TQT_DBusUnixFd Class Reference

#include <tqdbusunixfd.h>

Collaboration diagram for TQT_DBusUnixFd:

Classes
struct	TQT_DBusUnixFdPrivate

Public Member Functions
	TQT_DBusUnixFd ()
	TQT_DBusUnixFd (const TQT_DBusUnixFd &other)
	TQT_DBusUnixFd (int other)
virtual	~TQT_DBusUnixFd ()
bool	isValid () const
int	fileDescriptor () const
void	setFileDescriptor (int fileDescriptor)
void	giveFileDescriptor (int fileDescriptor)
TQT_DBusUnixFd &	operator= (const TQT_DBusUnixFd &other)
bool	operator== (const TQT_DBusUnixFd &other) const
bool	operator!= (const TQT_DBusUnixFd &other) const

Protected Attributes
TQT_DBusUnixFd::TQT_DBusUnixFdPrivate *	d

Detailed Description

Class for representing D-Bus unix file handles.

This data type is necessary to correctly represent unix file handles in the context of D-Bus messages, since normal strings have a different D-Bus signature than unix file handles.

See also

dbusconventions-unixfd

Definition at line 51 of file tqdbusunixfd.h.

Constructor & Destructor Documentation

TQT_DBusUnixFd() [1/3]

TQT_DBusUnixFd::TQT_DBusUnixFd

(

)

Creates an empty and invalid unix file handle.

Definition at line 27 of file tqdbusunixfd.cpp.

                               : d(new TQT_DBusUnixFdPrivate())
{
    d->ref();
    d->fd = -1;
};

References d.

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TQT_DBusUnixFd() [2/3]

TQT_DBusUnixFd::TQT_DBusUnixFd

(

const TQT_DBusUnixFd &

other

)

Creates copy of the given other unix file handle.

Parameters

other

the unix file handle to copy

Definition at line 33 of file tqdbusunixfd.cpp.

                                                          : d(other.d)
{
    d->ref();
}

References d, and TQT_DBusUnixFd().

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TQT_DBusUnixFd() [3/3]

TQT_DBusUnixFd::TQT_DBusUnixFd

(

int

other

)

Creates copy of the given other unix file handle.

Parameters

other

the unix file handle to copy

Definition at line 38 of file tqdbusunixfd.cpp.

                                        : d(0)
{
    setFileDescriptor(other);
}

References d, and setFileDescriptor().

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~TQT_DBusUnixFd()

TQT_DBusUnixFd::~TQT_DBusUnixFd ( )

virtual

Destroys the unix file handle.

Definition at line 43 of file tqdbusunixfd.cpp.

{
    if (d && d->deref() ) {
        if ( isValid() ) {
            close(d->fd);
        }
        delete d;
    }
}

References d, and isValid().

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Member Function Documentation

fileDescriptor()

int TQT_DBusUnixFd::fileDescriptor

(

)

const

Get unix file handle.

See also

dbusconventions-unixfd

Definition at line 58 of file tqdbusunixfd.cpp.

{
    return d ? d->fd : -1;
}

References d.

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giveFileDescriptor()

void TQT_DBusUnixFd::giveFileDescriptor

(

int

fileDescriptor

)

Give unix file handle.

See also

dbusconventions-unixfd

Definition at line 68 of file tqdbusunixfd.cpp.

{
    if ( d && d->deref() ) {
        if ( isValid() ) {
            close(d->fd);
        }
    }
    else {
        d = new TQT_DBusUnixFdPrivate;
    }
    d->ref();
    d->fd = fileDescriptor;
}

References d, fileDescriptor(), and isValid().

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isValid()

bool TQT_DBusUnixFd::isValid

(

)

const

Returns whether the current content is considered a valid unix file handle.

Returns

true if the object's content describe a valid unix file handle, otherwise false

See also

dbusconventions-unixfd

Definition at line 53 of file tqdbusunixfd.cpp.

{
    return d ? d->fd != -1 : false;
}

References d.

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operator!=()

bool TQT_DBusUnixFd::operator!= ( const TQT_DBusUnixFd & other ) const

inline

Checks if the given other variant is not equal to this one.

Parameters

other

unix file handle to compare with

Returns

true if both use different file handle, otherwise false

Definition at line 137 of file tqdbusunixfd.h.

    {
        return (&other != this) && (other.d != d);
    }

References d, and TQT_DBusUnixFd().

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operator=()

TQT_DBusUnixFd & TQT_DBusUnixFd::operator=

(

const TQT_DBusUnixFd &

other

)

Copy unix file handle from TQT_DBusUnixFd.

See also

dbusconventions-unixfd

Definition at line 82 of file tqdbusunixfd.cpp.

{
    if (other.d) {
        other.d->ref();
    }
    if ( d && d->deref() ) {
        if ( isValid() ) {
            close(d->fd);
        }
        delete d;
    }
    d = other.d;
    return *this;
}

References d, isValid(), and TQT_DBusUnixFd().

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operator==()

bool TQT_DBusUnixFd::operator== ( const TQT_DBusUnixFd & other ) const

inline

Checks if the given other variant is equal to this one.

Parameters

other

unix file handle to compare with

Returns

true if both use same file handle, otherwise false

Definition at line 124 of file tqdbusunixfd.h.

    {
        return (&other == this) || (other.d == d);
    }

References d, and TQT_DBusUnixFd().

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setFileDescriptor()

void TQT_DBusUnixFd::setFileDescriptor

(

int

fileDescriptor

)

Set new unix file handle.

See also

dbusconventions-unixfd

Definition at line 63 of file tqdbusunixfd.cpp.

{
    giveFileDescriptor(fileDescriptor != -1 ? dup(fileDescriptor) : -1);
}

References fileDescriptor(), and giveFileDescriptor().

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Member Data Documentation

d

TQT_DBusUnixFd::TQT_DBusUnixFdPrivate * TQT_DBusUnixFd::d

protected

---

The documentation for this class was generated from the following files:

• tqdbusunixfd.h
• tqdbusunixfd.cpp