--- a/Makefile	Sat Nov 17 17:47:06 2007 +0100
+++ b/Makefile	Sun Nov 18 11:20:56 2007 +0100
@@ -1,12 +1,12 @@
-CCFLAGS=-Wall -Wno-write-strings -O3 -I./src -DPTHREADS -pthread -fno-strict-aliasing
+CCFLAGS=-I./src -Wall -Wno-write-strings -O3 -fno-strict-aliasing -DPTHREADS
 LDFLAGS=
 
 ifeq ($(OS), Windows_NT)
   CCFLAGS+=-I"C:/Program Files/Python25/include"
-  LDFLAGS+=-L"C:\Program Files\Python25\libs" -lpython25
+  LDFLAGS+=-L"C:\Program Files\Python25\libs" -lpython25 -lpthreadGC2
   MODULENAME=raytracer.pyd
 else
-  CCFLAGS+=-fPIC `python-config --includes`
+  CCFLAGS+=-pthread -fPIC `python-config --includes`
   MODULENAME=raytracermodule.so
 endif
 

--- a/README	Sat Nov 17 17:47:06 2007 +0100
+++ b/README	Sun Nov 18 11:20:56 2007 +0100
@@ -9,3 +9,6 @@
 
 To completely disable this feature just remove "-DPTHREADS -pthreads"
 from flags in makefile.
+
+For Windows + Mingw32, get pthreads library here:
+http://sources.redhat.com/pthreads-win32/

--- a/TODO	Sat Nov 17 17:47:06 2007 +0100
+++ b/TODO	Sun Nov 18 11:20:56 2007 +0100
@@ -1,4 +1,3 @@
- * pthreads for Windows: http://sources.redhat.com/pthreads-win32/
  * kd-tree
 
 

--- a/demos/demo.py	Sat Nov 17 17:47:06 2007 +0100
+++ b/demos/demo.py	Sun Nov 18 11:20:56 2007 +0100
@@ -1,7 +1,7 @@
 #!/usr/bin/python
 
 import sys
-sys.path.append("../")
+sys.path.append("..")
 
 from raytracer import Raytracer, Material, Plane, Sphere, Light
 #, SphericalLight

--- a/demos/spheres_ao.py	Sat Nov 17 17:47:06 2007 +0100
+++ b/demos/spheres_ao.py	Sun Nov 18 11:20:56 2007 +0100
@@ -1,7 +1,7 @@
 #!/usr/bin/python
 
 import sys
-sys.path.append("../")
+sys.path.append("..")
 
 from raytracer import Raytracer, Material, Plane, Sphere, Light
 import Image

--- a/demos/spheres_shadow.py	Sat Nov 17 17:47:06 2007 +0100
+++ b/demos/spheres_shadow.py	Sun Nov 18 11:20:56 2007 +0100
@@ -1,7 +1,7 @@
 #!/usr/bin/python
 
 import sys
-sys.path.append("../")
+sys.path.append("..")
 
 from raytracer import Raytracer, Material, Plane, Sphere, Light
 import Image

--- a/demos/triangles_monkey.py	Sat Nov 17 17:47:06 2007 +0100
+++ b/demos/triangles_monkey.py	Sun Nov 18 11:20:56 2007 +0100
@@ -1,7 +1,7 @@
 #!/usr/bin/python
 
 import sys
-sys.path.append("../")
+sys.path.append("..")
 
 from raytracer import Raytracer, Light, Sphere, Triangle, Material
 import Image

--- a/demos/triangles_sphere.py	Sat Nov 17 17:47:06 2007 +0100
+++ b/demos/triangles_sphere.py	Sun Nov 18 11:20:56 2007 +0100
@@ -1,7 +1,7 @@
 #!/usr/bin/python
 
 import sys
-sys.path.append("../")
+sys.path.append("..")
 
 from raytracer import Raytracer, Light, Sphere, Triangle, Material
 import Image

--- a/src/raytracer.cc	Sat Nov 17 17:47:06 2007 +0100
+++ b/src/raytracer.cc	Sun Nov 18 11:20:56 2007 +0100
@@ -205,6 +205,7 @@
 #ifdef PTHREADS
 	pthread_exit((void *)d);
 #endif
+	return (void *)d;
 }
 
 float *Raytracer::render(int w, int h)
@@ -229,11 +230,11 @@
 	vy = starty;
 
 #ifdef PTHREADS
-	int num_threads = 20;
+	int num_threads = 2;
 	printf("* pthreads enabled, using %d threads\n", num_threads);
 	pthread_t threads[num_threads];
 	for (int t = 0; t < num_threads; t++)
-		threads[t] = 0;
+		threads[t] = pthread_self();
 	int t = 0;
 #endif
 
@@ -260,7 +261,7 @@
 			t = 0;
 		/* wait for next thread in fifo queue, so the descriptor can be reused;
 		   this also limits number of running threads */
-		if (threads[t] != 0)
+		if (!pthread_equal(threads[t], pthread_self()))
 			if (pthread_join(threads[t], (void**)&d) == 0)
 				free(d);
 #else