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Title: gh-102179: Fix os.dup2() error reporting for negative fds by izbyshev · Pull Request #102180 · python/cpython · GitHub

Open Graph Title: gh-102179: Fix os.dup2() error reporting for negative fds by izbyshev · Pull Request #102180 · python/cpython

X Title: gh-102179: Fix os.dup2() error reporting for negative fds by izbyshev · Pull Request #102180 · python/cpython

Description: A remnant of old code manually checks the sign of fds, but doesn't set errno before raising OSError: >>> os.dup2(-1, 0) Traceback (most recent call last): File "", line 1, in OSError: [Errno 0] Error Remove the manual check altogether: the C library functions used to implement os.dup2() check fd validity anyway. Issue: gh-102179

Open Graph Description: A remnant of old code manually checks the sign of fds, but doesn't set errno before raising OSError: >>> os.dup2(-1, 0) Traceback (most recent call last): File "<stdin>&qu...

X Description: A remnant of old code manually checks the sign of fds, but doesn&#39;t set errno before raising OSError: &gt;&gt;&gt; os.dup2(-1, 0) Traceback (most recent call last): File &q...

Opengraph URL: https://github.com/python/cpython/pull/102180

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