Defined in 1 files as a prototype:

• libkern/libkern/OSAtomic.h, line 663 (as a prototype)

Defined in 1 files as a function:

• libkern/gen/OSSpinLock.c, line 41 (as a function)

Referenced in 2 files:

• iokit/IOKit/IOSharedLock.h, line 34
• tools/tests/TLBcoherency/TLBcoherency.c, line 192