bugfix: exception handling (still not correct)

lib/system/systhread.nim

@@ -0,0 +1,27 @@
+#
+#
+#            Nimrod's Runtime Library
+#        (c) Copyright 2010 Andreas Rumpf
+#
+#    See the file "copying.txt", included in this
+#    distribution, for details about the copyright.
+#
+
+const
+  isMultiThreaded* = true
+  maxThreads = 256
+  
+type
+  TThread* {.final, pure.} = object
+    next: ptr TThread
+  TThreadFunc* = proc (closure: pointer) {.cdecl.}
+  
+proc createThread*(t: var TThread, fn: TThreadFunc) = 
+  nil
+  
+proc destroyThread*(t: var TThread) =
+  nil
+
+
+
+