From 5544375002c582e43246ac7e70aa5e6e3c8c3654 Mon Sep 17 00:00:00 2001
From: Max Kellermann <max@musicpd.org>
Date: Tue, 2 Jan 2018 12:26:53 +0100
Subject: [PATCH] thread/SafeSingleton: pass parameters to constructor

---
 src/thread/SafeSingleton.hxx | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/thread/SafeSingleton.hxx b/src/thread/SafeSingleton.hxx
index ce2f4bb81..386c1f376 100644
--- a/src/thread/SafeSingleton.hxx
+++ b/src/thread/SafeSingleton.hxx
@@ -37,11 +37,12 @@ class SafeSingleton {
 	static T *instance;
 
 public:
-	SafeSingleton() {
+	template<typename... Args>
+	explicit SafeSingleton(Args&&... args) {
 		const std::lock_guard<Mutex> lock(mutex);
 
 		if (ref == 0)
-			instance = new T;
+			instance = new T(std::forward<Args>(args)...);
 
 		/* increment after creating the instance; this way is
 		   exception-safe, because we must not increment the