{"id":14898,"url":"https://patchwork.libcamera.org/api/patches/14898/?format=json","web_url":"https://patchwork.libcamera.org/patch/14898/","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":"<20211130155600.2203123-2-hiroh@chromium.org>","date":"2021-11-30T15:55:49","name":"[libcamera-devel,v3,01/12] libcamera: base: Introduce ConditionVariable","commit_ref":null,"pull_url":null,"state":"superseded","archived":false,"hash":"07196e708571922015eab0544c114f52e57bac4f","submitter":{"id":63,"url":"https://patchwork.libcamera.org/api/people/63/?format=json","name":"Hirokazu Honda","email":"hiroh@chromium.org"},"delegate":null,"mbox":"https://patchwork.libcamera.org/patch/14898/mbox/","series":[{"id":2785,"url":"https://patchwork.libcamera.org/api/series/2785/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=2785","date":"2021-11-30T15:55:48","name":"Introduce clang thread safety annotations","version":3,"mbox":"https://patchwork.libcamera.org/series/2785/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/14898/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/14898/checks/","tags":{},"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 CE079BF415\n\tfor ;\n\tTue, 30 Nov 2021 15:56:13 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 7778B60725;\n\tTue, 30 Nov 2021 16:56:13 +0100 (CET)","from mail-pg1-x534.google.com (mail-pg1-x534.google.com\n\t[IPv6:2607:f8b0:4864:20::534])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 82D6360710\n\tfor ;\n\tTue, 30 Nov 2021 16:56:10 +0100 (CET)","by mail-pg1-x534.google.com with SMTP id s37so10567648pga.9\n\tfor ;\n\tTue, 30 Nov 2021 07:56:10 -0800 (PST)","from hiroh2.tok.corp.google.com\n\t([2401:fa00:8f:203:c90a:5a53:b139:1336])\n\tby smtp.gmail.com with ESMTPSA id\n\tpc10sm3510283pjb.9.2021.11.30.07.56.07\n\t(version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n\tTue, 30 Nov 2021 07:56:08 -0800 (PST)"],"Authentication-Results":"lancelot.ideasonboard.com;\n\tdkim=fail reason=\"signature verification failed\" (1024-bit key;\n\tunprotected) header.d=chromium.org header.i=@chromium.org\n\theader.b=\"XFooAvm9\"; 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\n\tTue, 30 Nov 2021 07:56:08 -0800 (PST)","From":"Hirokazu Honda ","To":"libcamera-devel@lists.libcamera.org","Date":"Wed, 1 Dec 2021 00:55:49 +0900","Message-Id":"<20211130155600.2203123-2-hiroh@chromium.org>","X-Mailer":"git-send-email 2.34.0.rc2.393.gf8c9666880-goog","In-Reply-To":"<20211130155600.2203123-1-hiroh@chromium.org>","References":"<20211130155600.2203123-1-hiroh@chromium.org>","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","Subject":"[libcamera-devel] [PATCH v3 01/12] libcamera: base: Introduce\n\tConditionVariable","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":"ConditionVariable is alias to std::condition_variable. This replaces\nstd::condition_variable with the ConditionVariable. It enables\nreplacing ConditionVariable implementation easily in the following\npatches.\n\nSigned-off-by: Hirokazu Honda \nReviewed-by: Laurent Pinchart \n---\n include/libcamera/base/semaphore.h | 4 +---\n include/libcamera/base/thread.h | 2 ++\n src/android/camera_stream.h | 3 +--\n src/libcamera/base/thread.cpp | 8 ++++++--\n src/libcamera/camera_manager.cpp | 3 +--\n src/v4l2/v4l2_camera.h | 2 +-\n 6 files changed, 12 insertions(+), 10 deletions(-)","diff":"diff --git a/include/libcamera/base/semaphore.h b/include/libcamera/base/semaphore.h\nindex ae87d319..ec05fad3 100644\n--- a/include/libcamera/base/semaphore.h\n+++ b/include/libcamera/base/semaphore.h\n@@ -7,8 +7,6 @@\n \n #pragma once\n \n-#include \n-\n #include \n #include \n \n@@ -26,7 +24,7 @@ public:\n \n private:\n \tMutex mutex_;\n-\tstd::condition_variable cv_;\n+\tConditionVariable cv_;\n \tunsigned int available_;\n };\n \ndiff --git a/include/libcamera/base/thread.h b/include/libcamera/base/thread.h\nindex 32ebc80a..1ebf8363 100644\n--- a/include/libcamera/base/thread.h\n+++ b/include/libcamera/base/thread.h\n@@ -7,6 +7,7 @@\n \n #pragma once\n \n+#include \n #include \n #include \n #include \n@@ -26,6 +27,7 @@ class Object;\n class ThreadData;\n class ThreadMain;\n \n+using ConditionVariable = std::condition_variable;\n using Mutex = std::mutex;\n using MutexLocker = std::unique_lock;\n \ndiff --git a/src/android/camera_stream.h b/src/android/camera_stream.h\nindex e9da75f0..e4808369 100644\n--- a/src/android/camera_stream.h\n+++ b/src/android/camera_stream.h\n@@ -7,7 +7,6 @@\n \n #pragma once\n \n-#include \n #include \n #include \n #include \n@@ -154,7 +153,7 @@ private:\n \t\tPostProcessor *postProcessor_;\n \n \t\tlibcamera::Mutex mutex_;\n-\t\tstd::condition_variable cv_;\n+\t\tlibcamera::ConditionVariable cv_;\n \n \t\tstd::queue requests_;\n \t\tState state_ = State::Stopped;\ndiff --git a/src/libcamera/base/thread.cpp b/src/libcamera/base/thread.cpp\nindex d0ca30e3..b893135f 100644\n--- a/src/libcamera/base/thread.cpp\n+++ b/src/libcamera/base/thread.cpp\n@@ -8,7 +8,6 @@\n #include \n \n #include \n-#include \n #include \n #include \n #include \n@@ -158,7 +157,7 @@ private:\n \n \tstd::atomic dispatcher_;\n \n-\tstd::condition_variable cv_;\n+\tConditionVariable cv_;\n \tstd::atomic exit_;\n \tint exitCode_;\n \n@@ -205,6 +204,11 @@ ThreadData *ThreadData::current()\n \treturn data;\n }\n \n+/**\n+ * \\typedef ConditionVariable\n+ * \\brief An alias for std::condition_variable\n+ */\n+\n /**\n * \\typedef Mutex\n * \\brief An alias for std::mutex\ndiff --git a/src/libcamera/camera_manager.cpp b/src/libcamera/camera_manager.cpp\nindex e78bb1d7..77ff3bd1 100644\n--- a/src/libcamera/camera_manager.cpp\n+++ b/src/libcamera/camera_manager.cpp\n@@ -7,7 +7,6 @@\n \n #include \n \n-#include \n #include \n \n #include \n@@ -63,7 +62,7 @@ private:\n \tvoid createPipelineHandlers();\n \tvoid cleanup();\n \n-\tstd::condition_variable cv_;\n+\tConditionVariable cv_;\n \tbool initialized_;\n \tint status_;\n \ndiff --git a/src/v4l2/v4l2_camera.h b/src/v4l2/v4l2_camera.h\nindex 94263b2f..4afbb331 100644\n--- a/src/v4l2/v4l2_camera.h\n+++ b/src/v4l2/v4l2_camera.h\n@@ -82,6 +82,6 @@ private:\n \tint efd_;\n \n \tlibcamera::Mutex bufferMutex_;\n-\tstd::condition_variable bufferCV_;\n+\tlibcamera::ConditionVariable bufferCV_;\n \tunsigned int bufferAvailableCount_;\n };\n","prefixes":["libcamera-devel","v3","01/12"]}