Also, you can give time back to your app by doing stuff in small chinks.
For instance, if you need to copy a file, do it your self. Open the source, create the destination, read 1KB, write 1KB, let your loop run once, read 1KB, write 1KB, etc...
For instance, if you need to copy a file, do it your self. Open the source, create the destination, read 1KB, write 1KB, let your loop run once, read 1KB, write 1KB, etc...