Messages in this thread |  | | | Date | Tue, 1 Feb 2005 10:24:39 -0500 | | From | Dmitry Torokhov <> | | Subject | Re: [PATCH] Linux joydev joystick disconnect patch 2.6.11-rc2 |
| |
On Tue, 1 Feb 2005 08:52:15 -0600, David Fries <dfries@mail.win.org> wrote: > Currently a blocking read, select, or poll call will not return if a > joystick device is unplugged. This patch allows them to return. > ... > static unsigned int joydev_poll(struct file *file, poll_table *wait) > { > + int mask = 0; > struct joydev_list *list = file->private_data; > poll_wait(file, &list->joydev->wait, wait); > - if (list->head != list->tail || list->startup < list->joydev->nabs + list->joydev->nkey) > - return POLLIN | POLLRDNORM; > - return 0; > + if(!list->joydev->exist) > + mask |= POLLERR;
Probably need POLLHUP in addition (or instead of POLLERR).
> if (joydev->open) > + { > input_close_device(handle); > + wake_up_interruptible(&joydev->wait); > + } > else > + { > joydev_free(joydev); > + }
Opening braces should go on the same line as the statement (if (...) {). -- Dmitry - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
|  |