17, 2018
This commit removes the setting of hook_field[kTotals] to szero in
AsyncHook's enable function.

As far as I can tell this would not be required if the setting of
this field is done with the assignment operator instead of using the
addition assignment operator.

PR-URL: #19219
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: James M Snell <jasnell@gmail.com>
@targos targos mentioned this pull request Mar 18, 2018
MylesBorins pushed a commit that referenced this pull request Mar 20, 2018
This commit removes the setting of hook_field[kTotals] to szero in
AsyncHook's enable function.

As far as I can tell this would not be required if the setting of
this field is done with the assignment operator instead of using the
addition assignment operator.

PR-URL: #19219
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: James M Snell <jasnell@gmail.com>
MayaLekova pushed a commit to MayaLekova/node that referenced this pull request May 8, 2018
This commit removes the setting of hook_field[kTotals] to szero in
AsyncHook's enable function.

As far as I can tell this would not be required if the setting of
this field is done with the assignment operator instead of using the
addition assignment operator.

PR-URL: nodejs#19219
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: James M Snell <jasnell@gmail.com>
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6 participants