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{
    "id": 1718,
    "url": "https://patchwork.libcamera.org/api/patches/1718/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/1718/",
    "project": {
        "id": 1,
        "url": "https://patchwork.libcamera.org/api/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": "<20190719080556.26785-1-jacopo@jmondi.org>",
    "date": "2019-07-19T08:05:56",
    "name": "[libcamera-devel] libcamera: process: Fail loudly on isolate",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
    "archived": false,
    "hash": "62d575920c2c75e1939bbad6c7f7dc1ab80c386c",
    "submitter": {
        "id": 3,
        "url": "https://patchwork.libcamera.org/api/people/3/?format=api",
        "name": "Jacopo Mondi",
        "email": "jacopo@jmondi.org"
    },
    "delegate": null,
    "mbox": "https://patchwork.libcamera.org/patch/1718/mbox/",
    "series": [
        {
            "id": 441,
            "url": "https://patchwork.libcamera.org/api/series/441/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=441",
            "date": "2019-07-19T08:05:56",
            "name": "[libcamera-devel] libcamera: process: Fail loudly on isolate",
            "version": 1,
            "mbox": "https://patchwork.libcamera.org/series/441/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/1718/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/1718/checks/",
    "tags": {},
    "headers": {
        "Return-Path": "<jacopo@jmondi.org>",
        "Received": [
            "from relay10.mail.gandi.net (relay10.mail.gandi.net\n\t[217.70.178.230])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id E617860C00\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tFri, 19 Jul 2019 10:04:43 +0200 (CEST)",
            "from uno.lan (2-224-242-101.ip172.fastwebnet.it [2.224.242.101])\n\t(Authenticated sender: jacopo@jmondi.org)\n\tby relay10.mail.gandi.net (Postfix) with ESMTPSA id 5E28C24000F;\n\tFri, 19 Jul 2019 08:04:42 +0000 (UTC)"
        ],
        "From": "Jacopo Mondi <jacopo@jmondi.org>",
        "To": "libcamera-devel@lists.libcamera.org",
        "Date": "Fri, 19 Jul 2019 10:05:56 +0200",
        "Message-Id": "<20190719080556.26785-1-jacopo@jmondi.org>",
        "X-Mailer": "git-send-email 2.21.0",
        "MIME-Version": "1.0",
        "Content-Transfer-Encoding": "8bit",
        "Subject": "[libcamera-devel] [PATCH] libcamera: process: Fail loudly on isolate",
        "X-BeenThere": "libcamera-devel@lists.libcamera.org",
        "X-Mailman-Version": "2.1.23",
        "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>",
        "X-List-Received-Date": "Fri, 19 Jul 2019 08:04:44 -0000"
    },
    "content": "Add an error debug message when disassociating part of a process\nexecution context using unshare fails.\n\nAs this is currently used to isolate a child process which is\nimmediately terminated silently if unshare fails, add a debug printout\nand propagate up the error code to make the failure more visible.\n\nSigned-off-by: Jacopo Mondi <jacopo@jmondi.org>\n---\n src/libcamera/process.cpp | 10 +++++++++-\n 1 file changed, 9 insertions(+), 1 deletion(-)\n\n--\n2.21.0",
    "diff": "diff --git a/src/libcamera/process.cpp b/src/libcamera/process.cpp\nindex 6c41da219f05..ab716a9cd57f 100644\n--- a/src/libcamera/process.cpp\n+++ b/src/libcamera/process.cpp\n@@ -306,7 +306,15 @@ void Process::closeAllFdsExcept(const std::vector<int> &fds)\n\n int Process::isolate()\n {\n-\treturn unshare(CLONE_NEWUSER | CLONE_NEWNET);\n+\tint ret = unshare(CLONE_NEWUSER | CLONE_NEWNET);\n+\tif (ret) {\n+\t\tret = -errno;\n+\t\tLOG(Process, Error) << \"Failed to unshare execution context: \"\n+\t\t\t\t    << strerror(-ret);\n+\t\treturn ret;\n+\t}\n+\n+\treturn 0;\n }\n\n /**\n",
    "prefixes": [
        "libcamera-devel"
    ]
}