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{
    "id": 14885,
    "url": "https://patchwork.libcamera.org/api/1.1/patches/14885/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/14885/",
    "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": "<20211130102925.2141-1-laurent.pinchart@ideasonboard.com>",
    "date": "2021-11-30T10:29:25",
    "name": "[libcamera-devel,v4.1,20/22] libcamera: base: shared_fd: Add comparison operators",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
    "archived": false,
    "hash": "717445007d6d3997653480697a1a9593c44fefb3",
    "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/14885/mbox/",
    "series": [
        {
            "id": 2781,
            "url": "https://patchwork.libcamera.org/api/1.1/series/2781/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=2781",
            "date": "2021-11-30T10:27:16",
            "name": null,
            "version": 1,
            "mbox": "https://patchwork.libcamera.org/series/2781/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/14885/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/14885/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 DC14CBF415\n\tfor <parsemail@patchwork.libcamera.org>;\n\tTue, 30 Nov 2021 10:29:55 +0000 (UTC)",
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        ],
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        "From": "Laurent Pinchart <laurent.pinchart@ideasonboard.com>",
        "To": "libcamera-devel@lists.libcamera.org",
        "Date": "Tue, 30 Nov 2021 12:29:25 +0200",
        "Message-Id": "<20211130102925.2141-1-laurent.pinchart@ideasonboard.com>",
        "X-Mailer": "git-send-email 2.32.0",
        "In-Reply-To": "<20211130033820.18235-21-laurent.pinchart@ideasonboard.com>",
        "References": "<20211130033820.18235-21-laurent.pinchart@ideasonboard.com>",
        "MIME-Version": "1.0",
        "Content-Transfer-Encoding": "8bit",
        "Subject": "[libcamera-devel] [PATCH v4.1 20/22] libcamera: base: shared_fd:\n\tAdd comparison operators",
        "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": "Add == and != comparison operators between two SharedFD instances, and\nuse them to replace manuel get() calls.\n\nSigned-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>\nReviewed-by: Hirokazu Honda <hiroh@chromium.org>\n---\nChanges since v4:\n\n- Fix typos in documentation\n\nThis patch will move after 21/22 (the fd() to get() rename) in the next\nversion.\n\n---\n include/libcamera/base/shared_fd.h | 10 ++++++++++\n src/libcamera/base/shared_fd.cpp   | 26 ++++++++++++++++++++++++++\n src/libcamera/framebuffer.cpp      |  2 +-\n 3 files changed, 37 insertions(+), 1 deletion(-)",
    "diff": "diff --git a/include/libcamera/base/shared_fd.h b/include/libcamera/base/shared_fd.h\nindex 202192240110..e53a8b88601e 100644\n--- a/include/libcamera/base/shared_fd.h\n+++ b/include/libcamera/base/shared_fd.h\n@@ -46,4 +46,14 @@ private:\n \tstd::shared_ptr<Descriptor> fd_;\n };\n \n+static inline bool operator==(const SharedFD &lhs, const SharedFD &rhs)\n+{\n+\treturn lhs.get() == rhs.get();\n+}\n+\n+static inline bool operator!=(const SharedFD &lhs, const SharedFD &rhs)\n+{\n+\treturn !(lhs == rhs);\n+}\n+\n } /* namespace libcamera */\ndiff --git a/src/libcamera/base/shared_fd.cpp b/src/libcamera/base/shared_fd.cpp\nindex bb35b448995d..bd2ab5aa25b7 100644\n--- a/src/libcamera/base/shared_fd.cpp\n+++ b/src/libcamera/base/shared_fd.cpp\n@@ -214,6 +214,32 @@ SharedFD &SharedFD::operator=(SharedFD &&other)\n  * instance is invalid\n  */\n \n+/**\n+ * \\fn bool operator==(const SharedFD &lhs, const SharedFD &rhs)\n+ * \\brief Compare the owned file descriptors of two SharedFD for equality\n+ * \\param[in] lhs The first SharedFD\n+ * \\param[in] rhs The second SharedFD\n+ *\n+ * Two file descriptors are considered equal if they have the same numerical\n+ * value. File descriptors with different values that both reference the same\n+ * file (for instance obtained using dup()) are considered not equal.\n+ *\n+ * \\return True if the two file descriptors are equal, false otherwise\n+ */\n+\n+/**\n+ * \\fn bool operator!=(const SharedFD &lhs, const SharedFD &rhs)\n+ * \\brief Compare the owned file descriptors of two SharedFD for equality\n+ * \\param[in] lhs The first SharedFD\n+ * \\param[in] rhs The second SharedFD\n+ *\n+ * Two file descriptors are considered equal if they have the same numerical\n+ * value. File descriptors with different values that both reference the same\n+ * file (for instance obtained using dup()) are considered not equal.\n+ *\n+ * \\return True if the two file descriptors are not equal, false otherwise\n+ */\n+\n /**\n  * \\brief Duplicate a SharedFD\n  *\ndiff --git a/src/libcamera/framebuffer.cpp b/src/libcamera/framebuffer.cpp\nindex ee93ba4da3d5..8857049ec33b 100644\n--- a/src/libcamera/framebuffer.cpp\n+++ b/src/libcamera/framebuffer.cpp\n@@ -258,7 +258,7 @@ FrameBuffer::FrameBuffer(const std::vector<Plane> &planes, unsigned int cookie)\n \t\t * Two different dmabuf file descriptors may still refer to the\n \t\t * same dmabuf instance. Check this using inodes.\n \t\t */\n-\t\tif (plane.fd.fd() != planes_[0].fd.fd()) {\n+\t\tif (plane.fd != planes_[0].fd) {\n \t\t\tif (!inode)\n \t\t\t\tinode = fileDescriptorInode(planes_[0].fd);\n \t\t\tif (fileDescriptorInode(plane.fd) != inode) {\n",
    "prefixes": [
        "libcamera-devel",
        "v4.1",
        "20/22"
    ]
}