Lisp_Object mark;
/* Symbol indicating status of process.
- This may be a symbol: run, open, or closed.
+ This may be a symbol: run, open, closed, listen, or failed.
+ Or it may be a pair (connect . ADDRINFOS) where ADDRINFOS is
+ a list of remaining (PROTOCOL . ADDRINFO) pairs to try.
+ Or it may be (failed ERR) where ERR is an integer, string or symbol.
Or it may be a list, whose car is stop, exit or signal
and whose cdr is a pair (EXIT_CODE . COREDUMP_FLAG)
or (SIGNAL_NUMBER . COREDUMP_FLAG). */