Lines Matching +full:can +full:- +full:fd

10 process can create a virtual input device with specific capabilities. Once
11 this virtual device is created, the process can send events through it,
12 that will be delivered to userspace and in-kernel consumers.
28 create uinput devices and send events. libevdev is less error-prone than
38 ---------------
44 .. code-block:: c
48    void emit(int fd, int type, int code, int val)
59       write(fd, &ie, sizeof(ie));
66       int fd = open("/dev/uinput", O_WRONLY | O_NONBLOCK);
73       ioctl(fd, UI_SET_EVBIT, EV_KEY);
74       ioctl(fd, UI_SET_KEYBIT, KEY_SPACE);
82       ioctl(fd, UI_DEV_SETUP, &usetup);
83       ioctl(fd, UI_DEV_CREATE);
88        * to detect, initialize the new device, and can start listening to
95       emit(fd, EV_KEY, KEY_SPACE, 1);
96       emit(fd, EV_SYN, SYN_REPORT, 0);
97       emit(fd, EV_KEY, KEY_SPACE, 0);
98       emit(fd, EV_SYN, SYN_REPORT, 0);
106       ioctl(fd, UI_DEV_DESTROY);
107       close(fd);
113 ---------------
118 .. code-block:: c
129       int fd = open("/dev/uinput", O_WRONLY | O_NONBLOCK);
132       ioctl(fd, UI_SET_EVBIT, EV_KEY);
133       ioctl(fd, UI_SET_KEYBIT, BTN_LEFT);
135       ioctl(fd, UI_SET_EVBIT, EV_REL);
136       ioctl(fd, UI_SET_RELBIT, REL_X);
137       ioctl(fd, UI_SET_RELBIT, REL_Y);
145       ioctl(fd, UI_DEV_SETUP, &usetup);
146       ioctl(fd, UI_DEV_CREATE);
151        * to detect, initialize the new device, and can start listening to
158       while (i--) {
159          emit(fd, EV_REL, REL_X, 5);
160          emit(fd, EV_REL, REL_Y, 5);
161          emit(fd, EV_SYN, SYN_REPORT, 0);
171       ioctl(fd, UI_DEV_DESTROY);
172       close(fd);
179 --------------------
187 .. code-block:: c
196       int version, rc, fd;
198       fd = open("/dev/uinput", O_WRONLY | O_NONBLOCK);
199       rc = ioctl(fd, UI_GET_VERSION, &version);
210       ioctl(fd, UI_SET_EVBIT, EV_KEY);
211       ioctl(fd, UI_SET_KEYBIT, KEY_SPACE);
215       write(fd, &uud, sizeof(uud));
217       ioctl(fd, UI_DEV_CREATE);
222        * to detect, initialize the new device, and can start listening to
229       emit(fd, EV_KEY, KEY_SPACE, 1);
230       emit(fd, EV_SYN, SYN_REPORT, 0);
231       emit(fd, EV_KEY, KEY_SPACE, 0);
232       emit(fd, EV_SYN, SYN_REPORT, 0);
240       ioctl(fd, UI_DEV_DESTROY);
242       close(fd);