comparison data/fileio/MatrixFile.cpp @ 236:3e6fee4e4257

* remove some debug and some obsolete moc file includes

     if (newFile) {
         resize(0, 0); // write header
     } else {
         size_t header[2];
         if (::read(m_fd, header, 2 * sizeof(size_t)) < 0) {
-            perror("Read failed");
+            ::perror("MatrixFile::MatrixFile: read failed");
             std::cerr << "ERROR: MatrixFile::MatrixFile: "
                       << "Failed to read header (fd " << m_fd << ", file \""
                       << fileName.toStdString() << "\")" << std::endl;
             throw FileReadFailed(fileName);
         }

 
     m_fdMutex.unlock();
     
     if (r < 0) {
         ::perror("MatrixFile::getColumnAt: read failed");
+        std::cerr << "ERROR: MatrixFile::getColumnAt: "
+                  << "Failed to read column " << x << " (height " << m_height << ", cell size " << m_cellSize << ", fd " << m_fd << ", file \""
+                  << m_fileName.toStdString() << "\")" << std::endl;
         throw FileReadFailed(m_fileName);
     }
 
     return;
 }