From c29d23b4c331ce90ee3744669641f4630a4f33f1 Mon Sep 17 00:00:00 2001
From: Max Kellermann <max.kellermann@gmail.com>
Date: Mon, 29 Jul 2024 23:08:48 +0200
Subject: [PATCH] input/thread: use notify_one() instead of notify_all()

There's only ever one waiter, and notify_one() may be faster than
notify_all().
---
 src/input/ThreadInputStream.cxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/input/ThreadInputStream.cxx b/src/input/ThreadInputStream.cxx
index dc8fa10a0..46dfea465 100644
--- a/src/input/ThreadInputStream.cxx
+++ b/src/input/ThreadInputStream.cxx
@@ -131,7 +131,7 @@ ThreadInputStream::Read(std::unique_lock<Mutex> &lock,
 			size_t nbytes = std::min(dest.size(), r.size());
 			memcpy(dest.data(), r.data(), nbytes);
 			buffer.Consume(nbytes);
-			wake_cond.notify_all();
+			wake_cond.notify_one();
 			offset += nbytes;
 			return nbytes;
 		}