- if (!ctx->usb_source_present)
- return SR_OK;
-
-#ifdef _WIN32
- ctx->usb_thread_running = FALSE;
- g_mutex_unlock(&ctx->usb_mutex);
- libusb_unlock_events(ctx->libusb_ctx);
- g_thread_join(ctx->usb_thread);
- g_mutex_clear(&ctx->usb_mutex);
- sr_session_source_remove_pollfd(session, &ctx->usb_pollfd);
- CloseHandle(ctx->usb_event);
-#else
- const struct libusb_pollfd **lupfd;
- unsigned int i;
-
- lupfd = libusb_get_pollfds(ctx->libusb_ctx);
- for (i = 0; lupfd[i]; i++)
- sr_session_source_remove(session, lupfd[i]->fd);
- free(lupfd);
-#endif