X-Git-Url: http://git.efficios.com/?p=lttng-tools.git;a=blobdiff_plain;f=include%2Flttng%2Fevent.h;h=451a433517e35a6c98b915151ab29f8d1dd627ac;hp=630d6c1188dd0255e71c11f4c487b4160df1a1ca;hb=5129845658a1d277c22ca1b194ab59afa2d672f9;hpb=410b78a0be5045a1e0d85bdf3b3e0f2288825f0d

diff --git a/include/lttng/event.h b/include/lttng/event.h
index 630d6c118..451a43351 100644
--- a/include/lttng/event.h
+++ b/include/lttng/event.h
@@ -146,6 +146,25 @@ enum lttng_event_context_type {
 	LTTNG_EVENT_CONTEXT_MIGRATABLE		= 19,
 	LTTNG_EVENT_CONTEXT_CALLSTACK_KERNEL	= 20,
 	LTTNG_EVENT_CONTEXT_CALLSTACK_USER	= 21, /* Supported on x86_32 and x86_64 only. */
+	LTTNG_EVENT_CONTEXT_CGROUP_NS		= 22,
+	LTTNG_EVENT_CONTEXT_IPC_NS		= 23,
+	LTTNG_EVENT_CONTEXT_MNT_NS		= 24,
+	LTTNG_EVENT_CONTEXT_NET_NS		= 25,
+	LTTNG_EVENT_CONTEXT_PID_NS		= 26,
+	LTTNG_EVENT_CONTEXT_USER_NS		= 27,
+	LTTNG_EVENT_CONTEXT_UTS_NS		= 28,
+	LTTNG_EVENT_CONTEXT_UID			= 29,
+	LTTNG_EVENT_CONTEXT_EUID		= 30,
+	LTTNG_EVENT_CONTEXT_SUID		= 31,
+	LTTNG_EVENT_CONTEXT_GID			= 32,
+	LTTNG_EVENT_CONTEXT_EGID		= 33,
+	LTTNG_EVENT_CONTEXT_SGID		= 34,
+	LTTNG_EVENT_CONTEXT_VUID		= 35,
+	LTTNG_EVENT_CONTEXT_VEUID		= 36,
+	LTTNG_EVENT_CONTEXT_VSUID		= 37,
+	LTTNG_EVENT_CONTEXT_VGID		= 38,
+	LTTNG_EVENT_CONTEXT_VEGID		= 39,
+	LTTNG_EVENT_CONTEXT_VSGID		= 40,
 };
 
 enum lttng_event_field_type {
@@ -303,10 +322,30 @@ struct lttng_event_field {
 extern int lttng_list_events(struct lttng_handle *handle,
 		const char *channel_name, struct lttng_event **events);
 
+/*
+ * Create an lttng_event.
+ *
+ * This creation function, introduced in LTTng 2.11, works around
+ * the fact that the layout of the 'lttng_event' is publicly exposed.
+ *
+ * It allocates a larger object which exposes the same public fields
+ * as a 'struct lttng_event', but also allows the use of the following extended
+ * attribute setters:
+ *   - lttng_event_set_userspace_probe_location();
+ *
+ * Events created through this function must be destroyed using
+ * lttng_event_destroy().
+ *
+ * Returns a zeroed lttng_event on success, NULL on error.
+ */
 extern struct lttng_event *lttng_event_create(void);
 
-extern struct lttng_event *lttng_event_copy(const struct lttng_event *event);
-
+/*
+ * Destroy an lttng_event.
+ *
+ * This destruction function, introduced in LTTng 2.11, should only
+ * be used with events created by lttng_event_create().
+  */
 extern void lttng_event_destroy(struct lttng_event *event);
 
 /*
@@ -341,21 +380,24 @@ 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 struct lttng_userspace_probe_location *
-lttng_event_get_userspace_probe_location(struct lttng_event *event);
+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.
  *
+ * Note that the event must have been created using 'lttng_event_create()' in
+ * order for this call to succeed.
+ *
  * Returns 0 on success, or a negative LTTng error code on error.
  */
 extern int lttng_event_set_userspace_probe_location(struct lttng_event *event,