--- a/AbstractOperatingSystem.st	Fri Jan 15 11:06:08 2010 +0100
+++ b/AbstractOperatingSystem.st	Fri Jan 15 11:06:21 2010 +0100
@@ -3754,6 +3754,13 @@
     ^ false
 !
 
+isProcessIdPresent:pid
+    "answer true, if a process with process id pid is present, false if not.
+     Raise an error, if an exception occures"
+
+    ^ self subclassResponsibility
+!
+
 isUNIXlike
     "return true, if the OS we're running on is a unix like."
 
@@ -6911,11 +6918,11 @@
 !AbstractOperatingSystem class methodsFor:'documentation'!
 
 version
-    ^ '$Header: /cvs/stx/stx/libbasic/AbstractOperatingSystem.st,v 1.191 2009-12-11 10:45:46 cg Exp $'
+    ^ '$Header: /cvs/stx/stx/libbasic/AbstractOperatingSystem.st,v 1.192 2010-01-15 10:06:21 stefan Exp $'
 !
 
 version_CVS
-    ^ '$Header: /cvs/stx/stx/libbasic/AbstractOperatingSystem.st,v 1.191 2009-12-11 10:45:46 cg Exp $'
+    ^ '$Header: /cvs/stx/stx/libbasic/AbstractOperatingSystem.st,v 1.192 2010-01-15 10:06:21 stefan Exp $'
 ! !
 
 AbstractOperatingSystem initialize!