don't modify tracy_SPSCQueue.h

public/client/TracyProfiler.cpp

@@ -2067,7 +2067,7 @@ void Profiler::Worker()
                 if( !connActive ) break;
             }
             if ( !m_symbolQueue.empty() )
-                m_symbolQueue.notify();
+                m_symbolQueueSignal.notify_one();
             if( !connActive || ShouldExit() ) break;
         }
         if( ShouldExit() ) break;
@@ -3659,7 +3659,10 @@ void Profiler::SymbolWorker()
                 s_symbolThreadGone.store( true, std::memory_order_release );
                 return;
             }
-            m_symbolQueue.wait( 20 );
+            // Symbol Worker is idle: wait for Profiler Worker to enqueue more symbol queries
+            // (having a timeout ensures progress even if notifications are missed)
+            std::unique_lock<std::mutex> lock( m_symbolQueueMutex );
+            m_symbolQueueSignal.wait_for( lock, std::chrono::milliseconds( 20 ), [this]() { return !m_symbolQueue.empty(); } );
         }
     }
 }

public/client/TracyProfiler.hpp

@@ -1051,6 +1051,8 @@ private:
 #endif
 
     SPSCQueue<SymbolQueueItem> m_symbolQueue;
+    std::condition_variable m_symbolQueueSignal;
+    std::mutex m_symbolQueueMutex;
 
     std::atomic<uint64_t> m_frameCount;
     std::atomic<bool> m_isConnected;

public/client/tracy_SPSCQueue.h

@@ -24,9 +24,7 @@ SOFTWARE.
 
 #include <atomic>
 #include <cassert>
-#include <condition_variable>
 #include <cstddef>
-#include <mutex>
 #include <stdexcept>
 #include <type_traits> // std::enable_if, std::is_*_constructible
 
@@ -121,21 +119,6 @@ public:
 
   size_t capacity() const noexcept { return capacity_ - 1; }
 
-  void notify()
-  {
-      pending_.notify_one();
-  }
-
-  void wait( int timeout_ms )
-  {
-      // enforce a minimum timeout, this way there's no need to be overzealous
-      // about missing notifications
-      timeout_ms = ( timeout_ms > 0 ) ? timeout_ms : 1;
-      std::chrono::milliseconds timeout{ timeout_ms };
-      std::unique_lock<std::mutex> lock( mtx_ );
-      pending_.wait_for( lock, timeout, [this]() { return !empty(); } );
-  }
-
 private:
   static constexpr size_t kCacheLineSize = 64;