t1400: Replace kill -0 with ps -p and remove redundant 2>/dev/null in pulse-wrapper.sh#2879
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Summary of ChangesHello, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed! This pull request refines the robustness and debuggability of process management within the Highlights
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This pull request refactors process liveness checks by replacing kill -0 with ps -p to avoid masking permission errors. It also removes a redundant 2>/dev/null from a cat command that is already guarded by a file existence check, improving visibility for other potential file access errors. The changes are consistent and align with the goal of improving script robustness and debuggability. I have reviewed the implementation and have no further feedback.
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This PR has merge conflicts after recent merges to main. Dispatching a worker to rebase and resolve conflicts. |
…ulse-wrapper.sh - Replace all 'kill -0 $pid 2>/dev/null' with 'ps -p $pid >/dev/null' to avoid masking EPERM errors (lines 122, 138, 891, 900) - Remove redundant 2>/dev/null from cat after -f existence check (line 1496) — the || echo fallback is sufficient; stderr suppression hides permission errors - Update inline comment referencing kill -0 to ps -p (line 906) Closes #2857
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kill -0 $pid 2>/dev/nullwithps -p $pid >/dev/nullto avoid masking EPERM errors when checking process liveness (lines 122, 138, 891, 900)2>/dev/nullfromcatafter-fexistence check (line 1496) — the|| echo "0"fallback handles failure; stderr suppression hides permission errorskill -0tops -p(line 906)Why
kill -0with2>/dev/nullsuppresses all stderr, including EPERM errors that indicate the process exists but is owned by another user.ps -pwith only stdout redirected preserves stderr visibility for debugging while still cleanly checking process existence. Similarly,catafter a-fcheck doesn't need stderr suppression — the file is known to exist, so anycatfailure (e.g., permission denied) should be visible.Verification
kill -0instances replaced (4 code + 1 comment)kill -0in the fileCloses #2857