From ed36632c6cc227206994cf68b4a4afec2b694e49 Mon Sep 17 00:00:00 2001 From: Damien George Date: Tue, 19 Apr 2016 17:03:26 +0000 Subject: tests: Add tests for _thread module. Includes functionality and stress tests. --- tests/thread/thread_lock3.py | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 tests/thread/thread_lock3.py (limited to 'tests/thread/thread_lock3.py') diff --git a/tests/thread/thread_lock3.py b/tests/thread/thread_lock3.py new file mode 100644 index 0000000000..607898dad8 --- /dev/null +++ b/tests/thread/thread_lock3.py @@ -0,0 +1,27 @@ +# test thread coordination using a lock object +# +# MIT license; Copyright (c) 2016 Damien P. George on behalf of Pycom Ltd + +import _thread + +lock = _thread.allocate_lock() +n_thread = 10 +n_finished = 0 + +def thread_entry(idx): + global n_finished + while True: + with lock: + if n_finished == idx: + break + print('my turn:', idx) + with lock: + n_finished += 1 + +# spawn threads +for i in range(n_thread): + _thread.start_new_thread(thread_entry, (i,)) + +# busy wait for threads to finish +while n_finished < n_thread: + pass -- cgit v1.2.3