MACH_MSG_TYPE_MOVE_SEND_ONCE   23 src/pkg/runtime/defs_darwin_386.h 	MACH_MSG_TYPE_MOVE_SEND_ONCE	= 0x12,
MACH_MSG_TYPE_MOVE_SEND_ONCE   23 src/pkg/runtime/defs_darwin_amd64.h 	MACH_MSG_TYPE_MOVE_SEND_ONCE	= 0x12,