tree dbe24578f65a7312c941a6468498be60c53315ff
parent 2d468697d9c1a6209c2ccf13f3b57ba548230655
author Ralf W. Grosse-Kunstleve <rwgk@google.com> 1626122346 -0700
committer GitHub <noreply@github.com> 1626122346 -0700
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Adding iostream.h thread-safety documentation. (#2995)

* Adding iostream.h thread-safety documentation.

* Restoring `TestThread` code with added `std::lock_guard<std::mutex>`.

* Updating new comments to reflect new information.

* Fixing up `git rebase -X theirs` accidents.