Make code using getifaddrs uncancellable to prevent a "Unexpected error 9 on netlink descriptor" error.

2026-04-13 16:31:32 +01:00
parent 93a7aeff81
commit 07ca1891da
1 changed files with 3 additions and 0 deletions
@@ -2828,6 +2828,8 @@ void handle_setup_2(rtsp_conn_info *conn, rtsp_message *req, rtsp_message *resp)
              plist_array_append_item(addresses, plist_new_string(conn->self_ip_string));
              //            debug(1,"self ip: \"%s\"", conn->self_ip_string);

+              int oldState;
+              pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &oldState);
              struct ifaddrs *addrs, *iap;
              getifaddrs(&addrs);
              for (iap = addrs; iap != NULL; iap = iap->ifa_next) {
@@ -2862,6 +2864,7 @@ void handle_setup_2(rtsp_conn_info *conn, rtsp_message *req, rtsp_message *resp)
                }
              }
              freeifaddrs(addrs);
+              pthread_setcancelstate(oldState, NULL);

              // debug(1,"initial timing peer command: \"%s\".", timing_list_message);
              // ptp_send_control_message_string(timing_list_message);