Symbol: usb_filter_read
sys/bus/u4b/usb_dev.c
112
static int usb_filter_read(struct knote *kn, long hint);
sys/bus/u4b/usb_dev.c
1157
{ FILTEROP_ISFD | FILTEROP_MPSAFE, NULL, usb_filter_detach, usb_filter_read };