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GET /api/1.1/patches/14826/?format=api
{ "id": 14826, "url": "https://patchwork.libcamera.org/api/1.1/patches/14826/?format=api", "web_url": "https://patchwork.libcamera.org/patch/14826/", "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": "<20211128235752.10836-12-laurent.pinchart@ideasonboard.com>", "date": "2021-11-28T23:57:46", "name": "[libcamera-devel,v3,11/17] libcamera: process: Manage pipe fds by UniqueFD", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": false, "hash": "96509ce7a7ada3c232f3e6dcb2fca65169acdcd3", "submitter": { "id": 2, "url":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/14826/mbox/", "series": [ { "id": 2768, "url": "https://patchwork.libcamera.org/api/1.1/series/2768/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=2768", "date": "2021-11-28T23:57:35", "name": "libcamera: Introduce UniqueFD", "version": 3, "mbox": "https://patchwork.libcamera.org/series/2768/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/patches/14826/comments/", "check": "pending", "checks": "https://patchwork.libcamera.org/api/patches/14826/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 5B97CC3252\n\tfor <parsemail@patchwork.libcamera.org>;\n\tSun, 28 Nov 2021 23:58:35 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 0AF766059C;\n\tMon, 29 Nov 2021 00:58:35 +0100 (CET)", "from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[213.167.242.64])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 3378C60593\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tMon, 29 Nov 2021 00:58:26 +0100 (CET)", "from pendragon.lan (62-78-145-57.bb.dnainternet.fi [62.78.145.57])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id B4E50730;\n\tMon, 29 Nov 2021 00:58:25 +0100 (CET)" ], "Authentication-Results": "lancelot.ideasonboard.com;\n\tdkim=fail reason=\"signature verification failed\" (1024-bit key;\n\tunprotected) header.d=ideasonboard.com header.i=@ideasonboard.com\n\theader.b=\"GjiQOx04\"; dkim-atps=neutral", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1638143906;\n\tbh=wZUeBApQnhJ+XbrzQ/BP6VCbs3sZ06zFDy7nWoacw54=;\n\th=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n\tb=GjiQOx04Vo9jHgUhdb4NQOIJTet0bQNVseqw/8Q2u48FXRjGw6k358odGPldOyHOl\n\telZeFRHQdI/p1YMLBg5O+lvsrrnWtQMyWT7VU5b3TnTVeXan5y/DniiA9beyXbwyY5\n\tcW1/yzn0cNR5v1xHAMWgq9gZzuajYW3HJDQ/3yK8=", "From": "Laurent Pinchart <laurent.pinchart@ideasonboard.com>", "To": "libcamera-devel@lists.libcamera.org", "Date": "Mon, 29 Nov 2021 01:57:46 +0200", "Message-Id": "<20211128235752.10836-12-laurent.pinchart@ideasonboard.com>", "X-Mailer": "git-send-email 2.32.0", "In-Reply-To": "<20211128235752.10836-1-laurent.pinchart@ideasonboard.com>", "References": "<20211128235752.10836-1-laurent.pinchart@ideasonboard.com>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Subject": "[libcamera-devel] [PATCH v3 11/17] libcamera: process: Manage pipe\n\tfds by UniqueFD", "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": "From: Hirokazu Honda <hiroh@chromium.org>\n\nManages the file descriptors owned by Process for pipe by UniqueFDs.\n\nSigned-off-by: Hirokazu Honda <hiroh@chromium.org>\nReviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>\n---\n include/libcamera/internal/process.h | 4 +++-\n src/libcamera/process.cpp | 16 ++++++++++------\n 2 files changed, 13 insertions(+), 7 deletions(-)", "diff": "diff --git a/include/libcamera/internal/process.h b/include/libcamera/internal/process.h\nindex 96748a3676e4..95e67e105a92 100644\n--- a/include/libcamera/internal/process.h\n+++ b/include/libcamera/internal/process.h\n@@ -12,6 +12,7 @@\n #include <vector>\n \n #include <libcamera/base/signal.h>\n+#include <libcamera/base/unique_fd.h>\n \n namespace libcamera {\n \n@@ -75,8 +76,9 @@ private:\n \tstd::list<Process *> processes_;\n \n \tstruct sigaction oldsa_;\n+\n \tEventNotifier *sigEvent_;\n-\tint pipe_[2];\n+\tUniqueFD pipe_[2];\n };\n \n } /* namespace libcamera */\ndiff --git a/src/libcamera/process.cpp b/src/libcamera/process.cpp\nindex eca1b30039b8..0e6b4e1dde58 100644\n--- a/src/libcamera/process.cpp\n+++ b/src/libcamera/process.cpp\n@@ -69,7 +69,7 @@ void sigact(int signal, siginfo_t *info, void *ucontext)\n void ProcessManager::sighandler()\n {\n \tchar data;\n-\tssize_t ret = read(pipe_[0], &data, sizeof(data));\n+\tssize_t ret = read(pipe_[0].get(), &data, sizeof(data));\n \tif (ret < 0) {\n \t\tLOG(Process, Error)\n \t\t\t<< \"Failed to read byte from signal handler pipe\";\n@@ -129,10 +129,15 @@ ProcessManager::ProcessManager()\n \n \tsigaction(SIGCHLD, &sa, NULL);\n \n-\tif (pipe2(pipe_, O_CLOEXEC | O_DIRECT | O_NONBLOCK))\n+\tint pipe[2];\n+\tif (pipe2(pipe, O_CLOEXEC | O_DIRECT | O_NONBLOCK))\n \t\tLOG(Process, Fatal)\n \t\t\t<< \"Failed to initialize pipe for signal handling\";\n-\tsigEvent_ = new EventNotifier(pipe_[0], EventNotifier::Read);\n+\n+\tpipe_[0] = UniqueFD(pipe[0]);\n+\tpipe_[1] = UniqueFD(pipe[1]);\n+\n+\tsigEvent_ = new EventNotifier(pipe_[0].get(), EventNotifier::Read);\n \tsigEvent_->activated.connect(this, &ProcessManager::sighandler);\n \n \tself_ = this;\n@@ -141,9 +146,8 @@ ProcessManager::ProcessManager()\n ProcessManager::~ProcessManager()\n {\n \tsigaction(SIGCHLD, &oldsa_, NULL);\n+\n \tdelete sigEvent_;\n-\tclose(pipe_[0]);\n-\tclose(pipe_[1]);\n \n \tself_ = nullptr;\n }\n@@ -170,7 +174,7 @@ ProcessManager *ProcessManager::instance()\n */\n int ProcessManager::writePipe() const\n {\n-\treturn pipe_[1];\n+\treturn pipe_[1].get();\n }\n \n /**\n", "prefixes": [ "libcamera-devel", "v3", "11/17" ] }