From edf9aa5917666815ba4c08cedf7a565627e2d6b3 Mon Sep 17 00:00:00 2001
From: yomnes0 <yomnes@haivision.com>
Date: Wed, 31 Jul 2024 09:49:26 +0200
Subject: [PATCH] [core] Add a mutable qualifier to m_Mutex from SharedMutex
 Add a lock to getReaderCount

---
 srtcore/sync.cpp | 1 +
 srtcore/sync.h   | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/srtcore/sync.cpp b/srtcore/sync.cpp
index e5ecbf5aa..eff84feda 100644
--- a/srtcore/sync.cpp
+++ b/srtcore/sync.cpp
@@ -453,5 +453,6 @@ void srt::sync::SharedMutex::unlock_shared()
 
 int srt::sync::SharedMutex::getReaderCount() const
 {
+    ScopedLock lk(m_Mutex);
     return m_iCountRead;
 }
\ No newline at end of file
diff --git a/srtcore/sync.h b/srtcore/sync.h
index 61dcece9a..c8ee88cce 100644
--- a/srtcore/sync.h
+++ b/srtcore/sync.h
@@ -956,7 +956,7 @@ class SharedMutex
     Condition  m_LockWriteCond;
     Condition  m_LockReadCond;
 
-    Mutex m_Mutex;
+    mutable Mutex m_Mutex;
 
     int m_iCountRead;
     bool m_bWriterLocked;