@Documented @Retention(value=RUNTIME) @InheritedAnnotation @Target(value={METHOD,CONSTRUCTOR}) public @interface LockingFree
synchronized, it
contains no synchronized blocks, it contains no calls to
lock or unlock, and it contains no calls to other
non-@LockingFree methods.
@LockingFree provides a stronger guarantee than
@ReleasesNoLocks and a weaker guarantee than
@SideEffectFree.
MayReleaseLocks,
ReleasesNoLocks,
SideEffectFree,
Pure