POLLHUP            22 native_client_sdk/src/libraries/nacl_io/include/sys/poll.h #define POLLHUP  0x0010   /* Connection closed on far side. */
POLLHUP            58 third_party/libusb/src/libusb/os/poll_windows.h #define POLLHUP     0x0010    /* Hung up */
POLLHUP           544 third_party/npapi/npspy/extern/nspr/md/_unixos.h #define	POLLHUP		0x0010		/* fd has been hung up on */