X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=liblttng-ust%2Fltt-probes.c;h=aeb6db65224340a311ca320142b841800b9e9772;hb=7bc53e94a229963972aa78880b361b1510fdd268;hp=9072d37e30f0eb5f8470ec583a0d586cd8f321ac;hpb=400033107ea279bb8a1530ddec13e1453dc4c4a3;p=lttng-ust.git

diff --git a/liblttng-ust/ltt-probes.c b/liblttng-ust/ltt-probes.c
index 9072d37e..aeb6db65 100644
--- a/liblttng-ust/ltt-probes.c
+++ b/liblttng-ust/ltt-probes.c
@@ -244,6 +244,28 @@ int ltt_probes_get_field_list(struct lttng_ust_field_list *list)
 				probe_desc->event_desc[i];
 			int j;
 
+			if (event_desc->nr_fields == 0) {
+				/* Events without fields. */
+				struct tp_field_list_entry *list_entry;
+
+				list_entry = zmalloc(sizeof(*list_entry));
+				if (!list_entry)
+					goto err_nomem;
+				cds_list_add(&list_entry->head, &list->head);
+				strncpy(list_entry->field.event_name,
+					event_desc->name,
+					LTTNG_UST_SYM_NAME_LEN);
+				list_entry->field.event_name[LTTNG_UST_SYM_NAME_LEN - 1] = '\0';
+				list_entry->field.field_name[0] = '\0';
+				list_entry->field.type = LTTNG_UST_FIELD_OTHER;
+				if (!event_desc->loglevel) {
+					list_entry->field.loglevel = TRACE_DEFAULT;
+				} else {
+					list_entry->field.loglevel = *(*event_desc->loglevel);
+				}
+				list_entry->field.nowrite = 1;
+			}
+
 			for (j = 0; j < event_desc->nr_fields; j++) {
 				const struct lttng_event_field *event_field =
 					&event_desc->fields[j];
@@ -296,6 +318,7 @@ int ltt_probes_get_field_list(struct lttng_ust_field_list *list)
 				} else {
 					list_entry->field.loglevel = *(*event_desc->loglevel);
 				}
+				list_entry->field.nowrite = event_field->nowrite;
 			}
 		}
 	}
@@ -367,13 +390,13 @@ void ltt_probes_create_wildcard_events(struct wildcard_entry *entry,
 
 				memcpy(&event_param, &wildcard->event_param,
 						sizeof(event_param));
-				memcpy(event_param.name,
+				strncpy(event_param.name,
 					event_desc->name,
 					sizeof(event_param.name));
+				event_param.name[sizeof(event_param.name) - 1] = '\0';
 				/* create event */
 				ret = ltt_event_create(wildcard->chan,
-					&event_param, NULL,
-					&ev);
+					&event_param, &ev);
 				if (ret) {
 					DBG("Error creating event");
 					continue;
@@ -383,5 +406,6 @@ void ltt_probes_create_wildcard_events(struct wildcard_entry *entry,
 			}
 		}
 	}
+	lttng_filter_wildcard_link_bytecode(wildcard);
 }