[{"id":13699,"web_url":"https://patchwork.libcamera.org/comment/13699/","msgid":"<65ac3010-0e71-44f3-bf9c-5963cd11f08d@ideasonboard.com>","date":"2020-11-13T10:06:40","subject":"Re: [libcamera-devel] [PATCH v1 4/5] cam: event_loop: Add deferred\n\tcalls support","submitter":{"id":4,"url":"https://patchwork.libcamera.org/api/people/4/","name":"Kieran Bingham","email":"kieran.bingham@ideasonboard.com"},"content":"On 13/11/2020 06:38, Laurent Pinchart wrote:\n> Add a deferred cals queue to the EventLoop class to support queuing\n> calls from a different thread and processing them in the event loop's\n> thread.\n> \n> Signed-off-by: Laurent Pinchart \n\nReviewed-by: Kieran Bingham \n\n> ---\n> src/cam/event_loop.cpp | 29 ++++++++++++++++++++++++++++-\n> src/cam/event_loop.h | 9 +++++++++\n> 2 files changed, 37 insertions(+), 1 deletion(-)\n> \n> diff --git a/src/cam/event_loop.cpp b/src/cam/event_loop.cpp\n> index 13f2583da0a1..94c5d1d36245 100644\n> --- a/src/cam/event_loop.cpp\n> +++ b/src/cam/event_loop.cpp\n> @@ -40,8 +40,10 @@ int EventLoop::exec()\n> \texitCode_ = -1;\n> \texit_.store(false, std::memory_order_release);\n> \n> -\twhile (!exit_.load(std::memory_order_acquire))\n> +\twhile (!exit_.load(std::memory_order_acquire)) {\n> +\t\tdispatchCalls();\n> \t\tevent_base_loop(event_, EVLOOP_NO_EXIT_ON_EMPTY);\n> +\t}\n> \n> \treturn exitCode_;\n> }\n> @@ -57,3 +59,28 @@ void EventLoop::interrupt()\n> {\n> \tevent_base_loopbreak(event_);\n> }\n> +\n> +void EventLoop::callLater(const std::function &func)\n> +{\n> +\t{\n> +\t\tstd::unique_lock locker(lock_);\n> +\t\tcalls_.push_back(func);\n> +\t}\n> +\n> +\tinterrupt();\n> +}\n> +\n> +void EventLoop::dispatchCalls()\n> +{\n> +\tstd::unique_lock locker(lock_);\n> +\n> +\tfor (auto iter = calls_.begin(); iter != calls_.end(); ) {\n> +\t\tstd::function call = std::move(*iter);\n> +\n> +\t\titer = calls_.erase(iter);\n> +\n> +\t\tlocker.unlock();\n> +\t\tcall();\n> +\t\tlocker.lock();\n> +\t}\n> +}\n> diff --git a/src/cam/event_loop.h b/src/cam/event_loop.h\n> index b1c6bd103080..408073c50594 100644\n> --- a/src/cam/event_loop.h\n> +++ b/src/cam/event_loop.h\n> @@ -8,6 +8,9 @@\n> #define __CAM_EVENT_LOOP_H__\n> \n> #include \n> +#include \n> +#include \n> +#include \n> \n> struct event_base;\n> \n> @@ -22,6 +25,8 @@ public:\n> \tint exec();\n> \tvoid exit(int code = 0);\n> \n> +\tvoid callLater(const std::function &func);\n> +\n> private:\n> \tstatic EventLoop *instance_;\n> \n> @@ -29,7 +34,11 @@ private:\n> \tstd::atomic exit_;\n> \tint exitCode_;\n> \n> +\tstd::list> calls_;\n> +\tstd::mutex lock_;\n> +\n> \tvoid interrupt();\n> +\tvoid dispatchCalls();\n> };\n> \n> #endif /* __CAM_EVENT_LOOP_H__ */\n>","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 45941BE086\n\tfor ;\n\tFri, 13 Nov 2020 10:06:45 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id A6CFB631BD;\n\tFri, 13 Nov 2020 11:06:44 +0100 (CET)","from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[IPv6:2001:4b98:dc2:55:216:3eff:fef7:d647])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id A86E9631B8\n\tfor ;\n\tFri, 13 Nov 2020 11:06:43 +0100 (CET)","from [192.168.0.20]\n\t(cpc89244-aztw30-2-0-cust3082.18-1.cable.virginm.net [86.31.172.11])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id 1D96B31A;\n\tFri, 13 Nov 2020 11:06:43 +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=\"rFRR7TD0\"; dkim-atps=neutral","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1605262003;\n\tbh=xSm2LAnMAkAjEda/i/BYDwSoSJ8BPqLPcaKOHi99rgo=;\n\th=Reply-To:Subject:To:References:From:Date:In-Reply-To:From;\n\tb=rFRR7TD0goQA843G55EOsO5pOMTHq66j/u/PFs7wRbbnUmHBHR24TI0RzvDoZLsxB\n\toljKogDpOPx1qnuq35KX30GJZXmipohRlwTe0/PPNaY3UTXSzpcbDzQRO39YqitL4v\n\t0atThhnVNLstHuHscGMU4u6ZbI3TE+NdSm0KTavo=","To":"Laurent Pinchart ,\n\tlibcamera-devel@lists.libcamera.org","References":"<20201113063815.10288-1-laurent.pinchart@ideasonboard.com>\n\t<20201113063815.10288-5-laurent.pinchart@ideasonboard.com>","From":"Kieran Bingham ","Autocrypt":"addr=kieran.bingham@ideasonboard.com; keydata=\n\tmQINBFYE/WYBEACs1PwjMD9rgCu1hlIiUA1AXR4rv2v+BCLUq//vrX5S5bjzxKAryRf0uHat\n\tV/zwz6hiDrZuHUACDB7X8OaQcwhLaVlq6byfoBr25+hbZG7G3+5EUl9cQ7dQEdvNj6V6y/SC\n\trRanWfelwQThCHckbobWiQJfK9n7rYNcPMq9B8e9F020LFH7Kj6YmO95ewJGgLm+idg1Kb3C\n\tpotzWkXc1xmPzcQ1fvQMOfMwdS+4SNw4rY9f07Xb2K99rjMwZVDgESKIzhsDB5GY465sCsiQ\n\tcSAZRxqE49RTBq2+EQsbrQpIc8XiffAB8qexh5/QPzCmR4kJgCGeHIXBtgRj+nIkCJPZvZtf\n\tKr2EAbc6tgg6DkAEHJb+1okosV09+0+TXywYvtEop/WUOWQ+zo+Y/OBd+8Ptgt1pDRyOBzL8\n\tRXa8ZqRf0Mwg75D+dKntZeJHzPRJyrlfQokngAAs4PaFt6UfS+ypMAF37T6CeDArQC41V3ko\n\tlPn1yMsVD0p+6i3DPvA/GPIksDC4owjnzVX9kM8Zc5Cx+XoAN0w5Eqo4t6qEVbuettxx55gq\n\t8K8FieAjgjMSxngo/HST8TpFeqI5nVeq0/lqtBRQKumuIqDg+Bkr4L1V/PSB6XgQcOdhtd36\n\tOe9X9dXB8YSNt7VjOcO7BTmFn/Z8r92mSAfHXpb07YJWJosQOQARAQABtDBLaWVyYW4gQmlu\n\tZ2hhbSA8a2llcmFuLmJpbmdoYW1AaWRlYXNvbmJvYXJkLmNvbT6JAlcEEwEKAEECGwMFCwkI\n\tBwIGFQgJCgsCBBYCAwECHgECF4ACGQEWIQSQLdeYP70o/eNy1HqhHkZyEKRh/QUCXWTtygUJ\n\tCyJXZAAKCRChHkZyEKRh/f8dEACTDsbLN2nioNZMwyLuQRUAFcXNolDX48xcUXsWS2QjxaPm\n\tVsJx8Uy8aYkS85mdPBh0C83OovQR/OVbr8AxhGvYqBs3nQvbWuTl/+4od7DfK2VZOoKBAu5S\n\tQK2FYuUcikDqYcFWJ8DQnubxfE8dvzojHEkXw0sA4igINHDDFX3HJGZtLio+WpEFQtCbfTAG\n\tYZslasz1YZRbwEdSsmO3/kqy5eMnczlm8a21A3fKUo3g8oAZEFM+f4DUNzqIltg31OAB/kZS\n\tenKZQ/SWC8PmLg/ZXBrReYakxXtkP6w3FwMlzOlhGxqhIRNiAJfXJBaRhuUWzPOpEDE9q5YJ\n\tBmqQL2WJm1VSNNVxbXJHpaWMH1sA2R00vmvRrPXGwyIO0IPYeUYQa3gsy6k+En/aMQJd27dp\n\taScf9am9PFICPY5T4ppneeJLif2lyLojo0mcHOV+uyrds9XkLpp14GfTkeKPdPMrLLTsHRfH\n\tfA4I4OBpRrEPiGIZB/0im98MkGY/Mu6qxeZmYLCcgD6qz4idOvfgVOrNh+aA8HzIVR+RMW8H\n\tQGBN9f0E3kfwxuhl3omo6V7lDw8XOdmuWZNC9zPq1UfryVHANYbLGz9KJ4Aw6M+OgBC2JpkD\n\thXMdHUkC+d20dwXrwHTlrJi1YNp6rBc+xald3wsUPOZ5z8moTHUX/uPA/qhGsbkCDQRWBP1m\n\tARAAzijkb+Sau4hAncr1JjOY+KyFEdUNxRy+hqTJdJfaYihxyaj0Ee0P0zEi35CbE6lgU0Uz\n\ttih9fiUbSV3wfsWqg1Ut3/5rTKu7kLFp15kF7eqvV4uezXRD3Qu4yjv/rMmEJbbD4cTvGCYI\n\td6MDC417f7vK3hCbCVIZSp3GXxyC1LU+UQr3fFcOyCwmP9vDUR9JV0BSqHHxRDdpUXE26Dk6\n\tmhf0V1YkspE5St814ETXpEus2urZE5yJIUROlWPIL+hm3NEWfAP06vsQUyLvr/GtbOT79vXl\n\tEn1aulcYyu20dRRxhkQ6iILaURcxIAVJJKPi8dsoMnS8pB0QW12AHWuirPF0g6DiuUfPmrA5\n\tPKe56IGlpkjc8cO51lIxHkWTpCMWigRdPDexKX+Sb+W9QWK/0JjIc4t3KBaiG8O4yRX8ml2R\n\t+rxfAVKM6V769P/hWoRGdgUMgYHFpHGSgEt80OKK5HeUPy2cngDUXzwrqiM5Sz6Od0qw5pCk\n\tNlXqI0W/who0iSVM+8+RmyY0OEkxEcci7rRLsGnM15B5PjLJjh1f2ULYkv8s4SnDwMZ/kE04\n\t/UqCMK/KnX8pwXEMCjz0h6qWNpGwJ0/tYIgQJZh6bqkvBrDogAvuhf60Sogw+mH8b+PBlx1L\n\toeTK396wc+4c3BfiC6pNtUS5GpsPMMjYMk7kVvEAEQEAAYkCPAQYAQoAJgIbDBYhBJAt15g/\n\tvSj943LUeqEeRnIQpGH9BQJdizzIBQkLSKZiAAoJEKEeRnIQpGH9eYgQAJpjaWNgqNOnMTmD\n\tMJggbwjIotypzIXfhHNCeTkG7+qCDlSaBPclcPGYrTwCt0YWPU2TgGgJrVhYT20ierN8LUvj\n\t6qOPTd+Uk7NFzL65qkh80ZKNBFddx1AabQpSVQKbdcLb8OFs85kuSvFdgqZwgxA1vl4TFhNz\n\tPZ79NAmXLackAx3sOVFhk4WQaKRshCB7cSl+RIng5S/ThOBlwNlcKG7j7W2MC06BlTbdEkUp\n\tECzuuRBv8wX4OQl+hbWbB/VKIx5HKlLu1eypen/5lNVzSqMMIYkkZcjV2SWQyUGxSwq0O/sx\n\tS0A8/atCHUXOboUsn54qdxrVDaK+6jIAuo8JiRWctP16KjzUM7MO0/+4zllM8EY57rXrj48j\n\tsbEYX0YQnzaj+jO6kJtoZsIaYR7rMMq9aUAjyiaEZpmP1qF/2sYenDx0Fg2BSlLvLvXM0vU8\n\tpQk3kgDu7kb/7PRYrZvBsr21EIQoIjXbZxDz/o7z95frkP71EaICttZ6k9q5oxxA5WC6sTXc\n\tMW8zs8avFNuA9VpXt0YupJd2ijtZy2mpZNG02fFVXhIn4G807G7+9mhuC4XG5rKlBBUXTvPU\n\tAfYnB4JBDLmLzBFavQfvonSfbitgXwCG3vS+9HEwAjU30Bar1PEOmIbiAoMzuKeRm2LVpmq4\n\tWZw01QYHU/GUV/zHJSFk","Organization":"Ideas on Board","Message-ID":"<65ac3010-0e71-44f3-bf9c-5963cd11f08d@ideasonboard.com>","Date":"Fri, 13 Nov 2020 10:06:40 +0000","User-Agent":"Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101\n\tThunderbird/68.10.0","MIME-Version":"1.0","In-Reply-To":"<20201113063815.10288-5-laurent.pinchart@ideasonboard.com>","Content-Language":"en-GB","Subject":"Re: [libcamera-devel] [PATCH v1 4/5] cam: event_loop: Add deferred\n\tcalls support","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","Reply-To":"kieran.bingham@ideasonboard.com","Content-Type":"text/plain; charset=\"us-ascii\"","Content-Transfer-Encoding":"7bit","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" "}},{"id":13706,"web_url":"https://patchwork.libcamera.org/comment/13706/","msgid":"<20201113103634.GH1603296@oden.dyn.berto.se>","date":"2020-11-13T10:36:34","subject":"Re: [libcamera-devel] [PATCH v1 4/5] cam: event_loop: Add deferred\n\tcalls support","submitter":{"id":5,"url":"https://patchwork.libcamera.org/api/people/5/","name":"Niklas Söderlund","email":"niklas.soderlund@ragnatech.se"},"content":"Hi Laurent,\n\nThanks for your educational material.\n\nOn 2020-11-13 08:38:14 +0200, Laurent Pinchart wrote:\n> Add a deferred cals queue to the EventLoop class to support queuing\n> calls from a different thread and processing them in the event loop's\n> thread.\n> \n> Signed-off-by: Laurent Pinchart \n\nThe concept of std::function<> and std::bind() was new to me but works \nreal neat!\n\nReviewed-by: Niklas Söderlund \n\n> ---\n> src/cam/event_loop.cpp | 29 ++++++++++++++++++++++++++++-\n> src/cam/event_loop.h | 9 +++++++++\n> 2 files changed, 37 insertions(+), 1 deletion(-)\n> \n> diff --git a/src/cam/event_loop.cpp b/src/cam/event_loop.cpp\n> index 13f2583da0a1..94c5d1d36245 100644\n> --- a/src/cam/event_loop.cpp\n> +++ b/src/cam/event_loop.cpp\n> @@ -40,8 +40,10 @@ int EventLoop::exec()\n> \texitCode_ = -1;\n> \texit_.store(false, std::memory_order_release);\n> \n> -\twhile (!exit_.load(std::memory_order_acquire))\n> +\twhile (!exit_.load(std::memory_order_acquire)) {\n> +\t\tdispatchCalls();\n> \t\tevent_base_loop(event_, EVLOOP_NO_EXIT_ON_EMPTY);\n> +\t}\n> \n> \treturn exitCode_;\n> }\n> @@ -57,3 +59,28 @@ void EventLoop::interrupt()\n> {\n> \tevent_base_loopbreak(event_);\n> }\n> +\n> +void EventLoop::callLater(const std::function &func)\n> +{\n> +\t{\n> +\t\tstd::unique_lock locker(lock_);\n> +\t\tcalls_.push_back(func);\n> +\t}\n> +\n> +\tinterrupt();\n> +}\n> +\n> +void EventLoop::dispatchCalls()\n> +{\n> +\tstd::unique_lock locker(lock_);\n> +\n> +\tfor (auto iter = calls_.begin(); iter != calls_.end(); ) {\n> +\t\tstd::function call = std::move(*iter);\n> +\n> +\t\titer = calls_.erase(iter);\n> +\n> +\t\tlocker.unlock();\n> +\t\tcall();\n> +\t\tlocker.lock();\n> +\t}\n> +}\n> diff --git a/src/cam/event_loop.h b/src/cam/event_loop.h\n> index b1c6bd103080..408073c50594 100644\n> --- a/src/cam/event_loop.h\n> +++ b/src/cam/event_loop.h\n> @@ -8,6 +8,9 @@\n> #define __CAM_EVENT_LOOP_H__\n> \n> #include \n> +#include \n> +#include \n> +#include \n> \n> struct event_base;\n> \n> @@ -22,6 +25,8 @@ public:\n> \tint exec();\n> \tvoid exit(int code = 0);\n> \n> +\tvoid callLater(const std::function &func);\n> +\n> private:\n> \tstatic EventLoop *instance_;\n> \n> @@ -29,7 +34,11 @@ private:\n> \tstd::atomic exit_;\n> \tint exitCode_;\n> \n> +\tstd::list> calls_;\n> +\tstd::mutex lock_;\n> +\n> \tvoid interrupt();\n> +\tvoid dispatchCalls();\n> };\n> \n> #endif /* __CAM_EVENT_LOOP_H__ */\n> -- \n> Regards,\n> \n> Laurent Pinchart\n> \n> _______________________________________________\n> libcamera-devel mailing list\n> libcamera-devel@lists.libcamera.org\n> https://lists.libcamera.org/listinfo/libcamera-devel","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 9CD31BE082\n\tfor ;\n\tFri, 13 Nov 2020 10:36:37 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 2C231631BD;\n\tFri, 13 Nov 2020 11:36:37 +0100 (CET)","from mail-lf1-x142.google.com (mail-lf1-x142.google.com\n\t[IPv6:2a00:1450:4864:20::142])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 67524631B8\n\tfor ;\n\tFri, 13 Nov 2020 11:36:36 +0100 (CET)","by mail-lf1-x142.google.com with SMTP id j205so13098530lfj.6\n\tfor ;\n\tFri, 13 Nov 2020 02:36:36 -0800 (PST)","from localhost (h-209-203.A463.priv.bahnhof.se. [155.4.209.203])\n\tby smtp.gmail.com with ESMTPSA id\n\tr80sm1502983lff.77.2020.11.13.02.36.34\n\t(version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n\tFri, 13 Nov 2020 02:36:35 -0800 (PST)"],"Authentication-Results":"lancelot.ideasonboard.com;\n\tdkim=fail reason=\"signature verification failed\" (2048-bit key;\n\tunprotected) header.d=ragnatech-se.20150623.gappssmtp.com\n\theader.i=@ragnatech-se.20150623.gappssmtp.com\n\theader.b=\"zUIkjn5N\"; dkim-atps=neutral","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=ragnatech-se.20150623.gappssmtp.com; s=20150623;\n\th=date:from:to:cc:subject:message-id:references:mime-version\n\t:content-disposition:content-transfer-encoding:in-reply-to;\n\tbh=5nNeA+3LoGrQP8JM6F4WacZSl4R9D62rzImGQ7SdXbo=;\n\tb=zUIkjn5NXWRv2XEEQqArhwg+zOg2MnP+l9kT/jXxKegIF/DugQ8Bt3eoM8fwtZuZ+8\n\tZUYkoO6HCBZKbAVW6aC3O0VCvitqqB162+nS3wObiFjHN/ccI6ZACUk5oByacb0S8RN3\n\tWazldjkU/kDnaNUaT2E+StdlrKgD1etHB5JLJSASRQ6G08KTuJACPqNRZH7wAzXvwVCu\n\tSLrhy0eJTW1VQap2VEC4TNU6PgDJD+mw+667LlLrB1/+Z0sB6ocEwH8O2R4WXuOz4pi9\n\tvBsDLKMumr++XuBCR4Y0U/J+hIxsLoZLIMzblzDct9f7XSWdjYn40IrFX6WVsEILmyFn\n\temLg==","X-Google-DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=1e100.net; s=20161025;\n\th=x-gm-message-state:date:from:to:cc:subject:message-id:references\n\t:mime-version:content-disposition:content-transfer-encoding\n\t:in-reply-to;\n\tbh=5nNeA+3LoGrQP8JM6F4WacZSl4R9D62rzImGQ7SdXbo=;\n\tb=Iv7xdLx/U66JUvFHontDJqU+OB1PM0G8aoDJVAUwJyPwCdbLkqFfSDis8ArfnWmyLT\n\tTvkTe5x3j0lShwJAYZfr+jgSJ34XgExUfsfYv/gWNM02VxHuJtgECXOKBvHW0E/uUHcA\n\tdde2M3EhngSXIk/TQ8FKQxxa2+Sel2SHmPxB/3gE8cauUn/8yEQPY3DX0xXfkTvRBNBD\n\tnG1yDKwbHPpcPh6C3SGYh3eM4xYXMGvVBnXKHVUn6BZcE29vNardDHtnE0tpQEBzSc38\n\t8eXjQwmpjaN6k8NZo90m1pItdIf/Ffe58/FrGxy8l6auIkudnd/gnrBQkbnmmPg8GazX\n\t0AnA==","X-Gm-Message-State":"AOAM532fQ25zf7sNWtzqH2t0O/dtmQd/upRGEvvHoO2lMxmnk0QP6yyx\n\tGZmXlomCwxhz4ZnGt55eVNfvsQ==","X-Google-Smtp-Source":"ABdhPJysgQqH2MuX4TCsoZt3XL19/QIQIksb12l118xmjlailm+Y/iYcgEq4h4YK6sFx2TRxq53XZA==","X-Received":"by 2002:a19:c609:: with SMTP id w9mr659150lff.297.1605263795768; \n\tFri, 13 Nov 2020 02:36:35 -0800 (PST)","Date":"Fri, 13 Nov 2020 11:36:34 +0100","From":"Niklas =?iso-8859-1?q?S=F6derlund?= ","To":"Laurent Pinchart ","Message-ID":"<20201113103634.GH1603296@oden.dyn.berto.se>","References":"<20201113063815.10288-1-laurent.pinchart@ideasonboard.com>\n\t<20201113063815.10288-5-laurent.pinchart@ideasonboard.com>","MIME-Version":"1.0","Content-Disposition":"inline","In-Reply-To":"<20201113063815.10288-5-laurent.pinchart@ideasonboard.com>","Subject":"Re: [libcamera-devel] [PATCH v1 4/5] cam: event_loop: Add deferred\n\tcalls support","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","Cc":"libcamera-devel@lists.libcamera.org","Content-Type":"text/plain; charset=\"iso-8859-1\"","Content-Transfer-Encoding":"quoted-printable","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" "}}]