+ if (name) {
+ ret = mi_lttng_writer_write_element_string(writer, config_element_name,
+ name);
+ if (ret) {
+ goto end;
+ }
+ }
+
+ if (!is_open) {
+ /* Closing Pid */
+ ret = mi_lttng_writer_close_element(writer);
+ }
+
+end:
+ return ret;
+}
+
+LTTNG_HIDDEN
+int mi_lttng_targets_open(struct mi_writer *writer)
+{
+ return mi_lttng_writer_open_element(writer,
+ config_element_targets);
+}
+
+LTTNG_HIDDEN
+int mi_lttng_pid_target(struct mi_writer *writer, pid_t pid, int is_open)
+{
+ int ret;
+
+ ret = mi_lttng_writer_open_element(writer,
+ config_element_target_pid);
+ if (ret) {
+ goto end;
+ }
+
+ /* Writing pid number
+ * Special case for element all on track untrack command
+ * All pid is represented as wildcard *
+ */
+ if ((int) pid == -1) {
+ ret = mi_lttng_writer_write_element_string(writer,
+ config_element_pid,
+ mi_lttng_element_track_untrack_all_wildcard);
+ } else {
+ ret = mi_lttng_writer_write_element_signed_int(writer,
+ config_element_pid, (int) pid);
+ }