Cross Reference: /system/core/libusbhost/usbhost.c

Lines Matching refs:context
146 static void watch_existing_subdirs(struct usb_host_context *context,
152     wds[0] = inotify_add_watch(context->fd, USB_FS_DIR, IN_CREATE | IN_DELETE);
159         ret = inotify_add_watch(context->fd, path, IN_CREATE | IN_DELETE);
167     struct usb_host_context *context = calloc(1, sizeof(struct usb_host_context));
168     if (!context) {
172     context->fd = inotify_init();
173     if (context->fd < 0) {
175         free(context);
178     return context;
181 void usb_host_cleanup(struct usb_host_context *context)
183     close(context->fd);
184     free(context);
187 int usb_host_get_fd(struct usb_host_context *context)
189     return context->fd;
192 int usb_host_load(struct usb_host_context *context,
201     context->cb_added = added_cb;
202     context->cb_removed = removed_cb;
203     context->data = client_data;
208     context->wddbus = -1;
210         context->wds[i] = -1;
213     context->wdd = inotify_add_watch(context->fd, DEV_DIR, IN_CREATE | IN_DELETE);
214     if (context->wdd < 0) {
221     watch_existing_subdirs(context, context->wds, MAX_USBFS_WD_COUNT);
231 int usb_host_read_event(struct usb_host_context *context)
240     ret = read(context->fd, event_buf, sizeof(event_buf));
246             if (wd == context->wdd) {
248                     context->wddbus = inotify_add_watch(context->fd, DEV_BUS_DIR, IN_CREATE | IN_DELETE);
249                     if (context->wddbus < 0) {
252                         watch_existing_subdirs(context, context->wds, MAX_USBFS_WD_COUNT);
253                         done = find_existing_devices(context->cb_added, context->data);
256             } else if (wd == context->wddbus) {
258                     watch_existing_subdirs(context, context->wds, MAX_USBFS_WD_COUNT);
259                     done = find_existing_devices(context->cb_added, context->data);
262                         if (context->wds[i] >= 0) {
263                             inotify_rm_watch(context->fd, context->wds[i]);
264                             context->wds[i] = -1;
268             } else if (wd == context->wds[0]) {
276                         local_ret = inotify_add_watch(context->fd, path,
279                             context->wds[i] = local_ret;
280                         done = find_existing_devices_bus(path, context->cb_added,
281                                 context->data);
283                         inotify_rm_watch(context->fd, context->wds[i]);
284                         context->wds[i] = -1;
289                     if (wd == context->wds[i]) {
293                             done = context->cb_added(path, context->data);
296                             done = context->cb_removed(path, context->data);
309 void usb_host_run(struct usb_host_context *context,
317     done = usb_host_load(context, added_cb, removed_cb, discovery_done_cb, client_data);
321         done = usb_host_read_event(context);