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doc: warn against concurrent http2stream.respondWithFD #18762

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doc: warn against concurrent http2stream.respondWithFD #18762

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addaleax
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Upcoming changes to move away from synchronous I/O on the main
thread will imply that using the same file descriptor to
respond on multiple HTTP/2 streams at the same time is invalid,
because at least on Windows async uv_fs_read() is race-y.

Therefore, warn against such usage.

Checklist
  • make -j4 test (UNIX), or vcbuild test (Windows) passes
  • documentation is changed or added
  • commit message follows commit guidelines
Affected core subsystem(s)

http2

@addaleax
doc: warn against concurrent http2stream.respondWithFD
916bb0f 
Upcoming changes to move away from synchronous I/O on the main
thread will imply that using the same file descriptor to
respond on multiple HTTP/2 streams at the same time is invalid,
because at least on Windows `uv_fs_read()` is race-y.

Therefore, warn against such usage.
@nodejs-github-bot nodejs-github-bot added doc Issues and PRs related to the documentations. http2 Issues or PRs related to the http2 subsystem. labels Feb 13, 2018
benjamingr
benjamingr approved these changes Feb 13, 2018
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LGTM and sounds reasonable

@BridgeAR
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Light-CI https://ci.nodejs.org/job/node-test-commit-light/279/

@BridgeAR BridgeAR added the author ready PRs that have at least one approval, no pending requests for changes, and a CI started. label Feb 16, 2018
jasnell pushed a commit that referenced this pull request Feb 16, 2018
@addaleax @jasnell
doc: warn against concurrent http2stream.respondWithFD
cbe6d5c 
Upcoming changes to move away from synchronous I/O on the main
thread will imply that using the same file descriptor to
respond on multiple HTTP/2 streams at the same time is invalid,
because at least on Windows `uv_fs_read()` is race-y.

Therefore, warn against such usage.

PR-URL: #18762
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
@jasnell
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jasnell commented Feb 16, 2018

Landed in cbe6d5c

@jasnell jasnell closed this Feb 16, 2018
MylesBorins pushed a commit that referenced this pull request Feb 21, 2018
@addaleax @MylesBorins
doc: warn against concurrent http2stream.respondWithFD
983fe33 
Upcoming changes to move away from synchronous I/O on the main
thread will imply that using the same file descriptor to
respond on multiple HTTP/2 streams at the same time is invalid,
because at least on Windows `uv_fs_read()` is race-y.

Therefore, warn against such usage.

PR-URL: #18762
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
@MylesBorins MylesBorins mentioned this pull request Feb 21, 2018
Merged
MylesBorins pushed a commit that referenced this pull request Feb 21, 2018
@addaleax @MylesBorins
doc: warn against concurrent http2stream.respondWithFD
eb9d0ba 
Upcoming changes to move away from synchronous I/O on the main
thread will imply that using the same file descriptor to
respond on multiple HTTP/2 streams at the same time is invalid,
because at least on Windows `uv_fs_read()` is race-y.

Therefore, warn against such usage.

PR-URL: #18762
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
MylesBorins pushed a commit that referenced this pull request Feb 21, 2018
@addaleax @MylesBorins
doc: warn against concurrent http2stream.respondWithFD
1c77929 
Upcoming changes to move away from synchronous I/O on the main
thread will imply that using the same file descriptor to
respond on multiple HTTP/2 streams at the same time is invalid,
because at least on Windows `uv_fs_read()` is race-y.

Therefore, warn against such usage.

PR-URL: #18762
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
kjin pushed a commit to kjin/node that referenced this pull request May 1, 2018
@addaleax @kjin
doc: warn against concurrent http2stream.respondWithFD
a10b365 
Upcoming changes to move away from synchronous I/O on the main
thread will imply that using the same file descriptor to
respond on multiple HTTP/2 streams at the same time is invalid,
because at least on Windows `uv_fs_read()` is race-y.

Therefore, warn against such usage.

PR-URL: nodejs#18762
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
MylesBorins pushed a commit that referenced this pull request May 2, 2018
@addaleax @MylesBorins
doc: warn against concurrent http2stream.respondWithFD
8b234f5 
Upcoming changes to move away from synchronous I/O on the main
thread will imply that using the same file descriptor to
respond on multiple HTTP/2 streams at the same time is invalid,
because at least on Windows `uv_fs_read()` is race-y.

Therefore, warn against such usage.

Backport-PR-URL: #20456
PR-URL: #18762
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
@MylesBorins MylesBorins mentioned this pull request May 2, 2018
Merged
MayaLekova pushed a commit to MayaLekova/node that referenced this pull request May 8, 2018
@addaleax @MayaLekova
doc: warn against concurrent http2stream.respondWithFD
5bdc334 
Upcoming changes to move away from synchronous I/O on the main
thread will imply that using the same file descriptor to
respond on multiple HTTP/2 streams at the same time is invalid,
because at least on Windows `uv_fs_read()` is race-y.

Therefore, warn against such usage.

PR-URL: nodejs#18762
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
MylesBorins pushed a commit that referenced this pull request May 15, 2018
@addaleax @MylesBorins
doc: warn against concurrent http2stream.respondWithFD
67f9d5d 
Upcoming changes to move away from synchronous I/O on the main
thread will imply that using the same file descriptor to
respond on multiple HTTP/2 streams at the same time is invalid,
because at least on Windows `uv_fs_read()` is race-y.

Therefore, warn against such usage.

Backport-PR-URL: #20456
PR-URL: #18762
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
MylesBorins pushed a commit that referenced this pull request May 15, 2018
@addaleax @MylesBorins
doc: warn against concurrent http2stream.respondWithFD
30070c7 
Upcoming changes to move away from synchronous I/O on the main
thread will imply that using the same file descriptor to
respond on multiple HTTP/2 streams at the same time is invalid,
because at least on Windows `uv_fs_read()` is race-y.

Therefore, warn against such usage.

Backport-PR-URL: #20456
PR-URL: #18762
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
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@BridgeAR BridgeAR BridgeAR approved these changes

@lpinca lpinca lpinca approved these changes

@benjamingr benjamingr benjamingr approved these changes

@jasnell jasnell jasnell approved these changes

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@addaleax @BridgeAR @jasnell @benjamingr @lpinca @nodejs-github-bot