py: Add CameraManager.read_event()

Add CameraManager.read_event() so that the user does not need to call
os.read().

We use eventfd, and we must always read 8 bytes. Hiding that inside
read_event() makes sense.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

1 files changed, 1 insertions, 2 deletions

diff --git a/test/py/unittests.py b/test/py/unittests.py
index 7dede33b..8c445bc9 100755
--- a/test/py/unittests.py
+++ b/test/py/unittests.py
@@ -7,7 +7,6 @@ from collections import defaultdict
 import errno
 import gc
 import libcamera as libcam
-import os
 import selectors
 import time
 import typing
@@ -278,7 +277,7 @@ class SimpleCaptureMethods(CameraTesterBase):
         while running:
             events = sel.select()
             for key, _ in events:
-                os.read(key.fd, 8)
+                cm.read_event()
 
                 ready_reqs = cm.get_ready_requests()