micropython: add micropython component

components/language/micropython/tests/thread/thread_stacksize1.py

@@ -0,0 +1,57 @@
+# test setting the thread stack size
+#
+# MIT license; Copyright (c) 2016 Damien P. George on behalf of Pycom Ltd
+try:
+    import usys as sys
+except ImportError:
+    import sys
+import _thread
+
+# different implementations have different minimum sizes
+if sys.implementation.name == "micropython":
+    sz = 2 * 1024
+else:
+    sz = 512 * 1024
+
+
+def foo():
+    pass
+
+
+def thread_entry():
+    foo()
+    with lock:
+        global n_finished
+        n_finished += 1
+
+
+# reset stack size to default
+_thread.stack_size()
+
+# test set/get of stack size
+print(_thread.stack_size())
+print(_thread.stack_size(sz))
+print(_thread.stack_size() == sz)
+print(_thread.stack_size())
+
+lock = _thread.allocate_lock()
+n_thread = 2
+n_finished = 0
+
+# set stack size and spawn a few threads
+_thread.stack_size(sz)
+for i in range(n_thread):
+    while True:
+        try:
+            _thread.start_new_thread(thread_entry, ())
+            break
+        except OSError:
+            pass
+
+# reset stack size to default (for subsequent scripts on baremetal)
+_thread.stack_size()
+
+# busy wait for threads to finish
+while n_finished < n_thread:
+    pass
+print("done")