177 EventDev::EventDev() : fd_(-1), path_("") {}  in EventDev()
178 EventDev::EventDev(const std::string& path) : fd_(-1), path_(path) {}  in EventDev()
179 EventDev::EventDev(EventDev&& other) : fd_(other.fd_), path_(std::move(other.path_)) {  in EventDev()
180     other.fd_ = -1;  in EventDev()
184     fd_ = other.fd_;  in operator =()
186     other.fd_ = -1;  in operator =()
190     if (fd_ >= 0) {  in grab()
193     fd_ = TEMP_FAILURE_RETRY(open(path_.c_str(), O_RDWR | O_NONBLOCK));  in grab()
194     if (fd_ < 0) {  in grab()
198     int error = ioctl(fd_, EVIOCGRAB, 1);  in grab()
202         close(fd_);  in grab()
203         fd_ = -1;  in grab()
210     if (fd_ < 0) {  in ungrab()
213     int error = ioctl(fd_, EVIOCGRAB, 0);  in ungrab()
217     close(fd_);  in ungrab()
218     fd_ = -1;  in ungrab()
224     rc = TEMP_FAILURE_RETRY(read(fd_, &std::get<1>(result), sizeof std::get<1>(result)));  in readEvent()
230     return fd_;  in fd()