Re: More info on sporadic OS/X crash

[Eli Zaretskii <eliz@gnu.org>]

> From: Piet van Oostrum <piet@cs.uu.nl>
> Date: 27 Apr 2004 17:24:36 +0200
> 
> However now I have occasional hangs in select(), always when using gnus.
> It could be a server that is not responding, but I am not sure. I attach a
> stack trace below. The hang doesn't get broken with C-g (the well-known
> problem), but sometimes it helps to Ctrl-Z gdb (I am running emacs from
> gdb), and/or hitting Ctrl-C in the gdb terminal window. Continuing then
> resumes normal life but it can take quite some time.
> 
> Program received signal SIGTSTP, Stopped (user).
> 0x9000b308 in select ()
> (gdb) bt
> #0  0x9000b308 in select ()
> #1  0x0012eeac in sys_select (n=126, rfds=0x38e7e4, wfds=0x0, efds=0x0, timeout=0xbfffcb60) at mac.c:2787
> #2  0x00119948 in wait_reading_process_input (time_limit=1, microsecs=0, read_kbd=3506604, do_display=0) at process.c:4311

What is the contents of the struct pointed to by `timeout' in frame #1
above?  Can you tell what GDB prints if you type

	print *timeout

in that frame?

If the contents of that struct are reasonable (i.e. 1 second), is it
possible that Emacs loops infinitely in sys_select, and if so, why?