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fix(core-clp): Resolve lost wake-up issue in NetworkReader after a download is aborted. #663

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merged 1 commit into from
Jan 14, 2025

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LinZhihao-723
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@LinZhihao-723 LinZhihao-723 commented Jan 14, 2025

Description

The current implementation of NewworkReader has a "lost wake-up" bug during download abortion: The wait here skips the check of abortion status in the first iteration of the while loop, causing that even if the download has already been aborted, it still gets blocked and no one will wake it up. This PR fixes the issue by reordering the abortion check and wait statement and ensuring that the abortion status is checked in every loop iteration.

Validation performed

  • Ensured all workflows passed.
  • Applied this PR to the private working branch and ensured the bug stopped appearing.

Summary by CodeRabbit

  • Bug Fixes
    • Refined synchronization mechanism in network buffer acquisition process
    • Improved waiting behaviour for network resource management

The changes ensure more consistent and reliable network buffer handling without altering core functionality.

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coderabbitai bot commented Jan 14, 2025

Walkthrough

The pull request involves a minor modification in the NetworkReader.cpp file, specifically within the acquire_empty_buffer method. The change appears to be a subtle refinement of the condition variable waiting mechanism, maintaining the existing synchronization logic while potentially improving its implementation. The modification does not introduce new functionality or alter the core behaviour of the NetworkReader class.

Changes

File Change Summary
components/core/src/clp/NetworkReader.cpp Updated condition variable waiting mechanism in acquire_empty_buffer method

Suggested Reviewers

  • kirkrodrigues

Note: No sequence diagram was generated as the changes are minimal and do not significantly alter the control flow or introduce new interactions.


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📒 Files selected for processing (1)
  • components/core/src/clp/NetworkReader.cpp (1 hunks)
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  • components/core/src/clp/NetworkReader.cpp
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@LinZhihao-723 LinZhihao-723 changed the title fix(core-clp): Resolve lost wake-up issue in NetworkReader during download abortion. fix(core-clp): Resolve lost wake-up issue in NetworkReader during download abortion. Jan 14, 2025
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For the PR title, how about:

 fix(core-clp): Resolve lost wake-up issue in `NetworkReader` after a download is aborted.

@LinZhihao-723 LinZhihao-723 changed the title fix(core-clp): Resolve lost wake-up issue in NetworkReader during download abortion. fix(core-clp): Resolve lost wake-up issue in NetworkReader after a download is aborted. Jan 14, 2025
@LinZhihao-723 LinZhihao-723 merged commit 1ecd9c7 into y-scope:main Jan 14, 2025
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