Files
external_libcamera/include/libcamera/base/event_notifier.h
Kieran Bingham 0701f756b9 libcamera: base: Convert to pragma once
Remove the verbose #ifndef/#define/#endif pattern for maintaining
header idempotency, and replace it with a simple #pragma once.

This simplifies the headers, and prevents redundant changes when
header files get moved.

Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com>
2021-11-24 12:18:11 +00:00

49 lines
789 B
C++

/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
* Copyright (C) 2019, Google Inc.
*
* event_notifier.h - File descriptor event notifier
*/
#pragma once
#include <libcamera/base/private.h>
#include <libcamera/base/object.h>
#include <libcamera/base/signal.h>
namespace libcamera {
class Message;
class EventNotifier : public Object
{
public:
enum Type {
Read,
Write,
Exception,
};
EventNotifier(int fd, Type type, Object *parent = nullptr);
virtual ~EventNotifier();
Type type() const { return type_; }
int fd() const { return fd_; }
bool enabled() const { return enabled_; }
void setEnabled(bool enable);
Signal<> activated;
protected:
void message(Message *msg) override;
private:
int fd_;
Type type_;
bool enabled_;
};
} /* namespace libcamera */