DO NOT UPDATE!  COMPILES BUT DOESN'T WORK.

Major overhaul to the way thread startup and exit is done.  Removes some
ugly gunk in the scheduler, and adds support for thread detaching and
cancellation.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@326 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/vg_constants.h b/vg_constants.h
index 252353c..d3da14b 100644
--- a/vg_constants.h
+++ b/vg_constants.h
@@ -90,9 +90,8 @@
 /* Constants for the fast original-code-write check cache. */
 
 
-/* Assembly code stubs make these requests ... */
+/* Assembly code stubs make this request */
 #define VG_USERREQ__SIGNAL_RETURNS          0x4001
-#define VG_USERREQ__PTHREAD_RETURNS         0x4002
 
 #endif /* ndef __VG_INCLUDE_H */