libcamera/vivid.git - libcamera pipeline handler for VIVID

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/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
 * Copyright (C) 2021, Google Inc.
 *
 * unique_fd.cpp - File descriptor wrapper that owns a file descriptor
 */

#include <libcamera/base/unique_fd.h>

#include <unistd.h>
#include <utility>

#include <libcamera/base/log.h>

/**
 * \file base/unique_fd.h
 * \brief File descriptor wrapper that owns a file descriptor
 */

namespace libcamera {

LOG_DEFINE_CATEGORY(UniqueFD)

/**
 * \class UniqueFD
 * \brief unique_ptr-like wrapper for a file descriptor
 *
 * The UniqueFD is a wrapper that owns and manages the lifetime of a file
 * descriptor. It is constructed from a numerical file descriptor, and takes
 * over its ownership. The file descriptor is closed when the UniqueFD is
 * destroyed, or when it is assigned another file descriptor with operator=()
 * or reset().
 */

/**
 * \fn UniqueFD::UniqueFD()
 * \brief Construct a UniqueFD that owns no file descriptor
 */

/**
 * \fn UniqueFD::UniqueFD(int fd)


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