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fs: unset FileHandle fd after close #31389

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fs: unset FileHandle fd after close #31389

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addaleax
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  • Do not set the fd as a property on the native object.
  • Use the already-existent GetFD() method to pass the
    fd from C++ to JS.
  • Cache the fd in JS to avoid repeated accesses to the
    C++ getter.
  • Set the fd to -1 after close, thus reliably making
    subsequent calls using the FileHandle return EBADF.

Fixes: #31361

Checklist
  • make -j4 test (UNIX), or vcbuild test (Windows) passes
  • tests and/or benchmarks are included
  • commit message follows commit guidelines

@addaleax
fs: unset FileHandle fd after close
707d6fc 
- Do not set the fd as a property on the native object.
- Use the already-existent `GetFD()` method to pass the
  fd from C++ to JS.
- Cache the fd in JS to avoid repeated accesses to the
  C++ getter.
- Set the fd to `-1` after close, thus reliably making
  subsequent calls using the `FileHandle` return `EBADF`.

Fixes: nodejs#31361
@nodejs-github-bot nodejs-github-bot added c++ Issues and PRs that require attention from people who are familiar with C++. lib / src Issues and PRs related to general changes in the lib or src directory. labels Jan 16, 2020
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CI: https://ci.nodejs.org/job/node-test-pull-request/28465/

@addaleax addaleax added the author ready PRs that have at least one approval, no pending requests for changes, and a CI started. label Jan 17, 2020
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CI: https://ci.nodejs.org/job/node-test-pull-request/28468/

addaleax added a commit that referenced this pull request Jan 18, 2020
@addaleax
fs: unset FileHandle fd after close
7864c53 
- Do not set the fd as a property on the native object.
- Use the already-existent `GetFD()` method to pass the
  fd from C++ to JS.
- Cache the fd in JS to avoid repeated accesses to the
  C++ getter.
- Set the fd to `-1` after close, thus reliably making
  subsequent calls using the `FileHandle` return `EBADF`.

Fixes: #31361

PR-URL: #31389
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Minwoo Jung <nodecorelab@gmail.com>
Reviewed-By: David Carlier <devnexen@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
@addaleax
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Landed in 7864c53

@addaleax addaleax closed this Jan 18, 2020
@addaleax addaleax deleted the filehandle-fd-after-close branch January 18, 2020 21:32
codebytere pushed a commit that referenced this pull request Feb 17, 2020
@addaleax @codebytere
fs: unset FileHandle fd after close
32ac1be 
- Do not set the fd as a property on the native object.
- Use the already-existent `GetFD()` method to pass the
  fd from C++ to JS.
- Cache the fd in JS to avoid repeated accesses to the
  C++ getter.
- Set the fd to `-1` after close, thus reliably making
  subsequent calls using the `FileHandle` return `EBADF`.

Fixes: #31361

PR-URL: #31389
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Minwoo Jung <nodecorelab@gmail.com>
Reviewed-By: David Carlier <devnexen@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
@codebytere codebytere mentioned this pull request Feb 17, 2020
Merged
codebytere pushed a commit that referenced this pull request Mar 14, 2020
@addaleax @codebytere
fs: unset FileHandle fd after close
36b79cd 
- Do not set the fd as a property on the native object.
- Use the already-existent `GetFD()` method to pass the
  fd from C++ to JS.
- Cache the fd in JS to avoid repeated accesses to the
  C++ getter.
- Set the fd to `-1` after close, thus reliably making
  subsequent calls using the `FileHandle` return `EBADF`.

Fixes: #31361

PR-URL: #31389
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Minwoo Jung <nodecorelab@gmail.com>
Reviewed-By: David Carlier <devnexen@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
codebytere pushed a commit that referenced this pull request Mar 17, 2020
@addaleax @codebytere
fs: unset FileHandle fd after close
ca951e1 
- Do not set the fd as a property on the native object.
- Use the already-existent `GetFD()` method to pass the
  fd from C++ to JS.
- Cache the fd in JS to avoid repeated accesses to the
  C++ getter.
- Set the fd to `-1` after close, thus reliably making
  subsequent calls using the `FileHandle` return `EBADF`.

Fixes: #31361

PR-URL: #31389
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Minwoo Jung <nodecorelab@gmail.com>
Reviewed-By: David Carlier <devnexen@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
@codebytere codebytere mentioned this pull request Mar 17, 2020
Merged
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@richardlau richardlau richardlau approved these changes

@JungMinu JungMinu JungMinu approved these changes

@devnexen devnexen devnexen approved these changes

@cjihrig cjihrig cjihrig approved these changes

@Trott Trott Trott approved these changes

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fs: async fstat after close does not cause EBADF
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@addaleax @nodejs-github-bot @Trott @cjihrig @devnexen @JungMinu @richardlau