FileDescriptor.h

/*
 * Copyright (c) 2008-2014, Pedigree Developers
 *
 * Please see the CONTRIB file in the root of the source tree for a full
 * list of contributors.
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#ifndef POSIX_FILEDESCRIPTOR_H
#define POSIX_FILEDESCRIPTOR_H

#include "pedigree/kernel/compiler.h"
#include "pedigree/kernel/processor/types.h"
#include "pedigree/kernel/utilities/SharedPointer.h"
#include "pedigree/kernel/utilities/String.h"

class File;
class LockedFile;
class UnixSocket;
class IoEvent;

class EXPORTED_PUBLIC FileDescriptor
{
  public:
    FileDescriptor();

    FileDescriptor(
        File *newFile, uint64_t newOffset = 0, size_t newFd = 0xFFFFFFFF,
        int fdFlags = 0, int flFlags = 0, LockedFile *lf = 0);

    FileDescriptor(FileDescriptor &desc);

    FileDescriptor(FileDescriptor *desc);

    FileDescriptor &operator=(FileDescriptor &desc);

    virtual ~FileDescriptor();

    void setFlags(int newFlags);

    void addFlag(int newFlag);

    int getFlags() const;

    void setStatusFlags(int newFlags);

    void addStatusFlag(int newFlag);

    int getStatusFlags() const;

    File *file;

    uint64_t offset;

    size_t fd;

    LockedFile *lockedFile;

    SharedPointer<class NetworkSyscalls> networkImpl;

    IoEvent *ioevent;

  public:  
    int fdflags;

    int flflags;
};

#endif