{"id":3010,"url":"https://patchwork.libcamera.org/api/1.1/patches/3010/?format=json","web_url":"https://patchwork.libcamera.org/patch/3010/","project":{"id":1,"url":"https://patchwork.libcamera.org/api/1.1/projects/1/?format=json","name":"libcamera","link_name":"libcamera","list_id":"libcamera_core","list_email":"libcamera-devel@lists.libcamera.org","web_url":"","scm_url":"","webscm_url":""},"msgid":"<20200306202637.525587-5-nicolas@ndufresne.ca>","date":"2020-03-06T20:26:14","name":"[libcamera-devel,v3,04/27] gst: utils: Add simple scoped lockers for GMutex and GRectMutex","commit_ref":null,"pull_url":null,"state":"accepted","archived":false,"hash":"943656c295c68347a61a7437e8ac06050f53e4e5","submitter":{"id":30,"url":"https://patchwork.libcamera.org/api/1.1/people/30/?format=json","name":"Nicolas Dufresne","email":"nicolas@ndufresne.ca"},"delegate":null,"mbox":"https://patchwork.libcamera.org/patch/3010/mbox/","series":[{"id":705,"url":"https://patchwork.libcamera.org/api/1.1/series/705/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=705","date":"2020-03-06T20:26:10","name":"GStreamer Element for libcamera","version":3,"mbox":"https://patchwork.libcamera.org/series/705/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/3010/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/3010/checks/","tags":{},"headers":{"Return-Path":"","Received":["from bhuna.collabora.co.uk (bhuna.collabora.co.uk [46.235.227.227])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id AE31C60424\n\tfor ;\n\tFri, 6 Mar 2020 21:27:01 +0100 (CET)","from nicolas-tpx395.localdomain (unknown [IPv6:2610:98:8005::527])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256\n\tbits))\n\t(No client certificate requested) (Authenticated sender: nicolas)\n\tby bhuna.collabora.co.uk (Postfix) with ESMTPSA id 26CF4297189;\n\tFri, 6 Mar 2020 20:27:01 +0000 (GMT)"],"From":"Nicolas Dufresne ","To":"libcamera-devel@lists.libcamera.org","Cc":"Nicolas Dufresne ,\n\tLaurent Pinchart ","Date":"Fri, 6 Mar 2020 15:26:14 -0500","Message-Id":"<20200306202637.525587-5-nicolas@ndufresne.ca>","X-Mailer":"git-send-email 2.24.1","In-Reply-To":"<20200306202637.525587-1-nicolas@ndufresne.ca>","References":"<20200306202637.525587-1-nicolas@ndufresne.ca>","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","Subject":"[libcamera-devel] [PATCH v3 04/27] gst: utils: Add simple scoped\n\tlockers for GMutex and GRectMutex","X-BeenThere":"libcamera-devel@lists.libcamera.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","X-List-Received-Date":"Fri, 06 Mar 2020 20:27:02 -0000"},"content":"From: Nicolas Dufresne \n\nWhile GLib has locker implementation already using g_autoptr(), recursive mutex\nlocker was only introduced in recent GLib. Implement a simple locker for GMutex\nand GRectMutex in order to allow making locking simpler and safer.\n\nSigned-off-by: Nicolas Dufresne \nReviewed-by: Laurent Pinchart \n---\n src/gstreamer/gstlibcamera-utils.h | 50 ++++++++++++++++++++++++++++++\n 1 file changed, 50 insertions(+)","diff":"diff --git a/src/gstreamer/gstlibcamera-utils.h b/src/gstreamer/gstlibcamera-utils.h\nindex 2e4e304..562ffe9 100644\n--- a/src/gstreamer/gstlibcamera-utils.h\n+++ b/src/gstreamer/gstlibcamera-utils.h\n@@ -16,4 +16,54 @@\n \n GstCaps *gst_libcamera_stream_formats_to_caps(const libcamera::StreamFormats &formats);\n \n+/**\n+ * \\class GLibLocker\n+ * \\brief A simple scoped mutex locker for GMutex\n+ */\n+class GLibLocker\n+{\n+public:\n+\tGLibLocker(GMutex *mutex)\n+\t\t: mutex_(mutex)\n+\t{\n+\t\tg_mutex_lock(mutex_);\n+\t}\n+\n+\tGLibLocker(GstObject *object)\n+\t\t: mutex_(GST_OBJECT_GET_LOCK(object))\n+\t{\n+\t\tg_mutex_lock(mutex_);\n+\t}\n+\n+\t~GLibLocker()\n+\t{\n+\t\tg_mutex_unlock(mutex_);\n+\t}\n+\n+private:\n+\tGMutex *mutex_;\n+};\n+\n+/**\n+ * \\class GLibRecLocker\n+ * \\brief A simple scoped mutex locker for GRecMutex\n+ */\n+class GLibRecLocker\n+{\n+public:\n+\tGLibRecLocker(GRecMutex *mutex)\n+\t\t: mutex_(mutex)\n+\t{\n+\t\tg_rec_mutex_lock(mutex_);\n+\t}\n+\n+\t~GLibRecLocker()\n+\t{\n+\t\tg_rec_mutex_unlock(mutex_);\n+\t}\n+\n+private:\n+\tGRecMutex *mutex_;\n+};\n+\n #endif /* __GST_LIBCAMERA_UTILS_H__ */\n","prefixes":["libcamera-devel","v3","04/27"]}