From 210ce547a42ca559592efaef069648ddfe0d2945 Mon Sep 17 00:00:00 2001 From: Tomi Valkeinen Date: Fri, 27 May 2022 17:44:23 +0300 Subject: 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 Reviewed-by: Laurent Pinchart Signed-off-by: Laurent Pinchart --- src/py/cam/cam.py | 3 +-- src/py/libcamera/py_main.cpp | 8 ++++++++ test/py/unittests.py | 3 +-- 3 files changed, 10 insertions(+), 4 deletions(-) diff --git a/src/py/cam/cam.py b/src/py/cam/cam.py index e2bc78da..66df18bf 100755 --- a/src/py/cam/cam.py +++ b/src/py/cam/cam.py @@ -9,7 +9,6 @@ import argparse import binascii import libcamera as libcam -import os import sys import traceback @@ -294,7 +293,7 @@ def event_handler(state): cm = state['cm'] contexts = state['contexts'] - os.read(cm.efd, 8) + cm.read_event() reqs = cm.get_ready_requests() diff --git a/src/py/libcamera/py_main.cpp b/src/py/libcamera/py_main.cpp index e7066841..5d389942 100644 --- a/src/py/libcamera/py_main.cpp +++ b/src/py/libcamera/py_main.cpp @@ -212,6 +212,14 @@ PYBIND11_MODULE(_libcamera, m) return gEventfd; }) + .def("read_event", [](CameraManager &) { + uint8_t buf[8]; + + int ret = read(gEventfd, buf, 8); + if (ret != 8) + throw std::system_error(errno, std::generic_category()); + }) + .def("get_ready_requests", [](CameraManager &) { std::vector v; 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() -- cgit v1.2.1