X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=include%2Flttng%2Fevent.h;h=a97f8ffaaf915f2077aadb4a0724019699a98c0c;hb=9a06e8d4d3891d5ddcafa6253236baff3b6ad518;hp=06a63ccba9dbb2626df9be08feb39707f0436d8b;hpb=b4e3ceb9d379829bc5d6ec799f83086317aeafd8;p=lttng-tools.git diff --git a/include/lttng/event.h b/include/lttng/event.h index 06a63ccba..a97f8ffaa 100644 --- a/include/lttng/event.h +++ b/include/lttng/event.h @@ -261,7 +261,7 @@ struct lttng_event { /* Offset 288 */ union { - char padding[8]; + uint64_t padding; void *ptr; } extended; @@ -295,6 +295,37 @@ struct lttng_event_field { extern int lttng_list_events(struct lttng_handle *handle, const char *channel_name, struct lttng_event **events); +/* + * Get the filter string of a specific LTTng event. + * + * If the call is successful, then the filter string's address is put + * in *filter_string. If the event has no filter string, *filter_string + * is set to NULL. The caller does NOT own *filter_string. + * + * Returns 0 on success, or a negative LTTng error code on error. + */ +extern int lttng_event_get_filter_string(struct lttng_event *event, + const char **filter_string); + +/* + * Get the number of exclusion names of a specific LTTng event. + * + * Returns the number of exclusion names on success, or a negative + * LTTng error code on error. + */ +extern int lttng_event_get_exclusion_name_count(struct lttng_event *event); + +/* + * Get an LTTng event's exclusion name at a given index. + * + * If the call is successful, then the exclusion name string's address + * is put in *exclusion_name. The caller does NOT own *exclusion_name. + * + * Returns 0 on success, or a negative LTTng error code on error. + */ +extern int lttng_event_get_exclusion_name(struct lttng_event *event, + size_t index, const char **exclusion_name); + /* * List the available tracepoints of a specific lttng domain. *