[Bug 1858203] Re: Patch for glibc Bug 23538 - "Hang in pthread_cond_broadcast" not available on Ubuntu LTS

[Gregor Jasny]

The upstream glibc commit containing the patch is here:
https://sourceware.org/git/?p=glibc.git;a=commit;f=nptl/pthread_cond_common.c;h=99ea93ca31795469d2a1f1570f17a5c39c2eb7e2

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Title:
  Patch for glibc Bug 23538 - "Hang in pthread_cond_broadcast" not
  available on Ubuntu LTS

Status in glibc package in Ubuntu:
  New

Bug description:
  There is a patch for versions of glibc prior to 2.29 which fixes a
  hang that can occur when using pthread condition variables. [1]

  I was unable to locate the patch [2] in the glibc-source tree.
  However, I can confirm that the defect also occurs on Ubuntu 18.04
  with glibc 2.27-3.

  Would it be possible to backport the patch to the glibc version
  shipped with the current LTS of Ubuntu?

  Thanks!

  Martin

  [1] https://sourceware.org/bugzilla/show_bug.cgi?id=23538
  [2] https://sourceware.org/ml/libc-alpha/2018-08/msg00513.html

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