Module to test threads

1 files changed, 41 insertions, 0 deletions

diff --git a/Lib/test/test_thread.py b/Lib/test/test_thread.py
new file mode 100644
index 0000000000..5bc30766c3
--- /dev/null
+++ b/Lib/test/test_thread.py
@@ -0,0 +1,41 @@
+# Very rudimentary test of thread module
+
+# Create a bunch of threads, let each do some work, wait until all are done
+
+import whrandom
+import thread
+import time
+
+mutex = thread.allocate_lock()
+running = 0
+done = thread.allocate_lock()
+done.acquire()
+
+def task(ident):
+	global running
+	delay = whrandom.random() * 10
+	print 'task', ident, 'will run for', delay, 'sec'
+	time.sleep(delay)
+	print 'task', ident, 'done'
+	mutex.acquire()
+	running = running - 1
+	if running == 0:
+		done.release()
+	mutex.release()
+
+next_ident = 0
+def newtask():
+	global next_ident, running
+	mutex.acquire()
+	next_ident = next_ident + 1
+	print 'creating task', next_ident
+	thread.start_new_thread(task, (next_ident,))
+	running = running + 1
+	mutex.release()
+
+for i in range(10):
+	newtask()
+
+print 'waiting for all tasks to complete'
+done.acquire()
+print 'all tasks done'