[Assorted-commits] SF.net SVN: assorted:[1869] sandbox/trunk/src/py/threadlocalgc.py

[<yan...@us...>]

Revision: 1869
          http://sourceforge.net/p/assorted/svn/1869
Author:   yangzhang
Date:     2013-08-26 06:57:29 +0000 (Mon, 26 Aug 2013)
Log Message:
-----------
Add Python thread-local GC demo

Added Paths:
-----------
    sandbox/trunk/src/py/threadlocalgc.py

Added: sandbox/trunk/src/py/threadlocalgc.py
===================================================================
--- sandbox/trunk/src/py/threadlocalgc.py	                        (rev 0)
+++ sandbox/trunk/src/py/threadlocalgc.py	2013-08-26 06:57:29 UTC (rev 1869)
@@ -0,0 +1,26 @@
+# From <http://stackoverflow.com/questions/1478248/whats-the-life-time-of-a-thread-local-value-in-python>
+
+import time
+import threading
+import gc
+
+data = threading.local()
+
+class Resource(object):
+    def __init__(self):
+        self.name = threading.currentThread().name
+        print 'create: %s' % self.name
+
+    def __del__(self):
+        print 'delete: %s' % self.name
+
+def access_thlocal():
+    data.key = Resource()
+
+for i in range(0, 10):
+    threading.Thread(target=access_thlocal).start()
+time.sleep(1)
+print "Triggering GC"
+gc.collect()
+time.sleep(1)
+

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