Improve performance by avoiding heavy lock contention

2 files changed, 17 insertions, 0 deletions

diff --git a/binaryninjaapi.h b/binaryninjaapi.h
index c986ac77..ed2d2cec 100644
--- a/binaryninjaapi.h
+++ b/binaryninjaapi.h
@@ -128,15 +128,18 @@ namespace BinaryNinja
 	{
 		static void LogMessageCallback(void* ctxt, BNLogLevel level, const char* msg);
 		static void CloseLogCallback(void* ctxt);
+		static BNLogLevel GetLogLevelCallback(void* ctxt);
 
 	public:
 		virtual ~LogListener() {}
 
 		static void RegisterLogListener(LogListener* listener);
 		static void UnregisterLogListener(LogListener* listener);
+		static void UpdateLogListeners();
 
 		virtual void LogMessage(BNLogLevel level, const std::string& msg) = 0;
 		virtual void CloseLog() {}
+		virtual BNLogLevel GetLogLevel() { return WarningLog; }
 	};
 
 	void Log(BNLogLevel level, const char* fmt, ...);
diff --git a/log.cpp b/log.cpp
index 7687a190..4b271a0f 100644
--- a/log.cpp
+++ b/log.cpp
@@ -21,12 +21,20 @@ void LogListener::CloseLogCallback(void* ctxt)
 }
 
 
+BNLogLevel LogListener::GetLogLevelCallback(void* ctxt)
+{
+	LogListener* listener = (LogListener*)ctxt;
+	return listener->GetLogLevel();
+}
+
+
 void LogListener::RegisterLogListener(LogListener* listener)
 {
 	BNLogListener callbacks;
 	callbacks.context = listener;
 	callbacks.log = LogMessageCallback;
 	callbacks.close = CloseLogCallback;
+	callbacks.getLogLevel = GetLogLevelCallback;
 	BNRegisterLogListener(&callbacks);
 }
 
@@ -41,6 +49,12 @@ void LogListener::UnregisterLogListener(LogListener* listener)
 }
 
 
+void LogListener::UpdateLogListeners()
+{
+	BNUpdateLogListeners();
+}
+
+
 static void PerformLog(BNLogLevel level, const char* fmt, va_list args)
 {
 #if defined(_MSC_VER)