refactor MIDISceneChange color property addition by moving it into SceneChange to...

[ardour.git] / libs / ardour / graph.cc

diff --git a/libs/ardour/graph.cc b/libs/ardour/graph.cc
index 8b3d24031bb7c679608fa368be8d7773f5610c0f..3e878533193afcada7f3d5d9f0bcb3958c890c2d 100644 (file)
--- a/libs/ardour/graph.cc
+++ b/libs/ardour/graph.cc
@@ -22,6 +22,7 @@
 
 #include "pbd/compose.h"
 #include "pbd/debug_rt_alloc.h"
+#include "pbd/pthread_utils.h"
 
 #include "ardour/debug.h"
 #include "ardour/graph.h"
@@ -31,8 +32,6 @@
 #include "ardour/process_thread.h"
 #include "ardour/audioengine.h"
 
-#include <jack/thread.h>
-
 #include "i18n.h"
 
 using namespace ARDOUR;
@@ -96,29 +95,24 @@ 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());
-       AudioBackendThread* backend_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), backend_thread, 100000) != 0) {
+       if (AudioEngine::instance()->create_process_thread (boost::bind (&Graph::main_thread, this)) != 0) {
                throw failed_constructor ();
        }
 
-       _thread_list.push_back (backend_thread);
-
         for (uint32_t i = 1; i < num_threads; ++i) {
-               if (AudioEngine::instance()->create_process_thread (boost::bind (&Graph::helper_thread, this), backend_thread, 100000) != 0) {
+               if (AudioEngine::instance()->create_process_thread (boost::bind (&Graph::helper_thread, this))) {
                        throw failed_constructor ();
                }
-               
-               _thread_list.push_back (backend_thread);
         }
 }
 
@@ -140,17 +134,15 @@ 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<AudioBackendThread*>::iterator i = _thread_list.begin(); i != _thread_list.end(); ++i) {
-               AudioEngine::instance()->join_process_thread (*i);
-        }
-
-        _thread_list.clear ();
+       AudioEngine::instance()->join_process_threads ();
 
        _execution_tokens = 0;
 
@@ -230,7 +222,7 @@ Graph::trigger (GraphNode* n)
 void
 Graph::dec_ref()
 {
-        if (g_atomic_int_dec_and_test (&_finished_refcount)) {
+        if (g_atomic_int_dec_and_test (const_cast<gint*> (&_finished_refcount))) {
 
                /* We have run all the nodes that are at the `output' end of
                   the graph, so there is nothing more to do this time around.
@@ -365,7 +357,7 @@ Graph::run_one()
        /* update the number of threads that will still be sleeping */
         _execution_tokens -= wakeup;
 
-        DEBUG_TRACE(DEBUG::ProcessThreads, string_compose ("%1 signals %2\n", pthread_self(), wakeup));
+        DEBUG_TRACE(DEBUG::ProcessThreads, string_compose ("%1 signals %2\n", pthread_name(), wakeup));
 
         for (int i = 0; i < wakeup; i++) {
                 _execution_sem.signal ();
@@ -374,12 +366,12 @@ Graph::run_one()
         while (to_run == 0) {
                 _execution_tokens += 1;
                 pthread_mutex_unlock (&_trigger_mutex);
-                DEBUG_TRACE (DEBUG::ProcessThreads, string_compose ("%1 goes to sleep\n", pthread_self()));
+                DEBUG_TRACE (DEBUG::ProcessThreads, string_compose ("%1 goes to sleep\n", pthread_name()));
                 _execution_sem.wait ();
                 if (_quit_threads) {
                         return true;
                 }
-                DEBUG_TRACE (DEBUG::ProcessThreads, string_compose ("%1 is awake\n", pthread_self()));
+                DEBUG_TRACE (DEBUG::ProcessThreads, string_compose ("%1 is awake\n", pthread_name()));
                 pthread_mutex_lock (&_trigger_mutex);
                 if (_trigger_queue.size()) {
                         to_run = _trigger_queue.back();
@@ -391,7 +383,7 @@ Graph::run_one()
         to_run->process();
         to_run->finish (_current_chain);
 
-        DEBUG_TRACE(DEBUG::ProcessThreads, string_compose ("%1 has finished run_one()\n", pthread_self()));
+        DEBUG_TRACE(DEBUG::ProcessThreads, string_compose ("%1 has finished run_one()\n", pthread_name()));
 
         return false;
 }
@@ -559,7 +551,7 @@ Graph::process_one_route (Route* route)
 
         assert (route);
 
-        DEBUG_TRACE (DEBUG::ProcessThreads, string_compose ("%1 runs route %2\n", pthread_self(), route->name()));
+        DEBUG_TRACE (DEBUG::ProcessThreads, string_compose ("%1 runs route %2\n", pthread_name(), route->name()));
 
         if (_process_silent) {
                 retval = route->silent_roll (_process_nframes, _process_start_frame, _process_end_frame, need_butler);