X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=include%2Flttng%2Fsession.h;h=22419cbe726dc591e79bf1b15836183e5ffba4ef;hb=af0c0d75dd996dbf21bda2c8364f35c1e2ef7f0a;hp=e0594d2e82e452bf072d90899b945b2afc31be3c;hpb=36dc412872fcb66af429ad895bb6bf8eaf258d78;p=lttng-tools.git

diff --git a/include/lttng/session.h b/include/lttng/session.h
index e0594d2e8..22419cbe7 100644
--- a/include/lttng/session.h
+++ b/include/lttng/session.h
@@ -32,8 +32,16 @@ extern "C" {
  */
 #define LTTNG_SESSION_PADDING1             12
 struct lttng_session {
-	char name[NAME_MAX];
-	/* The path where traces are written */
+	char name[LTTNG_NAME_MAX];
+	/*
+	 * Human-readable representation of the trace's destination.
+	 * In the case of a local tracing session, a path is provided:
+	 *     /path/to/the/output
+	 *
+	 * In the case of a remote (network) tracing session, the string has
+	 * the following format:
+	 *     net://hostname/path:ctrl_port [data: data_port]
+	 */
 	char path[PATH_MAX];
 	uint32_t enabled;	/* enabled/started: 1, disabled/stopped: 0 */
 	uint32_t snapshot_mode;
@@ -90,12 +98,25 @@ extern int lttng_create_session_live(const char *name, const char *url,
  * The session will not be usable, tracing will be stopped thus buffers will be
  * flushed.
  *
+ * This call will wait for data availability for each domain of the session,
+ * which can take an arbitrary amount of time. However, when returning the
+ * tracing data is guaranteed to be ready to be read and analyzed.
+ *
+ * lttng_destroy_session_no_wait() may be used if such a guarantee is not
+ * needed.
+ *
  * The name can't be NULL here.
  *
  * Return 0 on success else a negative LTTng error code.
  */
 extern int lttng_destroy_session(const char *name);
 
+/*
+ * Behaves exactly like lttng_destroy_session but does not wait for data
+ * availability.
+ */
+extern int lttng_destroy_session_no_wait(const char *name);
+
 /*
  * List all the tracing sessions.
  *