kernel_pollfd 26 arch/um/drivers/ubd_user.c struct pollfd kernel_pollfd; kernel_pollfd 39 arch/um/drivers/ubd_user.c kernel_pollfd.fd = kernel_fd; kernel_pollfd 40 arch/um/drivers/ubd_user.c kernel_pollfd.events = POLLIN; kernel_pollfd 70 arch/um/drivers/ubd_user.c kernel_pollfd.events = POLLIN; kernel_pollfd 71 arch/um/drivers/ubd_user.c return poll(&kernel_pollfd, 1, timeout); kernel_pollfd 75 arch/um/drivers/ubd_user.c kernel_pollfd.events = POLLOUT; kernel_pollfd 76 arch/um/drivers/ubd_user.c return poll(&kernel_pollfd, 1, timeout);