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{ "id": 17703, "url": "https://patchwork.libcamera.org/api/1.1/patches/17703/?format=api", "web_url": "https://patchwork.libcamera.org/patch/17703/", "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": "<20221027224135.348115-3-nicholas@rothemail.net>", "date": "2022-10-27T22:41:27", "name": "[libcamera-devel,v4,02/10] ipa: add missing thread-safety annotations", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": false, "hash": "be333057b7218ae3f599e181a7a22692226e737e", "submitter": { "id": 97, "url": "https://patchwork.libcamera.org/api/1.1/people/97/?format=api", "name": "Nicolas Dufresne via libcamera-devel", "email": "libcamera-devel@lists.libcamera.org" }, "delegate": null, "mbox": "https://patchwork.libcamera.org/patch/17703/mbox/", "series": [ { "id": 3581, "url": "https://patchwork.libcamera.org/api/1.1/series/3581/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=3581", "date": "2022-10-27T22:41:26", "name": "[libcamera-devel,v4,01/10] ipa: workaround libcxx duration limitation", "version": 4, "mbox": "https://patchwork.libcamera.org/series/3581/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/patches/17703/comments/", "check": "pending", "checks": "https://patchwork.libcamera.org/api/patches/17703/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 0E386BDB16\n\tfor <parsemail@patchwork.libcamera.org>;\n\tThu, 27 Oct 2022 22:41:48 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 3626362FB8;\n\tFri, 28 Oct 2022 00:41:47 +0200 (CEST)", "from mail-oa1-x2e.google.com (mail-oa1-x2e.google.com\n\t[IPv6:2001:4860:4864:20::2e])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 0D82662FA8\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tFri, 28 Oct 2022 00:41:43 +0200 (CEST)", "by mail-oa1-x2e.google.com with SMTP id\n\t586e51a60fabf-13bef14ea06so4322320fac.3\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tThu, 27 Oct 2022 15:41:42 -0700 (PDT)", "from nroth-pc.attlocal.net\n\t([2600:1700:20:20c0:6a4b:7aa7:dda2:75cb])\n\tby smtp.gmail.com with ESMTPSA id\n\tr20-20020a056830419400b006619533d1ddsm976825otu.76.2022.10.27.15.41.40\n\t(version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n\tThu, 27 Oct 2022 15:41:41 -0700 (PDT)" ], "DKIM-Signature": [ "v=1; 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\n\tThu, 27 Oct 2022 15:41:41 -0700 (PDT)", "To": "libcamera-devel@lists.libcamera.org", "Date": "Thu, 27 Oct 2022 17:41:27 -0500", "Message-Id": "<20221027224135.348115-3-nicholas@rothemail.net>", "X-Mailer": "git-send-email 2.34.1", "In-Reply-To": "<20221027224135.348115-1-nicholas@rothemail.net>", "References": "<20221027224135.348115-1-nicholas@rothemail.net>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Subject": "[libcamera-devel] [PATCH v4 02/10] ipa: add missing thread-safety\n\tannotations", "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": "Nicholas Roth via libcamera-devel <libcamera-devel@lists.libcamera.org>", "Reply-To": "libcamera-devel@lists.libcamera.org", "Cc": "nicholas@rothemail.net", "Errors-To": "libcamera-devel-bounces@lists.libcamera.org", "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>" }, "content": "From: Nicholas Roth <nicholas@rothemail.net>\n\nThe raspberrypi IPA is missing thread-safety annotations, which breaks\nthe build.\n\nAdd required thread-safety annotations.\n\n../src/ipa/raspberrypi/controller/metadata.h:108:31: error: mutex\n 'mutex_' is still held at the end of function [-Werror,-Wthread-safety-analysis]\n void lock() { mutex_.lock(); }\n ^\n../src/ipa/raspberrypi/controller/metadata.h:108:23: note: mutex\n acquired here\n void lock() { mutex_.lock(); }\n ^\n../src/ipa/raspberrypi/controller/metadata.h:109:25: error: releasing\n mutex 'mutex_' that was not held [-Werror,-Wthread-safety-analysis]\n void unlock() { mutex_.unlock(); }\n ^\n\nSigned-off-by: Nicholas Roth <nicholas@rothemail.net>\n---\n src/ipa/raspberrypi/controller/metadata.h | 8 +++++---\n 1 file changed, 5 insertions(+), 3 deletions(-)", "diff": "diff --git a/src/ipa/raspberrypi/controller/metadata.h b/src/ipa/raspberrypi/controller/metadata.h\nindex 0f7ebfaf..870b6e26 100644\n--- a/src/ipa/raspberrypi/controller/metadata.h\n+++ b/src/ipa/raspberrypi/controller/metadata.h\n@@ -13,9 +13,11 @@\n #include <mutex>\n #include <string>\n \n+#include <libcamera/base/thread_annotations.h>\n+\n namespace RPiController {\n \n-class Metadata\n+class LIBCAMERA_TSA_CAPABILITY(\"mutex\") Metadata\n {\n public:\n \tMetadata() = default;\n@@ -103,8 +105,8 @@ public:\n \t * locks with the standard lock classes.\n \t * e.g. std::lock_guard<RPiController::Metadata> lock(metadata)\n \t */\n-\tvoid lock() { mutex_.lock(); }\n-\tvoid unlock() { mutex_.unlock(); }\n+\tvoid lock() LIBCAMERA_TSA_ACQUIRE() { mutex_.lock(); }\n+\tvoid unlock() LIBCAMERA_TSA_RELEASE() { mutex_.unlock(); }\n \n private:\n \tmutable std::mutex mutex_;\n", "prefixes": [ "libcamera-devel", "v4", "02/10" ] }