Sporadically when I open a large file in emacs it will hang forever, except the GUI will remain responsive! I can move my mouse between frames and the cursor will fill in, hovering over files in dired mode still highlights them, etc. but clicking doesn't cause any action to actually be performed. Ideally of course whatever bug is in emacs will get fixed eventually, but for now, is there anyway I can interrupt emacs loading the file, or change my .emacs to make it interruptible? Ctrl+G doesn't work.
Clarification: I'm trying not to lose my work -- so I mean interrupt emacs without killing it, as in, have it return to just how it was before I tried opening the file.