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Title: [3.7] bpo-33329: Fix multiprocessing regression on newer glibcs (GH-6575) by miss-islington · Pull Request #6579 · python/cpython · GitHub

Open Graph Title: [3.7] bpo-33329: Fix multiprocessing regression on newer glibcs (GH-6575) by miss-islington · Pull Request #6579 · python/cpython

X Title: [3.7] bpo-33329: Fix multiprocessing regression on newer glibcs (GH-6575) by miss-islington · Pull Request #6579 · python/cpython

Description: Starting with glibc 2.27.9000-xxx, sigaddset() can return EINVAL for some reserved signal numbers between 1 and NSIG. The range(1, NSIG) idiom is commonly used to select all signals for blocking with pthread_sigmask. So we ignore the sigaddset() return value until we expose sigfillset() to provide a better idiom. (cherry picked from commit 25038ec) Co-authored-by: Antoine Pitrou pitrou@free.fr https://bugs.python.org/issue33329

Open Graph Description: Starting with glibc 2.27.9000-xxx, sigaddset() can return EINVAL for some reserved signal numbers between 1 and NSIG. The range(1, NSIG) idiom is commonly used to select all signals for blocking w...

X Description: Starting with glibc 2.27.9000-xxx, sigaddset() can return EINVAL for some reserved signal numbers between 1 and NSIG. The range(1, NSIG) idiom is commonly used to select all signals for blocking w...

Opengraph URL: https://github.com/python/cpython/pull/6579

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dafb489 bpo-33329: Fix multiprocessing regression on newer glibcs (GH-6575) pitrou Apr 23, 2018 https://github.com/python/cpython/pull/6579/commits/dafb48991f1a59dc41d6a8bed0678e1a6812a374
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