Defined in 3 files as a prototype:

• osfmk/mach/semaphore.h, line 66 (as a prototype)
• osfmk/mach/semaphore.h, line 73 (as a prototype)
• osfmk/mach/semaphore.h, line 98 (as a prototype)

Defined in 2 files as a function:

• libsyscall/mach/semaphore.c, line 61 (as a function)
• osfmk/kern/sync_sema.c, line 867 (as a function)

Referenced in 2 files:

• bsd/kern/posix_sem.c, line 938
• iokit/Kernel/IOCommandQueue.cpp
  • line 221
  • line 269