- Add SJF

- Re-enable FCFS sorting function
- Correct bug in PythonPolicy that wronged return value
of is_pre_emptible()


git-svn-id: svn://svn.gna.org/svn/sgpemv2/trunk@435 3ecf2c5c-341e-0410-92b4-d18e462d057c

src/builtin-policies/sjf.py

@@ -0,0 +1,21 @@
+from Policy import Policy
+import sys
+
+class sjf(Policy) :
+    def __init__(self):
+        pass;
+
+    def configure(self):
+        print 'No options to configure for fcfs'
+
+    def is_preemptive(self):
+        return False
+
+    def get_time_slice(self):
+        return -1
+
+    def sort_queue(self, event, queue):
+        cmpf = lambda a, b: \
+            a.get_cpu_time_left() < \
+            b.get_cpu_time_left()
+        self.sort(queue,cmpf)