X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=include%2Flttng%2Flttng.h;h=7754bcdbce6de2352ab1d0f73c8cd8ae1a9d46a3;hp=0c32d941af6e17e859a41857c0d800d7be0cb5c2;hb=139ac87245fd1ca18d60a0efca32b50e4c1d8730;hpb=fceb65dfca20fb1e2071a44ada9fe61384d2b890

diff --git a/include/lttng/lttng.h b/include/lttng/lttng.h
index 0c32d941a..7754bcdbc 100644
--- a/include/lttng/lttng.h
+++ b/include/lttng/lttng.h
@@ -131,6 +131,16 @@ 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_MANAGE,
+	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 +629,16 @@ 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 */