libcamera/api-html/fence_8h_source.html

/* SPDX-License-Identifier: LGPL-2.1-or-later */

/*

 * Copyright (C) 2021, Google Inc.

 *

 * Synchronization fence

 */


#pragma once


#include <libcamera/base/class.h>

#include <libcamera/base/unique_fd.h>


namespace libcamera {


class Fence

{

public:

    Fence(UniqueFD fd);


    bool isValid() const { return fd_.isValid(); }

    const UniqueFD &fd() const { return fd_; }


    UniqueFD release() { return std::move(fd_); }


private:

    LIBCAMERA_DISABLE_COPY_AND_MOVE(Fence)


    UniqueFD fd_;

};


} /* namespace libcamera */

libcamera::Fence
Synchronization primitive to manage resources.
Definition fence.h:16

libcamera::Fence::isValid
bool isValid() const
Check if a Fence is valid.
Definition fence.h:20

libcamera::Fence::release
UniqueFD release()
Release the ownership of the file descriptor.
Definition fence.h:23

libcamera::Fence::fd
const UniqueFD & fd() const
Retrieve a constant reference to the file descriptor.
Definition fence.h:21

libcamera::UniqueFD
unique_ptr-like wrapper for a file descriptor
Definition unique_fd.h:18

libcamera::UniqueFD::isValid
bool isValid() const
Check if the UniqueFD owns a valid file descriptor.
Definition unique_fd.h:61

libcamera
Top-level libcamera namespace.
Definition bound_method.h:15

unique_fd.h
File descriptor wrapper that owns a file descriptor.