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{ "id": 15018, "url": "https://patchwork.libcamera.org/api/1.1/patches/15018/?format=api", "web_url": "https://patchwork.libcamera.org/patch/15018/", "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": "<20211203164619.1541033-6-hiroh@chromium.org>", "date": "2021-12-03T16:46:17", "name": "[libcamera-devel,5/7] libcamera: camera_manager: Apply clang thread safety annotation", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": false, "hash": "6cbf1407eafba2e686fcaae26fe54e1febdf18d4", "submitter": { "id": 63, "url": "https://patchwork.libcamera.org/api/1.1/people/63/?format=api", "name": "Hirokazu Honda", "email": "hiroh@chromium.org" }, "delegate": null, "mbox": "https://patchwork.libcamera.org/patch/15018/mbox/", "series": [ { "id": 2812, "url": "https://patchwork.libcamera.org/api/1.1/series/2812/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=2812", "date": "2021-12-03T16:46:12", "name": "Apply clang thread safety annotation libcamera-core and v4l2", "version": 1, "mbox": "https://patchwork.libcamera.org/series/2812/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/patches/15018/comments/", "check": "pending", "checks": "https://patchwork.libcamera.org/api/patches/15018/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 685A7BF415\n\tfor <parsemail@patchwork.libcamera.org>;\n\tFri, 3 Dec 2021 16:46:38 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 15B7760832;\n\tFri, 3 Dec 2021 17:46:38 +0100 (CET)", "from mail-pj1-x1034.google.com (mail-pj1-x1034.google.com\n\t[IPv6:2607:f8b0:4864:20::1034])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 2B30060832\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tFri, 3 Dec 2021 17:46:35 +0100 (CET)", "by mail-pj1-x1034.google.com with SMTP id\n\tk6-20020a17090a7f0600b001ad9d73b20bso654396pjl.3\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tFri, 03 Dec 2021 08:46:35 -0800 (PST)", "from hiroh2.tok.corp.google.com\n\t([2401:fa00:8f:203:cd78:3a5f:d792:6177])\n\tby smtp.gmail.com with ESMTPSA id\n\th18sm4123149pfh.172.2021.12.03.08.46.32\n\t(version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n\tFri, 03 Dec 2021 08:46:33 -0800 (PST)" ], "Authentication-Results": "lancelot.ideasonboard.com;\n\tdkim=fail reason=\"signature verification failed\" (1024-bit key;\n\tunprotected) header.d=chromium.org header.i=@chromium.org\n\theader.b=\"JwDVWpJj\"; 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\n\tFri, 03 Dec 2021 08:46:33 -0800 (PST)", "From": "Hirokazu Honda <hiroh@chromium.org>", "To": "libcamera-devel@lists.libcamera.org", "Date": "Sat, 4 Dec 2021 01:46:17 +0900", "Message-Id": "<20211203164619.1541033-6-hiroh@chromium.org>", "X-Mailer": "git-send-email 2.34.0.384.gca35af8252-goog", "In-Reply-To": "<20211203164619.1541033-1-hiroh@chromium.org>", "References": "<20211203164619.1541033-1-hiroh@chromium.org>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Subject": "[libcamera-devel] [PATCH 5/7] libcamera: camera_manager: Apply\n\tclang thread safety annotation", "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>", "Errors-To": "libcamera-devel-bounces@lists.libcamera.org", "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>" }, "content": "This annotates member functions and variables of\nCameraManager::Private by clang thread safety annotations.\n\nSigned-off-by: Hirokazu Honda <hiroh@chromium.org>\n---\n src/libcamera/camera_manager.cpp | 17 +++++++++--------\n 1 file changed, 9 insertions(+), 8 deletions(-)", "diff": "diff --git a/src/libcamera/camera_manager.cpp b/src/libcamera/camera_manager.cpp\nindex 4492edc3..507f68f5 100644\n--- a/src/libcamera/camera_manager.cpp\n+++ b/src/libcamera/camera_manager.cpp\n@@ -42,8 +42,8 @@ public:\n \n \tint start();\n \tvoid addCamera(std::shared_ptr<Camera> camera,\n-\t\t const std::vector<dev_t> &devnums);\n-\tvoid removeCamera(Camera *camera);\n+\t\t const std::vector<dev_t> &devnums) LIBCAMERA_TSA_EXCLUDES(mutex_);\n+\tvoid removeCamera(Camera *camera) LIBCAMERA_TSA_EXCLUDES(mutex_);\n \n \t/*\n \t * This mutex protects\n@@ -52,8 +52,8 @@ public:\n \t * - cameras_ and camerasByDevnum_ after initialization\n \t */\n \tmutable Mutex mutex_;\n-\tstd::vector<std::shared_ptr<Camera>> cameras_;\n-\tstd::map<dev_t, std::weak_ptr<Camera>> camerasByDevnum_;\n+\tstd::vector<std::shared_ptr<Camera>> cameras_ LIBCAMERA_TSA_GUARDED_BY(mutex_);\n+\tstd::map<dev_t, std::weak_ptr<Camera>> camerasByDevnum_ LIBCAMERA_TSA_GUARDED_BY(mutex_);\n \n protected:\n \tvoid run() override;\n@@ -61,11 +61,11 @@ protected:\n private:\n \tint init();\n \tvoid createPipelineHandlers();\n-\tvoid cleanup();\n+\tvoid cleanup() LIBCAMERA_TSA_EXCLUDES(mutex_);\n \n \tConditionVariable cv_;\n-\tbool initialized_;\n-\tint status_;\n+\tbool initialized_ LIBCAMERA_TSA_GUARDED_BY(mutex_);\n+\tint status_ LIBCAMERA_TSA_GUARDED_BY(mutex_);\n \n \tstd::unique_ptr<DeviceEnumerator> enumerator_;\n \n@@ -87,7 +87,8 @@ int CameraManager::Private::start()\n \n \t{\n \t\tMutexLocker locker(mutex_);\n-\t\tcv_.wait(locker, [&] { return initialized_; });\n+\t\tcv_.wait(locker,\n+\t\t\t [&]() LIBCAMERA_TSA_REQUIRES(mutex_) { return initialized_; });\n \t\tstatus = status_;\n \t}\n \n", "prefixes": [ "libcamera-devel", "5/7" ] }