Siva Chandra Reddy 1137255585 [libc] Add a class "Atomic" as a simple equivalent of std::atomic.
Only the methods currently required by the libc have been added.
Most of the existing uses of atomic operations have been switched over
to this new class. A future change will clean up the rest of uses.

This change now allows building mutex and condition variable code with a
C++ compiler which does not have stdatomic.h, for example g++.

Reviewed By: lntue

Differential Revision: https://reviews.llvm.org/D120642
2022-02-28 23:51:44 +00:00
..
2022-02-17 17:21:55 +00:00
2021-12-07 10:49:47 -08:00
2022-02-17 17:21:55 +00:00

LLVM libc
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