Refactor: Improve subprocess timeout handling#987
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ko1in1u merged 3 commits intogoogle:masterfrom Dec 22, 2025
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xianyuanjia
previously approved these changes
Aug 20, 2025
xpconanfan
reviewed
Aug 28, 2025
mhaoli
previously approved these changes
Sep 5, 2025
This refactors `run_command` to use `subprocess.Popen.communicate(timeout=...)` for a more robust timeout mechanism. The old method, relying on a custom `threading.Timer`, could fail to terminate stubborn processes like `fastboot oem dmesg` which ignore `SIGTERM`. The new approach uses `communicate()`, which sends a forceful `SIGKILL` on timeout, guaranteeing the process is terminated. This change also updates the code to use the modern `text` argument introduced in Python 3.7 to replace `universal_newlines`.
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mhaoli
approved these changes
Dec 16, 2025
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This refactors
run_commandto usesubprocess.Popen.communicate(timeout=...)for a more robust timeout mechanism.The old method, relying on a custom
threading.Timer, could fail to terminate stubborn processes likefastboot oem dmesgwhich ignoreSIGTERM. The new approach usescommunicate(), which sends a forcefulSIGKILLon timeout, guaranteeing the process is terminated.This change also updates the code to use the modern
textargument introduced in Python 3.7 to replaceuniversal_newlines.