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  1. Qt
  2. QTBUG-49411

QFileSystemWatcher::removePath return false but remove file successfuly

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    • Icon: Bug Bug
    • Resolution: Unresolved
    • Icon: P2: Important P2: Important
    • None
    • 5.4.2
    • Core: Filesystem watching
    • None
    • Windows

      if you add two or more files to QFileSystemWatcher, and then remove any file it will return false.
      But if you add single file and then remove them - removePath will return true;

      the reazon is here:
      qfilesystemwatcher_win.cpp

      Bar.java
       //create handle
 if (handle.handle != INVALID_HANDLE_VALUE) {
                QWindowsFileSystemWatcherEngineThread::PathInfoHash &h =
                        thread->pathInfoForHandle[handle.handle];
//hash "h" contains all wathed files!!! not only removed file
                if (h.remove(QFileSystemWatcherPathKey(fileInfo.absoluteFilePath()))) {
                    files->removeAll(path);
                    directories->removeAll(path);

                    if (h.isEmpty()) { //Warning: h is not empty! It contain other watched files!
                        DEBUG() << "Closing handle" << handle.handle;
                       ... //do some work

                        it.remove(); //error: we removes iterator only if h no contains other files!!! 
                   }

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            thiago Thiago Macieira
            ctin Konstantin
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              Created:
              Updated:

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