Add exchange functions to alias the poorly named set functions.
Add store without reading previous. Faster on non-x86 processors.
Add compare-exchange that updates previous to avoid redundant fetch.
On Windows, load bool without conversion from char.
On Windows, load using mov with compiler barrier. Still seq_cst.
On POSIX, use GCC __atomic builtins.
Code submissions have continually suffered from formatting
inconsistencies that constantly have to be addressed. Using
clang-format simplifies this by making code formatting more consistent,
and allows automation of the code formatting so that maintainers can
focus more on the code itself instead of code formatting.
jpark37
jp9000