filedescriptor.h

Go to the documentation of this file.

// SPDX-License-Identifier: LGPL-3.0-or-later OR BSD-3-Clause
/***************************************************************************
 *   Copyright (C) 2009,2010 by Rick L. Vinyard, Jr.                       *
 *   rvinyard@cs.nmsu.edu                                                  *
 *   Copyright (C) 2014- by Robert Middleton                               *
 *                                                                         *
 *   This file is part of the dbus-cxx library.                            *
 ***************************************************************************/
 
#ifndef DBUS_CXX_FILEDESCRIPTOR
#define DBUS_CXX_FILEDESCRIPTOR
 
#include <memory>
 
namespace DBus {
 
class FileDescriptor {
protected:
    FileDescriptor() :
        m_valid( false ),
        m_fd( -1 ) {}
 
    explicit FileDescriptor( int fd ) :
        m_valid( true ),
        m_fd( fd ) {}
 
    explicit FileDescriptor( const FileDescriptor& other ) :
        m_valid( other.m_valid ),
        m_fd( other.m_fd ) {}
 
public:
    static std::shared_ptr<FileDescriptor> create( int fd ) {
        std::shared_ptr<FileDescriptor> p( new FileDescriptor( fd ) );
        return p;
    }
 
    ~FileDescriptor() {}
 
    int descriptor() const {
        return m_fd;
    }
 
    operator bool() const {
        return m_valid;
    }
 
private:
    bool m_valid;
    int m_fd;
};
 
}
 
#endif