tree 269ee3c2ffed11d0c21ca7fb0bd9a9cecfec41bf
parent 064097da9370bb8830713321516268255ae4d737
author Siva Chandra Reddy <sivachandra@google.com> 1629955314 +0000
committer Copybara-Service <copybara-worker@google.com> 1630003831 -0700

[libc][NFC] Move the mutex implementation into a utility class.

This allows others parts of the libc to use the mutex types without
actually pulling in public function implementations.

Along the way, few cleanups have been done, like using a uniform type to
refer the linux futex word.

Reviewed By: michaelrj

Differential Revision: https://reviews.llvm.org/D108749

GitOrigin-RevId: 004c7b1da6cfea1d1f09535607a8c7c2f051e8d5