&uiter)) != -LTTNG_UST_ERR_NOENT) {
/* Handle ustctl error. */
if (ret < 0) {
- free(tmp_event);
if (ret != -LTTNG_UST_ERR_EXITING && ret != -EPIPE) {
ERR("UST app tp list get failed for app %d with ret %d",
app->sock, ret);
*/
break;
}
+ free(tmp_event);
goto rcu_error;
}
&uiter)) != -LTTNG_UST_ERR_NOENT) {
/* Handle ustctl error. */
if (ret < 0) {
- free(tmp_event);
if (ret != -LTTNG_UST_ERR_EXITING && ret != -EPIPE) {
ERR("UST app tp list field failed for app %d with ret %d",
app->sock, ret);
/*
* This is normal behavior, an application can die during the
* creation process. Don't report an error so the execution can
- * continue normally.
+ * continue normally. Reset list and count for next app.
*/
break;
}
+ free(tmp_event);
goto rcu_error;
}
struct snapshot_output *output, int wait, unsigned int nb_streams)
{
int ret = 0;
+ unsigned int snapshot_done = 0;
struct lttng_ht_iter iter;
struct ust_app *app;
char pathname[PATH_MAX];
if (ret < 0) {
goto error;
}
+ snapshot_done = 1;
}
break;
}
if (ret < 0) {
goto error;
}
+ snapshot_done = 1;
}
break;
}
break;
}
+ if (!snapshot_done) {
+ /*
+ * If no snapshot was made and we are not in the error path, this means
+ * that there are no buffers thus no (prior) application to snapshot
+ * data from so we have simply NO data.
+ */
+ ret = -ENODATA;
+ }
+
error:
rcu_read_unlock();
return ret;