Add futex_(inc|dec|set) atomic operations

Add futex_t specific atomic operations and update
performance/harness.h to use them.

(Fix merge conflict from set_wait branch re. the futex_set_wait()
wrapper in futextest.h).

Signed-off-by: Darren Hart <dvhltc@us.ibm.com>
3 files changed
tree: 85f0f1fd1e8bd46f894b89aa5c5972c1d3fa4dbd
  1. functional/
  2. include/
  3. performance/
  4. stress/
  5. .gitignore
  6. Makefile
  7. README
  8. run.sh