{"id":21665,"url":"https://patchwork.libcamera.org/api/covers/21665/?format=json","web_url":"https://patchwork.libcamera.org/cover/21665/","project":{"id":1,"url":"https://patchwork.libcamera.org/api/projects/1/?format=json","name":"libcamera","link_name":"libcamera","list_id":"libcamera_core","list_email":"libcamera-devel@lists.libcamera.org","web_url":"","scm_url":"","webscm_url":""},"msgid":"<20241018075942.1150378-1-chenghaoyang@chromium.org>","date":"2024-10-18T07:57:33","name":"[0/4] IPC disconnect signals","submitter":{"id":117,"url":"https://patchwork.libcamera.org/api/people/117/?format=json","name":"Cheng-Hao Yang","email":"chenghaoyang@chromium.org"},"mbox":"https://patchwork.libcamera.org/cover/21665/mbox/","series":[{"id":4715,"url":"https://patchwork.libcamera.org/api/series/4715/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=4715","date":"2024-10-18T07:57:33","name":"IPC disconnect signals","version":1,"mbox":"https://patchwork.libcamera.org/series/4715/mbox/"}],"comments":"https://patchwork.libcamera.org/api/covers/21665/comments/","headers":{"Return-Path":"","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 29EA7C32FC\n\tfor ;\n\tFri, 18 Oct 2024 07:59:52 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 267C86538E;\n\tFri, 18 Oct 2024 09:59:51 +0200 (CEST)","from mail-pg1-x536.google.com (mail-pg1-x536.google.com\n\t[IPv6:2607:f8b0:4864:20::536])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 056E465387\n\tfor ;\n\tFri, 18 Oct 2024 09:59:50 +0200 (CEST)","by mail-pg1-x536.google.com with SMTP id\n\t41be03b00d2f7-7ea6a4f287bso1271089a12.3\n\tfor ;\n\tFri, 18 Oct 2024 00:59:49 -0700 (PDT)","from chenghaoyang-low.c.googlers.com.com\n\t(27.247.221.35.bc.googleusercontent.com. [35.221.247.27])\n\tby smtp.gmail.com with ESMTPSA id\n\td2e1a72fcca58-71ea345b0c3sm901274b3a.172.2024.10.18.00.59.46\n\t(version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n\tFri, 18 Oct 2024 00:59:47 -0700 (PDT)"],"Authentication-Results":"lancelot.ideasonboard.com; dkim=pass (1024-bit key;\n\tunprotected) header.d=chromium.org header.i=@chromium.org\n\theader.b=\"AAJwJuBx\"; dkim-atps=neutral","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=chromium.org; s=google; t=1729238388; x=1729843188;\n\tdarn=lists.libcamera.org; \n\th=content-transfer-encoding:mime-version:message-id:date:subject:cc\n\t:to:from:from:to:cc:subject:date:message-id:reply-to;\n\tbh=jeWZkFEjJSq2WegfOcySsHRlekdWBIIX+WdrIESgmSQ=;\n\tb=AAJwJuBxwCYgcjaVgdRefG0dVDkIWi1feCADU+o6xHWUKOmInBUVxsFDt6hKyJ8Rvp\n\txiRVZLe5A2FcQ/Xmd7XRzXXK82oli0kpfiFIlniXDgnNVtZzH7bdcnVHQiX4ztCDrF2i\n\tI2B3PUTOfdu4p1kKpRsuArcOjEgedlHZ0RZYs=","X-Google-DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=1e100.net; s=20230601; t=1729238388; x=1729843188;\n\th=content-transfer-encoding:mime-version:message-id:date:subject:cc\n\t:to:from:x-gm-message-state:from:to:cc:subject:date:message-id\n\t:reply-to;\n\tbh=jeWZkFEjJSq2WegfOcySsHRlekdWBIIX+WdrIESgmSQ=;\n\tb=CQRZgLPv7EAYg7xNvNN0fn/gJK7Id/oGvMn2zwpoMU/46CvFj4u5ZQPKyOwQ6cc2sM\n\tNL7Xie2DlKcNSHGy6gb+fhe8BxXZgQwl2xANmMb2zGCAqNFl+T12e1GceBFbrICYZZrB\n\tiVmrVrM9OOLZJu9dOzk35JWQ01Qo+v9NwmrExHxXQHSd6YPIw3gCigj8fm1orN8t6PTp\n\t64KaT2ZQGoqila++5KBTliv8UreoD6qKOYPHfuyv7qx2bWwlK2t/EdHsUiRt7/1I94aC\n\tn5DmHvi+XMHAhXllWnJ8mYjNaBRNTe5QkmR1snbtz/Xhv6Haqff0P16LRoNc25fT3ONz\n\tYJuA==","X-Gm-Message-State":"AOJu0YyapBaM12poiCvxvA3FtrtxI0uqAdaiWJVpSGVUb1wPSKgkS9Je\n\tk+RZ4pA/PResFdNfBAtopdMLzcdKq2+p/KEE7DeOyT5IMdH7qfRE48nhsYvfWny3YpDtZskKgQw\n\t=","X-Google-Smtp-Source":"AGHT+IETYK9rIeCjhG6kcut19bZOLrtNU7lNFJJmxV78sZ5OGbXR0RDVV342uv9LwerqFVpkoPalFg==","X-Received":"by 2002:a05:6a21:6b0b:b0:1d8:f977:8cda with SMTP id\n\tadf61e73a8af0-1d92c5087f1mr2017624637.27.1729238387663; \n\tFri, 18 Oct 2024 00:59:47 -0700 (PDT)","From":"Harvey Yang ","To":"libcamera-devel@lists.libcamera.org","Cc":"Harvey Yang ","Subject":"[PATCH 0/4] IPC disconnect signals","Date":"Fri, 18 Oct 2024 07:57:33 +0000","Message-ID":"<20241018075942.1150378-1-chenghaoyang@chromium.org>","X-Mailer":"git-send-email 2.47.0.rc1.288.g06298d1525-goog","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","X-BeenThere":"libcamera-devel@lists.libcamera.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" "},"content":"Hi folks,\n\nThis series of patches adds signals to detect disconnections in the IPC.\nIt also reuses signal `Camera::disconnected`, which were used when a\nwhole pipeline handler is disconnected.\n\nThis passes gitlab pipeline:\nhttps://gitlab.freedesktop.org/chenghaoyang/libcamera/-/pipelines/1292655\n\nBR,\nHarvey\n\n\n\nHarvey Yang (4):\n libcamera: Add signal disconnected for IPC\n libcamera: Use disconnect signal in ipa proxy worker\n libcamera: Detect IPC disconnection with poll\n libcamera: Make Camera::Private::isAcquired() protected\n\n include/libcamera/base/event_notifier.h | 1 +\n include/libcamera/internal/camera.h | 6 +++-\n .../libcamera/internal/ipc_pipe_unixsocket.h | 2 ++\n include/libcamera/internal/ipc_unixsocket.h | 3 ++\n src/libcamera/base/event_dispatcher_poll.cpp | 9 ++++++\n src/libcamera/base/event_notifier.cpp | 5 +++\n src/libcamera/camera.cpp | 13 ++++++++\n src/libcamera/ipc_pipe_unixsocket.cpp | 8 +++++\n src/libcamera/ipc_unixsocket.cpp | 32 +++++++++++++++++--\n .../module_ipa_proxy.cpp.tmpl | 8 +++++\n .../module_ipa_proxy.h.tmpl | 2 ++\n .../module_ipa_proxy_worker.cpp.tmpl | 5 +++\n 12 files changed, 91 insertions(+), 3 deletions(-)"}