/*!
Sets the file descriptor that this QDBusUnixFileDescriptor object holds
to a copy of \a fileDescriptor. The original file descriptor is not
touched and must be closed by the user.
Note that the value returned by fileDescriptor() will be different from
the \a fileDescriptor parameter passed.
If the \a fileDescriptor parameter is not valid, isValid() will return
false and fileDescriptor() will return -1.
\sa isValid(), fileDescriptor()
*/
void QDBusUnixFileDescriptor::setFileDescriptor(int fileDescriptor)
{
if (fileDescriptor != -1)
giveFileDescriptor(qt_safe_dup(fileDescriptor));
}
QStringList QDnotifyFileSystemWatcherEngine::addPaths(const QStringList &paths, QStringList *files, QStringList *directories)
{
QMutexLocker locker(&mutex);
QStringList p = paths;
QMutableListIterator<QString> it(p);
while (it.hasNext()) {
QString path = it.next();
QFileInfo fi(path);
if(!fi.exists()) {
continue;
}
bool isDir = fi.isDir();
if (isDir && directories->contains(path)) {
continue; // Skip monitored directories
} else if(!isDir && files->contains(path)) {
continue; // Skip monitored files
}
if(!isDir)
path = fi.canonicalPath();
// Locate the directory entry (creating if needed)
int fd = pathToFD[path];
if(fd == 0) {
QT_DIR *d = QT_OPENDIR(path.toUtf8().constData());
if(!d) continue; // Could not open directory
QT_DIR *parent = 0;
QDir parentDir(path);
if(!parentDir.isRoot()) {
parentDir.cdUp();
parent = QT_OPENDIR(parentDir.path().toUtf8().constData());
if(!parent) {
QT_CLOSEDIR(d);
continue;
}
}
fd = qt_safe_dup(::dirfd(d));
int parentFd = parent ? qt_safe_dup(::dirfd(parent)) : 0;
QT_CLOSEDIR(d);
if(parent) QT_CLOSEDIR(parent);
Q_ASSERT(fd);
if(::fcntl(fd, F_SETSIG, SIGIO) ||
::fcntl(fd, F_NOTIFY, DN_MODIFY | DN_CREATE | DN_DELETE |
DN_RENAME | DN_ATTRIB | DN_MULTISHOT) ||
(parent && ::fcntl(parentFd, F_SETSIG, SIGIO)) ||
(parent && ::fcntl(parentFd, F_NOTIFY, DN_DELETE | DN_RENAME |
DN_MULTISHOT))) {
continue; // Could not set appropriate flags
}
Directory dir;
dir.path = path;
dir.fd = fd;
dir.parentFd = parentFd;
fdToDirectory.insert(fd, dir);
pathToFD.insert(path, fd);
if(parentFd)
parentToFD.insert(parentFd, fd);
}
Directory &directory = fdToDirectory[fd];
if(isDir) {
directory.isMonitored = true;
} else {
Directory::File file;
file.path = fi.filePath();
file.lastWrite = fi.lastModified();
directory.files.append(file);
pathToFD.insert(fi.filePath(), fd);
}
it.remove();
if(isDir) {
directories->append(path);
} else {
files->append(fi.filePath());
}
}
dnotifySignal()->startNotify();
return p;
}
