[3.14] gh-142571: Check for errors before calling each syscall in PyUnstable_CopyPerfMapFile() (GH-142460)
#142600
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…nstable_CopyPerfMapFile()` (pythonGH-142460) (cherry picked from commit 9fe6e3e) Co-authored-by: AZero13 <gfunni234@gmail.com> Co-authored-by: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.com> Co-authored-by: Victor Stinner <vstinner@python.org> Co-authored-by: Pablo Galindo Salgado <Pablogsal@gmail.com>
This was referenced Dec 11, 2025
pablogsal
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Dec 11, 2025
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(cherry picked from commit 9fe6e3e)
Co-authored-by: AZero13 gfunni234@gmail.com
Co-authored-by: Stan Ulbrych 89152624+StanFromIreland@users.noreply.github.com
Co-authored-by: Victor Stinner vstinner@python.org
Co-authored-by: Pablo Galindo Salgado Pablogsal@gmail.com
PyUnstable_CopyPerfMapFilecalls fflush even when the file fails to open. #142571