From 54ae032a11f47de67e6ce6771147bc0abe3f8ac7 Mon Sep 17 00:00:00 2001
From: David Reid <mackron@gmail.com>
Date: Fri, 4 Dec 2020 17:56:26 +1000
Subject: [PATCH] Use atomics for getting/setting master volume.

Public issue https://github.com/mackron/miniaudio/issues/237
---
 miniaudio.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/miniaudio.h b/miniaudio.h
index e549b4b6..3648ee54 100644
--- a/miniaudio.h
+++ b/miniaudio.h
@@ -33655,7 +33655,7 @@ MA_API ma_result ma_device_set_master_volume(ma_device* pDevice, float volume)
         return MA_INVALID_ARGS;
     }
 
-    pDevice->masterVolumeFactor = volume;
+    c89atomic_exchange_f32(&pDevice->masterVolumeFactor, volume);
 
     return MA_SUCCESS;
 }
@@ -33671,7 +33671,7 @@ MA_API ma_result ma_device_get_master_volume(ma_device* pDevice, float* pVolume)
         return MA_INVALID_ARGS;
     }
 
-    *pVolume = pDevice->masterVolumeFactor;
+    *pVolume = c89atomic_load_f32(pVolume);
 
     return MA_SUCCESS;
 }