X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=include%2Flttng%2Flttng.h;h=6823579a9e2d4712976c53b07d8c2c296c6f66ca;hp=0c32d941af6e17e859a41857c0d800d7be0cb5c2;hb=44a5e5eb99f1d8b528f83fda5585677a3882f5f5;hpb=a24f7994321e1b114bf900b530604560786a9131

diff --git a/include/lttng/lttng.h b/include/lttng/lttng.h
index 0c32d941a..6823579a9 100644
--- a/include/lttng/lttng.h
+++ b/include/lttng/lttng.h
@@ -131,6 +131,15 @@ enum lttng_calibrate_type {
 	LTTNG_CALIBRATE_FUNCTION              = 0,
 };
 
+/* Health component for the health check function. */
+enum lttng_health_component {
+	LTTNG_HEALTH_CMD,
+	LTTNG_HEALTH_APP_REG,
+	LTTNG_HEALTH_KERNEL,
+	LTTNG_HEALTH_CONSUMER,
+	LTTNG_HEALTH_ALL,
+};
+
 /* Destination type of lttng URI */
 enum lttng_dst_type {
 	LTTNG_DST_IPV4                        = 1,
@@ -619,4 +628,16 @@ extern int lttng_enable_consumer(struct lttng_handle *handle);
  */
 extern int lttng_disable_consumer(struct lttng_handle *handle);
 
+/*
+ * Check session daemon health for a specific component.
+ *
+ * Return 0 if health is OK or 1 if BAD. A returned value of -1 indicate that
+ * the control library was not able to connect to the session daemon health
+ * socket.
+ *
+ * Any other positive value is an lttcomm error which can be translate with
+ * lttng_strerror().
+ */
+extern int lttng_health_check(enum lttng_health_component c);
+
 #endif /* _LTTNG_H */