Function: frame-live-p
frame-live-p is a function defined in frame.c.
Signature
(frame-live-p OBJECT)
Documentation
Return non-nil if OBJECT is a frame which has not been deleted.
Value is nil if OBJECT is not a live frame. If object is a live
frame, the return value indicates what sort of terminal device it is
displayed on. See the documentation of framep for possible
return values.
Source Code
// Defined in /usr/src/emacs/src/frame.c
{
return ((FRAMEP (object)
&& FRAME_LIVE_P (XFRAME (object)))
? Fframep (object)
: Qnil);
}