ret = stat(path, &buf);
if (ret == -1 && errno == ENOENT) {
if (file_exist) {
- (void) poll(NULL, 0, 10); /* 10 ms delay */
- continue; /* retry */
+ /*
+ * The file does not exist. wait a bit and
+ * continue looping until it does.
+ */
+ (void) poll(NULL, 0, 10);
+ continue;
}
- break; /* File does not exist */
+
+ /*
+ * File does not exist and the exit condition we want.
+ * Break from the loop and return.
+ */
+ break;
}
if (ret) {
perror("stat");
exit(EXIT_FAILURE);
}
- break; /* found */
+ /*
+ * stat() returned 0, so the file exists. break now only if
+ * that's the exit condition we want.
+ */
+ if (file_exist) {
+ break;
+ }
}
}
lttng_start_tracing(session_name);
/* Wait for high notification */
- nc_status = lttng_notification_channel_get_next_notification(notification_channel, ¬ification);
+ do {
+ nc_status = lttng_notification_channel_get_next_notification(notification_channel, ¬ification);
+ } while (nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INTERRUPTED);
ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK
&& notification
&& lttng_condition_get_type(lttng_notification_get_condition(notification)) == LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH,
nc_status = lttng_notification_channel_subscribe(notification_channel, low_condition);
ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, "subscribe with pending notification");
- nc_status = lttng_notification_channel_get_next_notification(notification_channel, ¬ification);
+ do {
+ nc_status = lttng_notification_channel_get_next_notification(notification_channel, ¬ification);
+ } while (nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INTERRUPTED);
ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK
&& notification
&& lttng_condition_get_type(lttng_notification_get_condition(notification)) == LTTNG_CONDITION_TYPE_BUFFER_USAGE_LOW,
resume_application();
lttng_start_tracing(session_name);
- nc_status = lttng_notification_channel_get_next_notification(notification_channel, ¬ification);
+ do {
+ nc_status = lttng_notification_channel_get_next_notification(notification_channel, ¬ification);
+ } while (nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INTERRUPTED);
ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK && notification &&
lttng_condition_get_type(lttng_notification_get_condition(notification)) == LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH,
"High notification received after intermediary communication");
resume_consumer(argv);
wait_data_pending(session_name);
- nc_status = lttng_notification_channel_get_next_notification(notification_channel, ¬ification);
+ do {
+ nc_status = lttng_notification_channel_get_next_notification(notification_channel, ¬ification);
+ } while (nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INTERRUPTED);
ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK && notification &&
lttng_condition_get_type(lttng_notification_get_condition(notification)) == LTTNG_CONDITION_TYPE_BUFFER_USAGE_LOW,
"Low notification received after re-subscription");
/* Stop consumer to force a high notification */
lttng_start_tracing(session_name);
- nc_status = lttng_notification_channel_get_next_notification(notification_channel, ¬ification);
+ do {
+ nc_status = lttng_notification_channel_get_next_notification(notification_channel, ¬ification);
+ } while (nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INTERRUPTED);
ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK && notification &&
lttng_condition_get_type(lttng_notification_get_condition(notification)) == LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH,
"High notification");