[PATCH] Fix thread-safety for elfutils

[John Mellor-Crummey]

Any thoughts about the patch from my student, Heather McIntyre?
--
John Mellor-Crummey		Professor
Dept of Computer Science	Rice University
email: johnmc@rice.edu		phone: 713-348-5179

> On Aug 8, 2023, at 12:07 PM, Heather McIntyre <hsm2@rice.edu> wrote:
> 
> Hello all, 
> 
> This patch was created to address thread-safety issues reported in bug 26921 <https://sourceware.org/bugzilla/show_bug.cgi?id=26921> and bug 26930 <https://sourceware.org/bugzilla/show_bug.cgi?id=26930>.  
> Additionally, other thread-safety fixes were applied during the process.
> 
> Brief Description:
> Locking was implemented for tsearch and tfind.
> Changes to multiple files within the libelf library were made such that USE_LOCKS no longer causes tests to fail when enabled.
> New tests were added to confirm thread-safety. 
> 
> Please review the attached patch file and feel free to provide feedback. I am available for any clarifications or modifications needed.
> 
> Best regards,
> Heather McIntyre
> <0001-Fix-thread-safety-for-elfutils.patch>