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-rw-r--r--tests/thread/stress_schedule.py4
1 files changed, 3 insertions, 1 deletions
diff --git a/tests/thread/stress_schedule.py b/tests/thread/stress_schedule.py
index 97876f0f7..362d71aa1 100644
--- a/tests/thread/stress_schedule.py
+++ b/tests/thread/stress_schedule.py
@@ -27,6 +27,8 @@ def task(x):
n += 1
+# This function must always use the bytecode emitter so it bounces the GIL when running.
+@micropython.bytecode
def thread():
while thread_run:
try:
@@ -46,7 +48,7 @@ for i in range(8):
# Wait up to 10 seconds for 10000 tasks to be scheduled.
t = time.ticks_ms()
while n < _NUM_TASKS and time.ticks_diff(time.ticks_ms(), t) < _TIMEOUT_MS:
- pass
+ time.sleep(0)
# Stop all threads.
thread_run = False