Use acquire-release semantics for changing deferred updates

2 files changed, 2 insertions, 2 deletions

diff --git a/alc/alc.cpp b/alc/alc.cpp
index bd88023b..31d06993 100644
--- a/alc/alc.cpp
+++ b/alc/alc.cpp
@@ -1621,7 +1621,7 @@ void SetDefaultChannelOrder(ALCdevice *device)
 void ALCcontext::processUpdates()
 {
     std::lock_guard<std::mutex> _{mPropLock};
-    if(mDeferUpdates.exchange(false))
+    if(mDeferUpdates.exchange(false, std::memory_order_acq_rel))
     {
         /* Tell the mixer to stop applying updates, then wait for any active
          * updating to finish, before providing updates.
diff --git a/alc/alcontext.h b/alc/alcontext.h
index a3da7e10..d62fc7d5 100644
--- a/alc/alcontext.h
+++ b/alc/alcontext.h
@@ -217,7 +217,7 @@ struct ALCcontext : public al::intrusive_ref<ALCcontext> {
      * This does *NOT* stop mixing, but rather prevents certain property
      * changes from taking effect.
      */
-    void deferUpdates() noexcept { mDeferUpdates.store(true); }
+    void deferUpdates() noexcept { mDeferUpdates.exchange(true, std::memory_order_acq_rel); }
 
     /** Resumes update processing after being deferred. */
     void processUpdates();