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[DynInst_API:] [dyninst/dyninst] b8b6d3: Make MappedFile::mapped_files threadsafe

Date: Fri, 18 Aug 2023 17:45:54 -0700
From: Tim Haines <noreply@xxxxxxxxxx>
Subject: [DynInst_API:] [dyninst/dyninst] b8b6d3: Make MappedFile::mapped_files threadsafe 
  Branch: refs/heads/thaines/fix_MappedFile_thread_safety
  Home:   https://github.com/dyninst/dyninst
  Commit: b8b6d3ab699a58f05595dd42dfd2b8f914b0890a
      https://github.com/dyninst/dyninst/commit/b8b6d3ab699a58f05595dd42dfd2b8f914b0890a
  Author: Tim Haines <thaines.astro@xxxxxxxxx>
  Date:   2023-08-18 (Fri, 18 Aug 2023)

  Changed paths:
    M common/src/MappedFile.C
    M common/src/MappedFile.h

  Log Message:
  -----------
  Make MappedFile::mapped_files threadsafe

Currently, a MappedFile is created from a constructor in either the
Symtab or Archive classes. In both cases, a user is allowed to invoke
them in parallel (although only one thread may enter the constructor),
but the cache here is not threadsafe.
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