monitor: Allow missing sensors
Don't count sensors that don't exist as nonfunctional. Let some
other application decide if missing sensors are a problem or not.
Change-Id: Ie3d438c92df16bfd86ddc86db8a9dd143bf2cfb0
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/monitor/fan.hpp b/monitor/fan.hpp
index 8e7f86f..0004353 100644
--- a/monitor/fan.hpp
+++ b/monitor/fan.hpp
@@ -14,6 +14,13 @@
namespace monitor
{
+/**
+ * @class InvalidSensorError
+ *
+ * An exception type for sensors that don't exist or
+ * are otherwise inaccessible.
+ */
+class InvalidSensorError : public std::exception {};
/**
* @class Fan