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dbus-1-tqt/tqdbusunixfd.cpp

96 lines
2.2 KiB

/* tqdbusunixfd.cpp DBUS unix file handle data type
*
* Copyright (C) 2013 Slávek Banko <slavek.banko@axis.cz>
*
* Licensed under the Academic Free License version 2.1
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*
*/
#include <unistd.h>
#include "tqdbusunixfd.h"
TQT_DBusUnixFd::TQT_DBusUnixFd() : d(new TQT_DBusUnixFdPrivate())
{
d->ref();
d->fd = -1;
};
TQT_DBusUnixFd::TQT_DBusUnixFd(const TQT_DBusUnixFd& other) : d(other.d)
{
d->ref();
}
TQT_DBusUnixFd::TQT_DBusUnixFd(int other) : d(0)
{
setFileDescriptor(other);
}
TQT_DBusUnixFd::~TQT_DBusUnixFd()
{
if (d && d->deref() ) {
if ( isValid() ) {
close(d->fd);
}
delete d;
}
}
bool TQT_DBusUnixFd::isValid() const
{
return d ? d->fd != -1 : false;
}
int TQT_DBusUnixFd::fileDescriptor() const
{
return d ? d->fd : -1;
}
void TQT_DBusUnixFd::setFileDescriptor(int fileDescriptor)
{
giveFileDescriptor(fileDescriptor != -1 ? dup(fileDescriptor) : -1);
}
void TQT_DBusUnixFd::giveFileDescriptor(int fileDescriptor)
{
if ( d && d->deref() ) {
if ( isValid() ) {
close(d->fd);
}
}
else {
d = new TQT_DBusUnixFdPrivate;
}
d->ref();
d->fd = fileDescriptor;
}
TQT_DBusUnixFd &TQT_DBusUnixFd::operator=( const TQT_DBusUnixFd &other )
{
if (other.d) {
other.d->ref();
}
if ( d && d->deref() ) {
if ( isValid() ) {
close(d->fd);
}
delete d;
}
d = other.d;
return *this;
}