Ralf W. Grosse-Kunstleve 7472d37a93
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.
2021-07-12 13:39:06 -07:00
..
2021-07-10 11:16:07 -07:00