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process.title don't change process name #28945

Closed
#29070
libuv/libuv
#2405
Closed
process.title don't change process name#28945
#29070
libuv/libuv
#2405
Labels
confirmed-bugIssues and PRs for confirmed bugs.libuvIssues and PRs related to the libuv dependency or the uv binding.macosIssues and PRs related to the macOS platform.processIssues and PRs related to the process subsystem.

Description

@CubixSystem
CubixSystem
opened on Aug 2, 2019
  • Version: v10.16.1
  • Platform: 18.7.0 Darwin Kernel Version 18.7.0: Thu Jun 20 18:42:21 PDT 2019; root:xnu-4903.270.47~4/RELEASE_X86_64 x86_64
  • Subsystem: process

Hello

In v10.16.1

process.title = "test";

stops changing process name

In v10.15.3
All works as expected

Activity

  1. addaleax commented on Aug 2, 2019

    @addaleax
    addaleax
    on Aug 2, 2019
    Member

    /cc @nodejs/platform-macos since on Linux this seems to work

  2. addaleax
    added
    macosIssues and PRs related to the macOS platform.
    on Aug 2, 2019

  3. CubixSystem commented on Aug 2, 2019

    @CubixSystem
    CubixSystem
    on Aug 2, 2019
    Author

    I use nvm, my steps to reproduce:

    nvm use v10.15.3 && /
node -e "process.title = 'process.title test'; process.stdin.resume();"

    Screenshot 2019-08-02 at 21 16 21

    nvm use v10.16.1 && /
node -e "process.title = 'process.title test'; process.stdin.resume();"

    Screenshot 2019-08-02 at 21 16 59

  4. jasnell commented on Aug 2, 2019

    @jasnell
    jasnell
    on Aug 2, 2019
    Member

    Can I ask you to check to see if the current Node.js 12.x release works? Like to see if this regression is specific to 10.x or not.

  5. Trott commented on Aug 2, 2019

    @Trott
    Trott
    on Aug 2, 2019
    Member

    Can I ask you to check to see if the current Node.js 12.x release works? Like to see if this regression is specific to 10.x or not.

    I can reproduce the issue in 12.0.0 and 12.7.0. Like original reporter, I'm seeing the problem in 10.16.1 but not in 10.15.3. I also see the problem in 10.16.0.

  6. Trott
    added
    confirmed-bugIssues and PRs for confirmed bugs.
    processIssues and PRs related to the process subsystem.
    on Aug 2, 2019

  7. Trott commented on Aug 2, 2019

    @Trott
    Trott
    on Aug 2, 2019
    Member

    8.16.0 does not have the bug.

    So, to summarize for supported release lines on macOS:

    • All 12.x are affected.
    • 10.16.0 and newer are affected. 10.15.3 and earlier are not affected.
    • All 8.x are not affected.

  8. richardlau commented on Aug 2, 2019

    @richardlau
    richardlau
    on Aug 2, 2019
    Member

    Sounds like it could be libuv related based on the Node.js versions affected. Node.js 10.16.0 bumped libuv from 1.23.2->1.28.0.

  9. jasnell commented on Aug 2, 2019

    @jasnell
    jasnell
    on Aug 2, 2019
    Member

    Windows also appears to work as expected

  10. richardlau commented on Aug 3, 2019

    @richardlau
    richardlau
    on Aug 3, 2019
    Member

    Maybe libuv/libuv@00c6b16#diff-60fd60fae228080a06862eae92a6e25 which came with libuv 1.24.0?

  11. Trott commented on Aug 3, 2019

    @Trott
    Trott
    on Aug 3, 2019
    Member

    git bisect confirms that this bug was introduced with the upgrade to libuv 1.24.0 in 9cef7b8. I suppose the thing to do is open an issue in the libuv repository. @nodejs/libuv

  12. bnoordhuis
    added 2 commits that reference this issue on Aug 3, 2019

    Revert "darwin: speed up uv_set_process_title()"

    de209ff

    Revert "darwin: speed up uv_set_process_title()"

    a49bbfd

  13. bnoordhuis commented on Aug 3, 2019

    @bnoordhuis
    bnoordhuis
    on Aug 3, 2019
    Member

    I can confirm that libuv/libuv@00c6b16 is responsible (but don't ask me why.) I've opened a revert in libuv/libuv#2405.

  14. 13 remaining items

  15. BethGriggs
    added 2 commits that reference this issue on Feb 26, 2020

    deps: upgrade to libuv 1.31.0

    4f5dc22

    deps: upgrade to libuv 1.31.0

    794abbc

  16. coreybutler commented on Jul 9, 2020

    @coreybutler
    coreybutler
    on Jul 9, 2020
    Member

    This appears to be an issue again in 14.x.x. Works in 13.x.x.

    cc @cjihrig @addaleax @bnoordhuis @Trott

  17. bnoordhuis commented on Jul 9, 2020

    @bnoordhuis
    bnoordhuis
    on Jul 9, 2020
    Member

    @coreybutler Can you file a new issue and link back to this one?

  18. coreybutler commented on Jul 9, 2020

    @coreybutler
    coreybutler
    on Jul 9, 2020
    Member

    @bnoordhuis sure, ^^

  19. Trott
    added a commit that references this issue on Aug 4, 2020

    doc: clarify process.title inconsistencies

    84b35b2
  20. codebytere
    added 3 commits that reference this issue on Aug 6, 2020

    doc: clarify process.title inconsistencies

    3f55dcd

    doc: clarify process.title inconsistencies

    d972c54
  21. addaleax
    added 2 commits that reference this issue on Sep 22, 2020

    doc: clarify process.title inconsistencies

    12069ed

    doc: clarify process.title inconsistencies

    e67bd9e
  22. liujinye-sys
    added a commit that references this issue on Jul 23, 2025

    Revert "darwin: speed up uv_set_process_title()"

    1045629
  23. liujinye-sys
    added a commit that references this issue on Dec 16, 2025

    Revert "darwin: speed up uv_set_process_title()"

    b7d29a7
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