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[3.13] gh-142195: Fixed Popen.communicate indefinite loops (GH-143203)#143256

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Merged

gpshead merged 1 commit intopython:3.13frommiss-islington:backport-fa9a425-3.13

Dec 28, 2025

Merged

[3.13] gh-142195: Fixed Popen.communicate indefinite loops (GH-143203)#143256

gpshead merged 1 commit intopython:3.13frommiss-islington:backport-fa9a425-3.13

Dec 28, 2025

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miss-islington commentedDec 28, 2025•
edited by bedevere-appbot
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Changed condition to evaluate if timeout is less than or equals to 0. This is needed for simulated time environments such as Shadow where the time will match exactly on the boundary.

(cherry picked from commitfa9a425)

Co-authored-by: Prithviraj Chaudhurip.chaudhuri1993@gmail.com
Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot]@users.noreply.github.com>

Issue:Popen.communicate loops forever under deterministic emulated time #142195

pythongh-142195: Fixed Popen.communicate indefinite loops (pythonGH-1…

8f0fa6a

…43203)Changed condition to evaluate if timeout is less than or equals to 0. This is needed for simulated time environments such as Shadow where the time will match exactly on the boundary.---------(cherry picked from commitfa9a425)Co-authored-by: Prithviraj Chaudhuri <p.chaudhuri1993@gmail.com>Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot]@users.noreply.github.com>