* keyboard.c (pending_funcalls): New var.

* keyboard.c (pending_funcalls): New var.
(timer_check): Run it.
(syms_of_keyboard): Initialize it.
* terminal.c (Qrun_hook_with_args, Qdelete_terminal_functions)
(Vdelete_terminal_functions): New vars.
(syms_of_terminal): Initialize them.
(Fdelete_terminal): Run delete-terminal-functions.
* xdisp.c (safe_eval): Rewrite.
(safe_call2): New fun.
* frame.c (Qdelete_frame_functions): New var.
(syms_of_frame): Initialize it.
(Fdelete_frame): Use it and use safe_call2 and pending_funcalls.
* lisp.h (safe_call2, pending_funcalls): Declare.