POLLHUP            38 srclib/apr/poll/unix/poll.c         rv |= POLLHUP;
POLLHUP            57 srclib/apr/poll/unix/poll.c     if (event & POLLHUP)
POLLHUP            35 srclib/apr/poll/unix/port.c         rv |= POLLHUP;
POLLHUP            54 srclib/apr/poll/unix/port.c     if (event & POLLHUP)