4 files changed, 16 insertions, 0 deletions
diff --git a/libs/ardour/ardour/audioengine.h b/libs/ardour/ardour/audioengine.h
index 330de4e285..d1e3f8a7ef 100644
--- a/libs/ardour/ardour/audioengine.h
+++ b/libs/ardour/ardour/audioengine.h
@@ -209,6 +209,9 @@ class LIBARDOUR_API AudioEngine : public SessionHandlePtr, public PortManager
 	void latency_callback (bool for_playback);
 	void halted_callback (const char* reason);
 
+	/* checks if current thread is properly set up for audio processing */
+	static bool thread_initialised_for_audio_processing ();
+
 	/* sets up the process callback thread */
 	static void thread_init_callback (void *);
 
diff --git a/libs/ardour/ardour/session_event.h b/libs/ardour/ardour/session_event.h
index 96145e7b29..0b29596408 100644
--- a/libs/ardour/ardour/session_event.h
+++ b/libs/ardour/ardour/session_event.h
@@ -134,6 +134,7 @@ public:
 
 	static const framepos_t Immediate = -1;
 
+    static bool has_per_thread_pool ();
 	static void create_per_thread_pool (const std::string& n, uint32_t nitems);
 	static void init_event_pool ();
 
diff --git a/libs/ardour/audioengine.cc b/libs/ardour/audioengine.cc
index c18b5dde38..86fc5f0221 100644
--- a/libs/ardour/audioengine.cc
+++ b/libs/ardour/audioengine.cc
@@ -1151,6 +1151,12 @@ AudioEngine::set_systemic_output_latency (uint32_t ol)
 	return _backend->set_systemic_output_latency  (ol);
 }
 
+bool
+AudioEngine::thread_initialised_for_audio_processing ()
+{
+    return SessionEvent::has_per_thread_pool () && AsyncMIDIPort::is_process_thread();
+}
+
 /* END OF BACKEND PROXY API */
 
 void
diff --git a/libs/ardour/session_events.cc b/libs/ardour/session_events.cc
index 53a26363b0..f375781143 100644
--- a/libs/ardour/session_events.cc
+++ b/libs/ardour/session_events.cc
@@ -42,6 +42,12 @@ SessionEvent::init_event_pool ()
 	pool = new PerThreadPool;
 }
 
+bool
+SessionEvent::has_per_thread_pool ()
+{
+    return pool->has_per_thread_pool ();
+}
+
 void
 SessionEvent::create_per_thread_pool (const std::string& name, uint32_t nitems)
 {