[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [43886] trunk/blender/intern/cycles: Fix for Luxrender boost::thread conflict, workaround now is to just not use it

[Brecht Van Lommel]

Revision: 43886
          http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-blender&revision=43886
Author:   blendix
Date:     2012-02-04 19:58:09 +0000 (Sat, 04 Feb 2012)
Log Message:
-----------
Fix for Luxrender boost::thread conflict, workaround now is to just not use it
in cycles and use pthreads instead.

Modified Paths:
--------------
    trunk/blender/intern/cycles/SConscript
    trunk/blender/intern/cycles/util/util_thread.h

Modified: trunk/blender/intern/cycles/SConscript
===================================================================
--- trunk/blender/intern/cycles/SConscript	2012-02-04 19:57:09 UTC (rev 43885)
+++ trunk/blender/intern/cycles/SConscript	2012-02-04 19:58:09 UTC (rev 43886)
@@ -39,6 +39,9 @@
 else:
     cxxflags.append('-ffast-math'.split())
 
+if env['OURPLATFORM'] in ('win32-vc', 'win32-mingw', 'linuxcross', 'win64-vc'):
+    incs.append(env['BF_PTHREADS_INC'])
+
 # optimized kernel
 if env['WITH_BF_RAYOPTIMIZATION']:
     optim_cxxflags = []

Modified: trunk/blender/intern/cycles/util/util_thread.h
===================================================================
--- trunk/blender/intern/cycles/util/util_thread.h	2012-02-04 19:57:09 UTC (rev 43885)
+++ trunk/blender/intern/cycles/util/util_thread.h	2012-02-04 19:58:09 UTC (rev 43886)
@@ -20,30 +20,55 @@
 #define __UTIL_THREAD_H__
 
 #include <boost/thread.hpp>
+#include <pthread.h>
 #include <queue>
 
+#include "util_function.h"
+
 CCL_NAMESPACE_BEGIN
 
-#if 0
+/* use boost for mutexes */
 
-/* Use STL for threading */
+typedef boost::mutex thread_mutex;
+typedef boost::mutex::scoped_lock thread_scoped_lock;
+typedef boost::condition_variable thread_condition_variable;
 
-using std::thread;
-using std::thread_mutex;
-typedef std::lock_guard thread_scoped_lock;
-using std::condition_variable;
+/* own pthread based implementation, to avoid boost version conflicts with
+   dynamically loaded blender plugins */
 
-#else
+class thread {
+public:
+	thread(boost::function<void(void)> run_cb_)
+	{
+		joined = false;
+		run_cb = run_cb_;
 
-/* Use boost for threading */
+		pthread_create(&pthread_id, NULL, run, (void*)this);
+	}
 
-using boost::thread;
-typedef boost::mutex thread_mutex;
-typedef boost::mutex::scoped_lock thread_scoped_lock;
-typedef boost::condition_variable thread_condition_variable;
+	~thread()
+	{
+		if(!joined)
+			join();
+	}
 
-#endif
+	static void *run(void *arg)
+	{
+		((thread*)arg)->run_cb();;
+		return NULL;
+	}
 
+	bool join()
+	{
+		return pthread_join(pthread_id, NULL) == 0;
+	}
+
+protected:
+	boost::function<void(void)> run_cb;
+	pthread_t pthread_id;
+	bool joined;
+};
+
 /* Thread Safe Queue to pass tasks from one thread to another. Tasks should be
  * pushed into the queue, while the worker thread waits to pop the next task
  * off the queue. Once all tasks are into the queue, calling stop() will stop