bindings: python: tests: don't use the same chip from different threads

There are no thread-safety guarantees in libgpiod. Let's not reuse the
chip object created in one thread to generate info events in another but
use a global request function instead.

Reported-by: Erik Schilling <erik.schilling@linaro.org>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Reviewed-by: Erik Schilling <erik.schilling@linaro.org>

diff --git a/bindings/python/tests/tests_info_event.py b/bindings/python/tests/tests_info_event.py
index f3926d990f5b44e740d602a67e41bc27758537dd..6bb09d51dd21b7564bc0d65e780b2298fc6b1edf 100644 (file)
--- a/bindings/python/tests/tests_info_event.py
+++ b/bindings/python/tests/tests_info_event.py
@@ -37,9 +37,9 @@ class InfoEventDataclassBehavior(TestCase):
                     event.line_info = 4
 
 
-def request_reconfigure_release_line(chip, offset):
+def request_reconfigure_release_line(chip_path, offset):
     time.sleep(0.1)
-    with chip.request_lines(config={offset: None}) as request:
+    with gpiod.request_lines(chip_path, config={offset: None}) as request:
         time.sleep(0.1)
         request.reconfigure_lines(
             config={offset: gpiod.LineSettings(direction=Direction.OUTPUT)}
@@ -95,7 +95,7 @@ class WatchingInfoEventWorks(TestCase):
         self.assertEqual(info.direction, Direction.INPUT)
 
         self.thread = threading.Thread(
-            target=partial(request_reconfigure_release_line, self.chip, 7)
+            target=partial(request_reconfigure_release_line, self.sim.dev_path, 7)
         )
         self.thread.start()