+/*
+ * Return 0 in case the container is being rebooted, has been shut
+ * down or exited successfully. On failures a negative value is
+ * returned.
+ *
+ * The status of the container "CONTAINER_TERMINATED" or
+ * "CONTAINER_REBOOTED" will be saved in the container argument
+ */
+static int wait_for_container(pid_t pid, ContainerStatus *container) {
+ int r;
+ siginfo_t status;
+
+ r = wait_for_terminate(pid, &status);
+ if (r < 0)
+ return r;
+
+ switch (status.si_code) {
+ case CLD_EXITED:
+ r = status.si_status;
+ if (r == 0) {
+ if (!arg_quiet)
+ log_debug("Container %s exited successfully.",
+ arg_machine);
+
+ *container = CONTAINER_TERMINATED;
+ } else {
+ log_error("Container %s failed with error code %i.",
+ arg_machine, status.si_status);
+ r = -1;
+ }
+ break;
+
+ case CLD_KILLED:
+ if (status.si_status == SIGINT) {
+ if (!arg_quiet)
+ log_info("Container %s has been shut down.",
+ arg_machine);
+
+ *container = CONTAINER_TERMINATED;
+ r = 0;
+ break;
+ } else if (status.si_status == SIGHUP) {
+ if (!arg_quiet)
+ log_info("Container %s is being rebooted.",
+ arg_machine);
+
+ *container = CONTAINER_REBOOTED;
+ r = 0;
+ break;
+ }
+ /* CLD_KILLED fallthrough */
+
+ case CLD_DUMPED:
+ log_error("Container %s terminated by signal %s.",
+ arg_machine, signal_to_string(status.si_status));
+ r = -1;
+ break;
+
+ default:
+ log_error("Container %s failed due to unknown reason.",
+ arg_machine);
+ r = -1;
+ break;
+ }
+
+ return r;
+}
+
+static void nop_handler(int sig) {}
+