X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fpbd%2Fpbd%2Fsignals.h;h=df4c9cef29331c5d3b0477143d932e0c7fc4df8e;hb=d19ec8ba46274bd41c251f81e63503183db15f08;hp=97cfa65300a1bacab25dda5ebc4c7722b30ed695;hpb=22b07e0233a29d9633ffa825a79503befaf2e16e;p=ardour.git

diff --git a/libs/pbd/pbd/signals.h b/libs/pbd/pbd/signals.h
index 97cfa65300..df4c9cef29 100644
--- a/libs/pbd/pbd/signals.h
+++ b/libs/pbd/pbd/signals.h
@@ -20,6 +20,8 @@
 #ifndef __pbd_signals_h__
 #define __pbd_signals_h__
 
+#include <csignal>
+
 #include <list>
 #include <map>
 
@@ -67,7 +69,7 @@ public:
 #endif
 
 protected:
-        Glib::Threads::Mutex _mutex;
+	mutable Glib::Threads::Mutex _mutex;
 #ifdef DEBUG_PBD_SIGNAL_CONNECTIONS
 	bool _debug_connection;
 #endif
@@ -76,7 +78,12 @@ protected:
 class LIBPBD_API Connection : public boost::enable_shared_from_this<Connection>
 {
 public:
-	Connection (SignalBase* b) : _signal (b) {}
+	Connection (SignalBase* b, PBD::EventLoop::InvalidationRecord* ir) : _signal (b), _invalidation_record (ir)
+	{
+		if (_invalidation_record) {
+			_invalidation_record->ref ();
+		}
+	}
 
 	void disconnect ()
 	{
@@ -87,15 +94,26 @@ public:
 		}
 	}
 
+	void disconnected ()
+	{
+		if (_invalidation_record) {
+			_invalidation_record->unref ();
+		}
+	}
+
 	void signal_going_away ()
 	{
 		Glib::Threads::Mutex::Lock lm (_mutex);
+		if (_invalidation_record) {
+			_invalidation_record->unref ();
+		}
 		_signal = 0;
 	}
 
 private:
         Glib::Threads::Mutex _mutex;
 	SignalBase* _signal;
+	PBD::EventLoop::InvalidationRecord* _invalidation_record;
 };
 
 template<typename R>