Defined in 2 files as a macro:

• iokit/IOKit/IOLib.h, line 443 (as a macro)
• iokit/IOKit/IOLib.h, line 445 (as a macro)

Referenced in 2 files:

• iokit/Kernel/IOUserServer.cpp
  • line 1386
  • line 6138
• iokit/System/IODataQueueDispatchSourceShared.h, line 271