From: "nagachika (Tomoyuki Chikanaga) via ruby-core" <ruby-core@...>
Date: 2023-03-25T01:37:18+00:00
Subject: [ruby-core:113004] [Ruby master Bug#18997] Don't define ruby_qsort when POSIX qsort_r is available

Issue #18997 has been updated by nagachika (Tomoyuki Chikanaga).

Backport changed from 2.7: REQUIRED, 3.0: REQUIRED, 3.1: REQUIRED to 2.7: REQUIRED, 3.0: REQUIRED, 3.1: DONTNEED

I don't think this is necessary to backport to stable branches.

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Bug #18997: Don't define ruby_qsort when POSIX qsort_r is available
https://bugs.ruby-lang.org/issues/18997#change-102537

* Author: delphij (Xin Li)
* Status: Closed
* Priority: Normal
* ruby -v: Not applicable
* Backport: 2.7: REQUIRED, 3.0: REQUIRED, 3.1: DONTNEED
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The current code would define ruby_qsort as a wrapper of qsort_s when it is available. When both qsort_s and POSIX (GNU) qsort_r are available, we should call qsort_r directly instead, and the qsort_s wrapper is redundant.

Proposed patch at https://github.com/ruby/ruby/pull/6332 and can be applied on Ruby 2.7 and newer Ruby versions



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