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path: root/utils/update-mojo.sh
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#!/bin/sh

# SPDX-License-Identifier: GPL-2.0-or-later
# Update mojo copy from a chromium source tree

if [ $# != 1 ] ; then
	echo "Usage: $0 <chromium dir>"
	exit 1
fi

ipc_dir="$(dirname "$(realpath "$0")")/ipc"
chromium_dir="$1"

if [ ! -d "${chromium_dir}/mojo" ] ; then
	echo "Directory ${chromium_dir} doesn't contain mojo"
	exit 1
fi

if [ ! -d "${chromium_dir}/.git" ] ; then
	echo "Directory ${chromium_dir} doesn't contain a git tree"
	exit 1
fi

# Get the chromium commit id
version=$(git -C "${chromium_dir}" rev-parse --short HEAD)

# Reject dirty trees
if [ -n "$(git -C "${chromium_dir}" status --porcelain)" ] ; then
	echo "Chromium tree in ${chromium_dir} is dirty"
	exit 1
fi

# Copy the diagnosis file
cp "${chromium_dir}/tools/diagnosis/crbug_1001171.py" "${ipc_dir}/tools/diagnosis"

# Copy the rest of mojo
cp "${chromium_dir}/mojo/public/LICENSE" "${ipc_dir}/mojo/public"

rm -rf "${ipc_dir}/mojo/public/tools/*"

(
	cd "${chromium_dir}" || exit
	find ./mojo/public/tools -type f \
	     -not -path "*/generators/*" \
	     -not -path "*/fuzzers/*" \
	     -exec cp --parents "{}" "${ipc_dir}" ";"
)

# Update the README files
readme=$(cat <<EOF
# SPDX-License-Identifier: CC0-1.0

Files in this directory are imported from ${version} of Chromium. Do not
modify them manually.
EOF
)

echo "$readme" > "${ipc_dir}/mojo/README"
echo "$readme" > "${ipc_dir}/tools/README"

cat <<EOF
------------------------------------------------------------
mojo updated. Please review and up-port local changes before
committing.
------------------------------------------------------------
EOF
pan class="hl kwb">int vidioc_querycap(V4L2CameraFile *file, struct v4l2_capability *arg); int vidioc_enum_framesizes(V4L2CameraFile *file, struct v4l2_frmsizeenum *arg); int vidioc_enum_fmt(V4L2CameraFile *file, struct v4l2_fmtdesc *arg); int vidioc_g_fmt(V4L2CameraFile *file, struct v4l2_format *arg); int vidioc_s_fmt(V4L2CameraFile *file, struct v4l2_format *arg); int vidioc_try_fmt(V4L2CameraFile *file, struct v4l2_format *arg); int vidioc_g_priority(V4L2CameraFile *file, enum v4l2_priority *arg); int vidioc_s_priority(V4L2CameraFile *file, enum v4l2_priority *arg); int vidioc_enuminput(V4L2CameraFile *file, struct v4l2_input *arg); int vidioc_g_input(V4L2CameraFile *file, int *arg); int vidioc_s_input(V4L2CameraFile *file, int *arg); int vidioc_reqbufs(V4L2CameraFile *file, struct v4l2_requestbuffers *arg); int vidioc_querybuf(V4L2CameraFile *file, struct v4l2_buffer *arg); int vidioc_prepare_buf(V4L2CameraFile *file, struct v4l2_buffer *arg); int vidioc_qbuf(V4L2CameraFile *file, struct v4l2_buffer *arg); int vidioc_dqbuf(V4L2CameraFile *file, struct v4l2_buffer *arg, libcamera::Mutex *lock) LIBCAMERA_TSA_REQUIRES(*lock); int vidioc_expbuf(V4L2CameraFile *file, struct v4l2_exportbuffer *arg); int vidioc_streamon(V4L2CameraFile *file, int *arg); int vidioc_streamoff(V4L2CameraFile *file, int *arg); int vidioc_g_parm(V4L2CameraFile *file, struct v4l2_streamparm *arg); int vidioc_s_parm(V4L2CameraFile *file, struct v4l2_streamparm *arg); bool hasOwnership(V4L2CameraFile *file); int acquire(V4L2CameraFile *file); void release(V4L2CameraFile *file); static const std::set<unsigned long> supportedIoctls_; unsigned int refcount_; unsigned int index_; libcamera::StreamConfiguration streamConfig_; unsigned int bufferCount_; unsigned int currentBuf_; unsigned int sizeimage_; struct v4l2_capability capabilities_; struct v4l2_pix_format v4l2PixFormat_; struct v4l2_fract v4l2TimePerFrame_; std::vector<struct v4l2_buffer> buffers_; std::map<void *, unsigned int> mmaps_; std::set<V4L2CameraFile *> files_; std::unique_ptr<V4L2Camera> vcam_; /* * This is the exclusive owner of this V4L2CameraProxy instance. * When there is no owner, anybody can call any ioctl before reqbufs. * The first file to call reqbufs with count > 0 or s_fmt will become * the owner, and when the owner calls reqbufs with count = 0 it will * release ownership. Any buffer-related ioctl (except querybuf) or * s_fmt that is called by a non-owner while there exists an owner * will return -EBUSY. */ V4L2CameraFile *owner_; /* This mutex is to serialize access to the proxy. */ libcamera::Mutex proxyMutex_; };