Threading\S04-Deadlock\S04-01-deadlock-threading

Author: M-Taghizadeh

Threading/S04-Deadlock/S04-01-deadlock-threading.py

@@ -0,0 +1,33 @@
+import threading
+import time
+
+l1 = threading.Lock()
+l2 = threading.Lock()
+
+def f1(name):
+    print('thread',name,'about to lock l1')
+    with l1:
+        print('thread',name,'has lock l1')
+        time.sleep(0.3)
+        print('thread',name,'about to lock l2')
+        with l2:
+            print('thread',name,'run into deadLock,\nthis line will never run')
+
+def f2(name):
+    print('thread',name,'about to lock l2')
+    with l2:
+        print('thread',name,'has lock l2')
+        time.sleep(0.3)
+        print('thread',name,'about to lock l1')
+        with l1:
+            print('thread',name,'run into deadLock,\nthis line will never run')
+
+if __name__ == '__main__':
+    t1=threading.Thread(target=f1, args=['t1',])
+    t2=threading.Thread(target=f2, args=['t2',])
+
+    t1.start()
+    t2.start()
+
+    t1.join()
+    t2.join()