libusb_event_handler_active 2139 third_party/libusb/src/libusb/io.c 	if (!libusb_event_handler_active(ctx)) {
libusb_event_handler_active 1769 third_party/libusb/src/libusb/libusb.h int LIBUSB_CALL libusb_event_handler_active(libusb_context *ctx);