X-Git-Url: http://git.efficios.com/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Flib%2Flttng-ctl%2Flttng-ctl.c;h=afa741c05b93554c00ec5dd70d90472123176a8b;hp=03b74c0b74771a9d0be8158f152a617123799c47;hb=8d7f6956990e8d0e0f32a532321db44263c6903f;hpb=2001793c1141e89b34e70efb28b27ec0cc8e6d47

diff --git a/src/lib/lttng-ctl/lttng-ctl.c b/src/lib/lttng-ctl/lttng-ctl.c
index 03b74c0b7..afa741c05 100644
--- a/src/lib/lttng-ctl/lttng-ctl.c
+++ b/src/lib/lttng-ctl/lttng-ctl.c
@@ -150,7 +150,7 @@ end:
  * On success, returns the number of bytes sent (>=0)
  * On error, returns -1
  */
-static int send_session_varlen(void *data, size_t len)
+static int send_session_varlen(const void *data, size_t len)
 {
 	int ret;
 
@@ -400,7 +400,7 @@ static int disconnect_sessiond(void)
  */
 LTTNG_HIDDEN
 int lttng_ctl_ask_sessiond_varlen(struct lttcomm_session_msg *lsm,
-		void *vardata, size_t varlen, void **buf)
+		const void *vardata, size_t varlen, void **buf)
 {
 	int ret;
 	size_t size;
@@ -1525,7 +1525,7 @@ int lttng_create_session(const char *name, const char *url)
  * Destroy session using name.
  * Returns size of returned session payload data or a negative error code.
  */
-int lttng_destroy_session(const char *session_name)
+int _lttng_destroy_session(const char *session_name)
 {
 	struct lttcomm_session_msg lsm;
 
@@ -1542,6 +1542,48 @@ int lttng_destroy_session(const char *session_name)
 	return lttng_ctl_ask_sessiond(&lsm, NULL);
 }
 
+/*
+ * Stop the session and wait for the data before destroying it
+ */
+int lttng_destroy_session(const char *session_name)
+{
+	int ret;
+
+	/*
+	 * Stop the tracing and wait for the data.
+	 */
+	ret = _lttng_stop_tracing(session_name, 1);
+	if (ret && ret != -LTTNG_ERR_TRACE_ALREADY_STOPPED) {
+		goto end;
+	}
+
+	ret = _lttng_destroy_session(session_name);
+end:
+	return ret;
+}
+
+/*
+ * Destroy the session without waiting for the data.
+ */
+int lttng_destroy_session_no_wait(const char *session_name)
+{
+	int ret;
+
+	/*
+	 * Stop the tracing without waiting for the data.
+	 * The session might already have been stopped, so just
+	 * skip this error.
+	 */
+	ret = _lttng_stop_tracing(session_name, 0);
+	if (ret && ret != -LTTNG_ERR_TRACE_ALREADY_STOPPED) {
+		goto end;
+	}
+
+	ret = _lttng_destroy_session(session_name);
+end:
+	return ret;
+}
+
 /*
  * Ask the session daemon for all available sessions.
  * Sets the contents of the sessions array.