Fix: userspace probe accessors are not const-correct

[lttng-tools.git] / include / lttng / event.h

diff --git a/include/lttng/event.h b/include/lttng/event.h
index b89590dbde01c44d402979afc27d045ea01a0fab..3f260c0a5d4479534fa86a2f2dac529245e66d9c 100644 (file)
--- a/include/lttng/event.h
+++ b/include/lttng/event.h
@@ -24,6 +24,7 @@ extern "C" {
 #endif
 
 #include <lttng/handle.h>
+#include <lttng/userspace-probe.h>
 
 /*
  * Instrumentation type of tracing event.
@@ -36,6 +37,7 @@ enum lttng_event_type {
        LTTNG_EVENT_FUNCTION_ENTRY            = 3,
        LTTNG_EVENT_NOOP                      = 4,
        LTTNG_EVENT_SYSCALL                   = 5,
+       LTTNG_EVENT_USERSPACE_PROBE           = 6,
 };
 
 /*
@@ -301,6 +303,12 @@ struct lttng_event_field {
 extern int lttng_list_events(struct lttng_handle *handle,
                const char *channel_name, struct lttng_event **events);
 
+extern struct lttng_event *lttng_event_create(void);
+
+extern struct lttng_event *lttng_event_copy(const struct lttng_event *event);
+
+extern void lttng_event_destroy(struct lttng_event *event);
+
 /*
  * Get the filter expression of a specific LTTng event.
  *
@@ -333,6 +341,26 @@ extern int lttng_event_get_exclusion_name_count(struct lttng_event *event);
 extern int lttng_event_get_exclusion_name(struct lttng_event *event,
                size_t index, const char **exclusion_name);
 
+
+/*
+ * Get the userspace probe location of a specific LTTng event.
+ * If the call is successful, then a pointer to the probe location is returned.
+ * If the event has no probe location a NULL pointer is returned. The caller
+ * does not own the returned probe location.
+ */
+extern const struct lttng_userspace_probe_location *
+lttng_event_get_userspace_probe_location(const struct lttng_event *event);
+
+/*
+ * Set an LTTng event's userspace probe location.
+ * If the call is successful, then the probe location is set to the event. The
+ * ownership of the probe_location is given to the event.
+ *
+ * Returns 0 on success, or a negative LTTng error code on error.
+ */
+extern int lttng_event_set_userspace_probe_location(struct lttng_event *event,
+               struct lttng_userspace_probe_location *probe_location);
+
 /*
  * List the available tracepoints of a specific lttng domain.
  *