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GET /api/1.1/patches/19428/?format=api
{ "id": 19428, "url": "https://patchwork.libcamera.org/api/1.1/patches/19428/?format=api", "web_url": "https://patchwork.libcamera.org/patch/19428/", "project": { "id": 1, "url": "https://patchwork.libcamera.org/api/1.1/projects/1/?format=api", "name": "libcamera", "link_name": "libcamera", "list_id": "libcamera_core", "list_email": "libcamera-devel@lists.libcamera.org", "web_url": "", "scm_url": "", "webscm_url": "" }, "msgid": "<20240121035948.4226-8-laurent.pinchart@ideasonboard.com>", "date": "2024-01-21T03:59:43", "name": "[libcamera-devel,07/12] test: message: Destroy Object from correct thread context", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": false, "hash": "601fb7aa285a59c28712b3cc91aa9c5a09e62a95", "submitter": { "id": 2, "url": "https://patchwork.libcamera.org/api/1.1/people/2/?format=api", "name": "Laurent Pinchart", "email": "laurent.pinchart@ideasonboard.com" }, "delegate": null, "mbox": "https://patchwork.libcamera.org/patch/19428/mbox/", "series": [ { "id": 4149, "url": "https://patchwork.libcamera.org/api/1.1/series/4149/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=4149", "date": "2024-01-21T03:59:36", "name": "libcamera: Hardening against thread race conditions", "version": 1, "mbox": "https://patchwork.libcamera.org/series/4149/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/patches/19428/comments/", "check": "pending", "checks": "https://patchwork.libcamera.org/api/patches/19428/checks/", "tags": {}, "headers": { "Return-Path": "<libcamera-devel-bounces@lists.libcamera.org>", "X-Original-To": "parsemail@patchwork.libcamera.org", "Delivered-To": "parsemail@patchwork.libcamera.org", "Received": [ "from lancelot.ideasonboard.com (lancelot.ideasonboard.com\n\t[92.243.16.209])\n\tby patchwork.libcamera.org (Postfix) with ESMTPS id E24C3C323E\n\tfor <parsemail@patchwork.libcamera.org>;\n\tSun, 21 Jan 2024 03:59:58 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 8486C6294F;\n\tSun, 21 Jan 2024 04:59:58 +0100 (CET)", "from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[213.167.242.64])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 3FE0962931\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tSun, 21 Jan 2024 04:59:55 +0100 (CET)", "from pendragon.ideasonboard.com (89-27-53-110.bb.dnainternet.fi\n\t[89.27.53.110])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id 3F4521574;\n\tSun, 21 Jan 2024 04:58:43 +0100 (CET)" ], "DKIM-Signature": [ "v=1; 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dkim=pass (1024-bit key; \n\tunprotected) header.d=ideasonboard.com\n\theader.i=@ideasonboard.com\n\theader.b=\"SKgxIdYP\"; dkim-atps=neutral", "To": "libcamera-devel@lists.libcamera.org", "Date": "Sun, 21 Jan 2024 05:59:43 +0200", "Message-ID": "<20240121035948.4226-8-laurent.pinchart@ideasonboard.com>", "X-Mailer": "git-send-email 2.43.0", "In-Reply-To": "<20240121035948.4226-1-laurent.pinchart@ideasonboard.com>", "References": "<20240121035948.4226-1-laurent.pinchart@ideasonboard.com>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Subject": "[libcamera-devel] [PATCH 07/12] test: message: Destroy Object from\n\tcorrect thread context", "X-BeenThere": "libcamera-devel@lists.libcamera.org", "X-Mailman-Version": "2.1.29", "Precedence": "list", "List-Id": "<libcamera-devel.lists.libcamera.org>", "List-Unsubscribe": "<https://lists.libcamera.org/options/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=unsubscribe>", "List-Archive": "<https://lists.libcamera.org/pipermail/libcamera-devel/>", "List-Post": "<mailto:libcamera-devel@lists.libcamera.org>", "List-Help": "<mailto:libcamera-devel-request@lists.libcamera.org?subject=help>", "List-Subscribe": "<https://lists.libcamera.org/listinfo/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=subscribe>", "From": "Laurent Pinchart via libcamera-devel\n\t<libcamera-devel@lists.libcamera.org>", "Reply-To": "Laurent Pinchart <laurent.pinchart@ideasonboard.com>", "Errors-To": "libcamera-devel-bounces@lists.libcamera.org", "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>" }, "content": "The MessageReceiver and RecursiveMessageReceiver used in the test are\ndestroyed from the main thread, which is invalid for a thread-bound\nobject bound to a different thread. Fix it by destroying them with\ndeleteLater().\n\nSigned-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>\n---\n test/message.cpp | 19 ++++++++++++-------\n 1 file changed, 12 insertions(+), 7 deletions(-)", "diff": "diff --git a/test/message.cpp b/test/message.cpp\nindex a34e0f0b5e10..2f9f281c5101 100644\n--- a/test/message.cpp\n+++ b/test/message.cpp\n@@ -109,16 +109,19 @@ protected:\n \t\t\treturn TestFail;\n \t\t}\n \n-\t\tMessageReceiver receiver;\n-\t\treceiver.moveToThread(&thread_);\n+\t\tMessageReceiver *receiver = new MessageReceiver();\n+\t\treceiver->moveToThread(&thread_);\n \n \t\tthread_.start();\n \n-\t\treceiver.postMessage(std::make_unique<Message>(Message::None));\n+\t\treceiver->postMessage(std::make_unique<Message>(Message::None));\n \n \t\tthis_thread::sleep_for(chrono::milliseconds(100));\n \n-\t\tswitch (receiver.status()) {\n+\t\tMessageReceiver::Status status = receiver->status();\n+\t\treceiver->deleteLater();\n+\n+\t\tswitch (status) {\n \t\tcase MessageReceiver::NoMessage:\n \t\t\tcout << \"No message received\" << endl;\n \t\t\treturn TestFail;\n@@ -135,8 +138,7 @@ protected:\n \t\t * leaks. Two messages need to be posted to ensure we don't only\n \t\t * test the simple case of a queue containing a single message.\n \t\t */\n-\t\tstd::unique_ptr<RecursiveMessageReceiver> recursiveReceiver =\n-\t\t\tstd::make_unique<RecursiveMessageReceiver>();\n+\t\tRecursiveMessageReceiver *recursiveReceiver = new RecursiveMessageReceiver();\n \t\trecursiveReceiver->moveToThread(&thread_);\n \n \t\trecursiveReceiver->postMessage(std::make_unique<Message>(Message::None));\n@@ -144,7 +146,10 @@ protected:\n \n \t\tthis_thread::sleep_for(chrono::milliseconds(10));\n \n-\t\tif (!recursiveReceiver->success()) {\n+\t\tbool success = recursiveReceiver->success();\n+\t\trecursiveReceiver->deleteLater();\n+\n+\t\tif (!success) {\n \t\t\tcout << \"Recursive message delivery failed\" << endl;\n \t\t\treturn TestFail;\n \t\t}\n", "prefixes": [ "libcamera-devel", "07/12" ] }