MACH_MSG_TYPE_MAKE_SEND_ONCE   26 src/pkg/runtime/defs_darwin_386.h 	MACH_MSG_TYPE_MAKE_SEND_ONCE	= 0x15,
MACH_MSG_TYPE_MAKE_SEND_ONCE   26 src/pkg/runtime/defs_darwin_amd64.h 	MACH_MSG_TYPE_MAKE_SEND_ONCE	= 0x15,