summaryrefslogtreecommitdiffstats
path: root/testing/mozbase/mozprocess/tests/scripts/infinite_loop.py
diff options
context:
space:
mode:
Diffstat (limited to 'testing/mozbase/mozprocess/tests/scripts/infinite_loop.py')
-rw-r--r--testing/mozbase/mozprocess/tests/scripts/infinite_loop.py18
1 files changed, 18 insertions, 0 deletions
diff --git a/testing/mozbase/mozprocess/tests/scripts/infinite_loop.py b/testing/mozbase/mozprocess/tests/scripts/infinite_loop.py
new file mode 100644
index 0000000000..9af60b3811
--- /dev/null
+++ b/testing/mozbase/mozprocess/tests/scripts/infinite_loop.py
@@ -0,0 +1,18 @@
+import signal
+import sys
+import threading
+import time
+
+if "deadlock" in sys.argv:
+ lock = threading.Lock()
+
+ def trap(sig, frame):
+ lock.acquire()
+
+ # get the lock once
+ lock.acquire()
+ # and take it again on SIGTERM signal: deadlock.
+ signal.signal(signal.SIGTERM, trap)
+
+while 1:
+ time.sleep(1)