output/interface: document that Drain() may throw

2018-11-12 12:04:42 +01:00 · 2018-11-12 12:04:42 +01:00 · eddda95900
commit eddda95900
parent 72184dccfc
1 changed files with 2 additions and 0 deletions
--- a/src/output/Interface.hxx
+++ b/src/output/Interface.hxx
@ -159,6 +159,8 @@ public:

 	/**
 	 * Wait until the device has finished playing.
+	 *
+	 * Throws on error.
 	 */
 	virtual void Drain() {}