title: memory leak - application exited with signal 9
body: <p>I have an application which is dealing with many data structures, uiimageviews, videos, creating bit map context and so on. Every time the application is crashing on its continuous usage for a long time. The application is crashing with the memory warning --> Application exited abnormally with signal 9. What may be its reason. What does signal 9 means.</p>