Merge branch 'master' into windows+cc

Conflicts (hopefully resolved):
	gtk2_ardour/ardour_ui.cc
	gtk2_ardour/ardour_ui.h
	gtk2_ardour/ardour_ui_options.cc

1 files changed, 9 insertions, 21 deletions

diff --git a/libs/ardour/graph.cc b/libs/ardour/graph.cc
index 69c4953272..f8a1d51e10 100644
--- a/libs/ardour/graph.cc
+++ b/libs/ardour/graph.cc
@@ -97,29 +97,24 @@ Graph::reset_thread_list ()
            number of threads.
         */
 
-        if (_thread_list.size() == num_threads) {
+        if (AudioEngine::instance()->process_thread_count() == num_threads) {
                 return;
         }
 
         Glib::Threads::Mutex::Lock lm (_session.engine().process_lock());
-	AudioBackendNativeThread a_thread;
 
-        if (!_thread_list.empty()) {
+        if (AudioEngine::instance()->process_thread_count() != 0) {
                 drop_threads ();
         }
 
-	if (AudioEngine::instance()->create_process_thread (boost::bind (&Graph::main_thread, this), &a_thread, 100000) != 0) {
+	if (AudioEngine::instance()->create_process_thread (boost::bind (&Graph::main_thread, this)) != 0) {
 		throw failed_constructor ();
 	}
 
-	_thread_list.push_back (a_thread);
-
         for (uint32_t i = 1; i < num_threads; ++i) {
-		if (AudioEngine::instance()->create_process_thread (boost::bind (&Graph::helper_thread, this), &a_thread, 100000) != 0) {
+		if (AudioEngine::instance()->create_process_thread (boost::bind (&Graph::helper_thread, this))) {
 			throw failed_constructor ();
 		}
-		
-		_thread_list.push_back (a_thread);
         }
 }
 
@@ -141,17 +136,15 @@ Graph::drop_threads ()
 {
         _quit_threads = true;
 
-        for (unsigned int i=0; i< _thread_list.size(); i++) {
+        uint32_t thread_count = AudioEngine::instance()->process_thread_count ();
+
+        for (unsigned int i=0; i < thread_count; i++) {
 		_execution_sem.signal ();
         }
 
         _callback_start_sem.signal ();
 
-        for (list<AudioBackendNativeThread>::iterator i = _thread_list.begin(); i != _thread_list.end(); ++i) {
-		AudioEngine::instance()->wait_for_process_thread_exit (*i);
-        }
-
-        _thread_list.clear ();
+	AudioEngine::instance()->join_process_threads ();
 
 	_execution_tokens = 0;
 
@@ -584,10 +577,5 @@ Graph::process_one_route (Route* route)
 bool
 Graph::in_process_thread () const
 {
-	for (list<AudioBackendNativeThread>::const_iterator i = _thread_list.begin (); i != _thread_list.end(); ++i) {
-		if (self_thread_equal (*i)) {
-			return true;
-		}
-	}
-	return false;
+	return AudioEngine::instance()->in_process_thread ();
 }