merged branches and removed traces

Makefile.in

@@ -41,7 +41,7 @@ libdir = @libdir@
 infodir = @infodir@
 mandir = @mandir@
 
-SpiralPlugins = @PLUGINDIR@
+SpiralPlugins = $(libdir)/SpiralPlugins
 
 ####### Files
 
@@ -57,9 +57,11 @@ HEADERS =	SpiralSynthModular.h \
 		SpiralSound/Plugins/SpiralPlugin.h \
 		SpiralSound/Plugins/SpiralPluginGUI.h \
 		SpiralSound/PluginManager.h \
+		SpiralSound/ChannelHandler.h \
 		SettingsWindow.h \
 		SpiralSynthPluginLocation.h
-SOURCES =	SpiralSynthModular.C \
+SOURCES =	main.cpp \
+		SpiralSynthModular.C \
 		SpiralSynthModularInfo.C \
 		GraphSort.C \
 		GUI/Widgets/Fl_DeviceGUI.C \
@@ -71,8 +73,10 @@ SOURCES =	SpiralSynthModular.C \
 		SpiralSound/Plugins/SpiralPlugin.C \
 		SpiralSound/Plugins/SpiralPluginGUI.C \
 		SpiralSound/PluginManager.C \
+		SpiralSound/ChannelHandler.C \
 		SettingsWindow.C
-OBJECTS =	SpiralSynthModular.o \
+OBJECTS =	main.o \
+		SpiralSynthModular.o \
 		SpiralSynthModularInfo.o \
 		GraphSort.o \
 		GUI/Widgets/Fl_DeviceGUI.o \
@@ -84,6 +88,7 @@ OBJECTS =	SpiralSynthModular.o \
 		SpiralSound/Plugins/SpiralPlugin.o \
 		SpiralSound/Plugins/SpiralPluginGUI.o \
 		SpiralSound/PluginManager.o \
+		SpiralSound/ChannelHandler.o \
 		SettingsWindow.o
 INTERFACES =	
 UICDECLS =	
@@ -91,7 +96,7 @@ UICIMPLS =
 SRCMOC	=	
 OBJMOC	=	
 DIST	=	
-TARGET	=	SpiralSynthModular
+TARGET	=	spiralsynthmodular
 
 SUBDIRS	=	@PLUGINLIST@
 
@@ -165,6 +170,9 @@ uninstall:
 
 ####### Compile
 
+main.o : 	main.cpp \
+		SpiralSynthModular.h
+
 SpiralSynthModular.o: SpiralSynthModular.C \
 		SpiralSynthModular.h \
 		SpiralSynthModularInfo.h \
@@ -191,6 +199,9 @@ SpiralSynthModularInfo.o: SpiralSynthModularInfo.C \
 GraphSort.o: GraphSort.C \
 		GraphSort.h
 
+SpiralSound/ChannelHandler.o: SpiralSound/ChannelHandler.C \
+		SpiralSound/ChannelHandler.h
+
 GUI/Widgets/Fl_DeviceGUI.o: GUI/Widgets/Fl_DeviceGUI.C \
 		GUI/Widgets/Fl_DeviceGUI.h \
 		GUI/Widgets/Fl_DragBar.H \

SpiralSynthModular.C

@@ -29,6 +29,7 @@
 
 #include "SpiralSynthModular.h"
 #include "SpiralSound/PluginManager.h"
+#include "SpiralSound/Plugins/SpiralPluginGUI.h"
 
 #include "GUI/SSM.xpm"
 #include "GUI/load.xpm"
@@ -40,7 +41,7 @@
 
 //#define DEBUG_PLUGINS
 
-const static string LABEL = "SpiralSynthModular 0.1.1b1";
+const static string LABEL = "SpiralSynthModular 0.1.1 MultiThreaded";
 static string TITLEBAR;
 
 static const int FILE_VERSION = 3;
@@ -71,7 +72,8 @@ SynthModular::SynthModular():
 m_NextID(0),
 m_NextPluginButton(1),
 m_NextPluginButtonXPos(5),
-m_NextPluginButtonYPos(20)
+m_NextPluginButtonYPos(20),
+m_PauseAudio(false)
 { 	
 	m_Info.BUFSIZE    = SpiralInfo::BUFSIZE;
 	m_Info.FRAGSIZE   = SpiralInfo::FRAGSIZE;
@@ -83,6 +85,8 @@ m_NextPluginButtonYPos(20)
 	//m_Info.GUI_COLOUR = SpiralInfo::GUI_COLOUR;
 	
 	for (int n=0; n<512; n++) Numbers[n]=n;	
+	
+	m_CH.Register("PauseAudio",&m_PauseAudio);
 }
 
 //////////////////////////////////////////////////////////
@@ -97,6 +101,8 @@ SynthModular::~SynthModular()
 
 void SynthModular::ClearUp()
 {
+	PauseAudio();
+	
 	for(map<int,DeviceWin*>::iterator i=m_DeviceWinMap.begin();
 		i!=m_DeviceWinMap.end(); i++)
 	{
@@ -113,13 +119,29 @@ void SynthModular::ClearUp()
 	m_Canvas->Clear();
 	m_DeviceWinMap.clear();
 	m_NextID=0;
+	
+	ResumeAudio();
 }
 
 //////////////////////////////////////////////////////////
 
 void SynthModular::Update()
 {	
-	// run the plugins
+	m_CH.UpdateDataNow();
+		
+	if (m_PauseAudio) return;
+		
+	// for all the plugins
+	for(map<int,DeviceWin*>::iterator i=m_DeviceWinMap.begin();
+		i!=m_DeviceWinMap.end(); i++)
+	{
+		// updates the data from the gui thread, if it's not blocking
+ 		i->second->m_Device->UpdateChannelHandler();
+	    // run any commands we've received from the GUI's
+		i->second->m_Device->ExecuteCommands();
+	}
+	
+	// run the plugins (only ones connected to anything)
 	list<int> ExecutionOrder = m_Canvas->GetGraph()->GetSortedList();
 	for (list<int>::reverse_iterator i=ExecutionOrder.rbegin(); 
 		 i!=ExecutionOrder.rend(); i++)
@@ -127,7 +149,7 @@ void SynthModular::Update()
 		// use the graphsort order to remove internal latency
 		map<int,DeviceWin*>::iterator di=m_DeviceWinMap.find(*i);
 		if (di!=m_DeviceWinMap.end() && di->second->m_Device) 
-		{
+		{		
 			#ifdef DEBUG_PLUGINS
 			cerr<<"Executing plugin "<<di->second->m_PluginID<<endl;
 			#endif
@@ -149,6 +171,11 @@ void SynthModular::UpdatePluginGUIs()
 	for (map<int,DeviceWin*>::iterator i=m_DeviceWinMap.begin(); 
 		 i!=m_DeviceWinMap.end(); i++)
 	{	
+		if (i->second->m_DeviceGUI->GetPluginWindow())
+		{
+			i->second->m_DeviceGUI->GetPluginWindow()->redraw();
+		}
+		
 		if (i->second->m_DeviceGUI->Killed())
 		{
 			if (i->second->m_DeviceGUI->GetPluginWindow())
@@ -160,7 +187,12 @@ void SynthModular::UpdatePluginGUIs()
 			m_Canvas->RemoveDevice(i->second->m_DeviceGUI);			
 			// deleted by Canvas::Remove()? seems to cause random crashes 
 			//delete i->second->m_DeviceGUI;			
-			if (i->second->m_Device) delete i->second->m_Device;
+			if (i->second->m_Device) 
+			{
+				PauseAudio();
+				delete i->second->m_Device;
+				ResumeAudio();
+			}
 			m_DeviceWinMap.erase(i);
 			break;
 		}
@@ -497,6 +529,7 @@ DeviceWin* SynthModular::NewDeviceWin(int n, int x, int y)
 
 	if (temp) 
 	{	
+		temp->hide();
 		temp->position(200,50);
 		m_AppGroup->add(temp);		
 		m_MainWindow->redraw();
@@ -578,7 +611,7 @@ void SynthModular::UpdateHostInfo()
 	str<<*this;
 	
 	ClearUp();
-	
+				
 	// update the settings
 	m_Info.BUFSIZE    = SpiralInfo::BUFSIZE;
 	m_Info.FRAGSIZE   = SpiralInfo::FRAGSIZE;
@@ -603,6 +636,8 @@ void SynthModular::cb_Update(void* o, bool mode)
 
 istream &operator>>(istream &s, SynthModular &o)
 {	
+	o.PauseAudio();
+
 	string dummy;
 	int ver;
 	s>>dummy>>dummy>>dummy>>ver;
@@ -666,8 +701,19 @@ istream &operator>>(istream &s, SynthModular &o)
 				temp->m_Device->SetUpdateInfoCallback(ID,o.cb_UpdatePluginInfo);					
 				o.m_DeviceWinMap[ID]=temp;
 				o.m_DeviceWinMap[ID]->m_Device->StreamIn(s); // load the plugin
+ 				
 				if (ver>1 && o.m_DeviceWinMap[ID]->m_DeviceGUI->GetPluginWindow()) 
 				{
+					// set the GUI up with the loaded values
+					// looks messy, but if we do it here, the plugin and it's gui can remain
+					// totally seperated.
+					((SpiralPluginGUI*)(o.m_DeviceWinMap[ID]->m_DeviceGUI->GetPluginWindow()))->
+						UpdateValues(o.m_DeviceWinMap[ID]->m_Device);
+
+					// updates the data in the channel buffers, so the values don't
+					// get overwritten in the next tick. (should maybe be somewhere else)
+					o.m_DeviceWinMap[ID]->m_Device->GetChannelHandler()->FlushChannels();
+
 					// position the plugin window in the main window
 					o.m_DeviceWinMap[ID]->m_DeviceGUI->GetPluginWindow()->position(px,py);
 						
@@ -692,6 +738,8 @@ istream &operator>>(istream &s, SynthModular &o)
 
 	s>>*o.m_Canvas;
 
+	o.ResumeAudio();
+
 	return s;
 }
 
@@ -699,6 +747,8 @@ istream &operator>>(istream &s, SynthModular &o)
 
 ostream &operator<<(ostream &s, SynthModular &o)
 {
+	o.PauseAudio();
+
 	s<<"SpiralSynthModular File Ver "<<FILE_VERSION<<endl;
 		
 	// make external files dir
@@ -772,6 +822,8 @@ ostream &operator<<(ostream &s, SynthModular &o)
 		system(command.c_str());
 	}
 	
+	o.ResumeAudio();
+
 	return s;
 }
 
@@ -810,7 +862,7 @@ inline void SynthModular::cb_Load_i(Fl_Button* o, void* v)
 			
 			ClearUp();
 			inf>>*this;
-			
+						
 			TITLEBAR=LABEL+" "+fn;
 			m_TopWindow->label(TITLEBAR.c_str());
 		}
@@ -842,9 +894,9 @@ inline void SynthModular::cb_Save_i(Fl_Button* o, void* v)
 		if (of)
 		{	
 			m_FilePath=fn;
-		
+			
 			of<<*this;
-						
+					
 			TITLEBAR=LABEL+" "+fn;
 			m_TopWindow->label(TITLEBAR.c_str());
 		}
@@ -1024,7 +1076,7 @@ void SynthModular::LoadPatch(const char *fn)
 	{	
 	    m_FilePath=fn;	
 
-	    ClearUp();
+		ClearUp();
 	    inf>>*this;
 
 	    TITLEBAR=LABEL+" "+fn;
@@ -1033,46 +1085,3 @@ void SynthModular::LoadPatch(const char *fn)
 }
 
 //////////////////////////////////////////////////////////
-//////////////////////////////////////////////////////////
-
-int main(int argc, char **argv)
-{	
-	srand(time(NULL));
-	SpiralSynthModularInfo::Get()->LoadPrefs();
-	
-	// get args
-    string cmd_filename="";
-    bool cmd_specd = false;
-    if (argc>1) 
-	{
-        cmd_filename = argv[1];
-        cmd_specd = true;
-    }	
-	
-	Fl::visual(FL_DOUBLE|FL_RGB);
-	
-	SynthModular *synth=new SynthModular;
-	
-	Fl_Window* win = synth->CreateWindow();
-	synth->LoadPlugins();
-	win->xclass("");
-	win->show(argc, argv); // prevents stuff happening before the plugins have loaded
-	
-	Fl_Tooltip::size(10);	
-	Fl::visible_focus(false);
-		
-	// do we need to load a patch on startup? 
-    if (cmd_specd) synth->LoadPatch(cmd_filename.c_str());        
-
-    for (;;) 
-	{
-    	if (!Fl::check()) break;
-		if (!synth->CallbackMode()) synth->Update();
-		synth->UpdatePluginGUIs(); // deletes any if necc
-		//else Fl::wait();
-  	}
-	
-	delete synth;	
-	return 1;
-}
-

SpiralSynthModular.h

@@ -36,6 +36,7 @@
 #include "GUI/Widgets/Fl_CommentGUI.h"
 #include "GUI/Widgets/Fl_Canvas.h"
 #include "SpiralSound/Plugins/SpiralPlugin.h"
+#include "SpiralSound/ChannelHandler.h"
 #include "SettingsWindow.h"
 
 typedef Fl_Double_Window SpiralWindowType;
@@ -71,6 +72,17 @@ public:
 	void UpdatePluginGUIs();
 	void LoadPatch(const char *fn);	
 	
+	void PauseAudio() 
+	{
+		m_CH.Set("PauseAudio",true);
+		m_CH.Wait();
+	}
+
+	void ResumeAudio()
+	{
+		m_CH.Set("PauseAudio",false);
+	}
+	
 private:
 
 	DeviceWin* NewDeviceWin(int n, int x, int y);
@@ -121,6 +133,9 @@ private:
 
 	vector<Fl_Button*> m_DeviceVec;
 	
+	ChannelHandler m_CH; // used for threadsafe communication
+	bool m_PauseAudio;
+	
 	inline void cb_NewDevice_i(Fl_Button* o, void* v);
     static void cb_NewDevice(Fl_Button* o, void* v);
 	inline void cb_NewDeviceFromMenu_i(Fl_Canvas* o, void* v);

SpiralSynthModularInfo.C

@@ -86,25 +86,15 @@ SpiralSynthModularInfo::SpiralSynthModularInfo()
 	PLUGINVEC.push_back("FilterPlugin.so");	
 	PLUGINVEC.push_back("SVFilterPlugin.so");	
 	PLUGINVEC.push_back("MoogFilterPlugin.so");	
-	PLUGINVEC.push_back("WaveShaperPlugin.so");	
 	PLUGINVEC.push_back("EchoPlugin.so");	
 	PLUGINVEC.push_back("DelayPlugin.so");	
-	PLUGINVEC.push_back("SamplerPlugin.so");	
-	PLUGINVEC.push_back("SeqPlugin.so");	
 	PLUGINVEC.push_back("MatrixPlugin.so");	
-	PLUGINVEC.push_back("SeqSelectorPlugin.so");	
 	PLUGINVEC.push_back("EnvFollowerPlugin.so");	
 	PLUGINVEC.push_back("SmoothPlugin.so");
 	PLUGINVEC.push_back("LADSPAPlugin.so");	
 	PLUGINVEC.push_back("XFadePlugin.so");
-	PLUGINVEC.push_back("StreamPlugin.so");
-	PLUGINVEC.push_back("SpiralLoopPlugin.so");
-	PLUGINVEC.push_back("PoshSamplerPlugin.so");
-	PLUGINVEC.push_back("ComplexEnvelopePlugin.so");
 	PLUGINVEC.push_back("DistributorPlugin.so");
-	PLUGINVEC.push_back("JoystickPlugin.so");
 	PLUGINVEC.push_back("LFOPlugin.so");
-	PLUGINVEC.push_back("MeterPlugin.so");
 }
 
 void SpiralSynthModularInfo::StreamInPrefs(istream &s)

SpiralSynthModularInfo.h

@@ -40,7 +40,7 @@ public:
 protected:
 	SpiralSynthModularInfo();
 	
-	virtual string GetResFileName() { return ".SpiralSynthModular"; }
+	virtual string GetResFileName() { return ".SpiralSynthModularMT"; }
 	
 	static SpiralSynthModularInfo *m_SpiralSynthModularInfo;
 	

SpiralSynthPluginLocation.h.in

@@ -17,4 +17,4 @@
  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */ 
 
-#define	PLUGIN_PATH_LOCATION	"@PLUGINDIR@/"
+#define	PLUGIN_PATH_LOCATION	"@prefix@/lib/SpiralPlugins/"

configure.in

@@ -41,18 +41,18 @@ if test $ac_arg_jack = "Y" ; then
 	PLUGINLIST="AmpPlugin ControllerPlugin DelayPlugin EchoPlugin EnvFollowerPlugin \
 	EnvelopePlugin FilterPlugin MatrixPlugin MidiPlugin MixerPlugin MoogFilterPlugin \
 	NoteSnapPlugin OscillatorPlugin OutputPlugin RingModPlugin SVFilterPlugin \
-	SampleHoldPlugin SamplerPlugin ScopePlugin SeqPlugin SmoothPlugin SplitterPlugin \
-	StereoMixerPlugin WaveTablePlugin SeqSelectorPlugin LADSPAPlugin WaveShaperPlugin \
-	StreamPlugin XFadePlugin SpiralLoopPlugin JackPlugin PoshSamplerPlugin \
-	ComplexEnvelopePlugin DistributorPlugin JoystickPlugin LFOPlugin MeterPlugin"
+	SampleHoldPlugin ScopePlugin SmoothPlugin SplitterPlugin \
+	StereoMixerPlugin WaveTablePlugin LADSPAPlugin \
+    XFadePlugin JackPlugin \
+	DistributorPlugin LFOPlugin"
 else
 	PLUGINLIST="AmpPlugin ControllerPlugin DelayPlugin EchoPlugin EnvFollowerPlugin \
 	EnvelopePlugin FilterPlugin MatrixPlugin MidiPlugin MixerPlugin MoogFilterPlugin \
 	NoteSnapPlugin OscillatorPlugin OutputPlugin RingModPlugin SVFilterPlugin \
-	SampleHoldPlugin SamplerPlugin ScopePlugin SeqPlugin SmoothPlugin SplitterPlugin \
-	StereoMixerPlugin WaveTablePlugin SeqSelectorPlugin LADSPAPlugin WaveShaperPlugin \
-	StreamPlugin XFadePlugin SpiralLoopPlugin PoshSamplerPlugin ComplexEnvelopePlugin \
-	DistributorPlugin JoystickPlugin LFOPlugin MeterPlugin"	
+	SampleHoldPlugin ScopePlugin SmoothPlugin SplitterPlugin \
+	StereoMixerPlugin WaveTablePlugin LADSPAPlugin \
+    XFadePlugin PoshSamplerPlugin\
+	DistributorPlugin LFOPlugin"
 	fi
 echo "$PLUGINLIST" > SpiralSound/PluginList.txt
 
@@ -93,9 +93,10 @@ AC_SUBST(FLTK_CXXFLAGS)
 AC_SUBST(FLTK_CFLAGS)
 AC_SUBST(FLTK_LIBS)
 
-if test $ac_arg_jack = "Y" ; then
-  AM_PATH_GLIB(1.2.0,,AC_MSG_ERROR([*** GLIB >= 1.2.0 not installed]))
-fi
+dnl I can't get this to work ?
+dnl if test $ac_arg_jack = "Y" ; then
+dnl   AM_PATH_GLIB(1.2.0,,AC_MSG_ERROR([*** GLIB >= 1.2.0 not installed]))
+dnl fi
 
 AC_CHECK_HEADERS(dlfcn.h)
 AC_CHECK_LIB(dl, dlopen)

main.cpp

@@ -0,0 +1,169 @@
+/*  SpiralSynthModular
+ *  Copyleft (C) 2002 David Griffiths <dave@pawfal.org>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+*/ 
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <iostream.h>
+#include <stdlib.h>
+#include <FL/Fl.H>
+#include <FL/Fl_Tooltip.h>
+#include <unistd.h>
+
+#include "SpiralSynthModular.h"
+
+pthread_t loopthread;
+SynthModular *synth;
+
+int pthread_create_realtime (pthread_t *new_thread,
+			 void *(*start)(void *), void *arg,
+			 int priority);
+
+char flashy[] = {'|','/','-','\\'};
+
+void audioloop(void* o)
+{
+	int counter=0,flashy_counter=0;
+	while(1)
+	{
+		synth->Update();
+		
+		if (counter==10000)
+		{
+			cerr<<"\b"<<flashy[flashy_counter%4];
+			counter=0;
+			flashy_counter++;
+		}
+		counter++;
+	}
+}
+
+int main(int argc, char **argv)
+{	
+	srand(time(NULL));
+	SpiralSynthModularInfo::Get()->LoadPrefs();
+	
+	bool GUI = true;
+	bool FIFO = false;
+	
+	// get args
+    string cmd_filename="";
+    bool cmd_specd = false;
+	
+	// parse the args
+    if (argc>1) 
+	{
+        cmd_filename = argv[1];
+        cmd_specd = true;
+		
+		for (int a=2; a<argc; a++)
+		{
+			if (!strcmp(argv[a],"--NoGUI")) GUI = false;
+			if (!strcmp(argv[a],"--SHED_FIFO")) FIFO = true;
+		}
+    }	
+	
+	Fl::visual(FL_DOUBLE|FL_RGB);
+	
+	synth=new SynthModular;
+	
+	// setup the synth
+	Fl_Window* win = synth->CreateWindow();
+	synth->LoadPlugins();
+	win->xclass("");
+	if (GUI) win->show(argc, argv); // prevents stuff happening before the plugins have loaded
+	
+	// set some fltk defaults
+	Fl_Tooltip::size(10);	
+	Fl::visible_focus(false);
+			
+	// spawn the audio thread
+	int ret;
+	if (FIFO) ret=pthread_create_realtime(&loopthread,(void*(*)(void*))audioloop,NULL,50);
+	else ret=pthread_create(&loopthread,NULL,(void*(*)(void*))audioloop,NULL);
+
+	// do we need to load a patch on startup? 
+    if (cmd_specd) synth->LoadPatch(cmd_filename.c_str());        
+	
+	if (!GUI)
+	{	
+		// if there is no gui needed, there is nothing more to do here
+		Fl::check();
+		for (;;) sleep(1);
+	}
+	
+    for (;;)
+	{
+    	if (!Fl::check()) break;
+    	
+		//if (!synth->CallbackMode()) synth->Update();
+		synth->UpdatePluginGUIs(); // deletes any if necc
+		//else Fl::wait();
+		usleep(10000);
+  	}
+	
+	//pthread_cancel(loopthread);
+	delete synth;	
+	return 1;
+}
+
+// nicked from Paul Barton-Davis' Ardour code :)
+int pthread_create_realtime (pthread_t *new_thread,
+			 void *(*start)(void *), void *arg,
+			 int priority)
+
+{	
+	pthread_attr_t *rt_attributes;
+	struct sched_param *rt_param;
+	int retval;
+
+	rt_attributes = (pthread_attr_t *) malloc (sizeof (pthread_attr_t));
+	rt_param = (struct sched_param *) malloc (sizeof (struct sched_param));
+
+	pthread_attr_init (rt_attributes);
+
+	if (seteuid (0)) {
+		cerr << "Cannot obtain root UID for RT scheduling operations"
+		      << endl;
+		return -1;
+
+	} else {
+
+	    if (pthread_attr_setschedpolicy (rt_attributes, SCHED_FIFO)) {
+		cerr << "Cannot set FIFO scheduling attributes for RT thread" << endl;
+
+	    }
+	    
+	    if (pthread_attr_setscope (rt_attributes, PTHREAD_SCOPE_SYSTEM)) {
+		cerr << "Cannot set scheduling scope for RT thread" << endl;
+
+	    }
+	    
+	    rt_param->sched_priority = priority;
+	    if (pthread_attr_setschedparam (rt_attributes, rt_param)) {
+		cerr << "Cannot set scheduling priority for RT thread" << endl;
+
+	    }
+	}
+
+	retval = pthread_create (new_thread, rt_attributes, start, arg);
+	seteuid (getuid());
+
+	return retval;
+}