On 03/27/2013 07:53 PM, Todd Lyons wrote:
> #12 0x0000000000487edb in smtp_notquit_exit ()
> #13 0x0000000000474b87 in receive_bomb_out ()
> #14 0x0000000000474bdf in ?? ()
> #15 <signal handler called>
> #16 0x00007f2fb03a4bd8 in *__GI___poll (fds=0x7fff2f62b540, nfds=1,
> timeout=<value optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:83
> #17 0x00007f2fb1d7f8de in send_dg (statp=0x7f2fb0640300, buf=<value
> optimized out>, buflen=<value optimized out>, buf2=0x0, buflen2=<value
> optimized out>,
> ans=0x7fff2f62c110 "?큂", anssiz=1024, ansp=0x7fff2f62c970, ansp2=0x0,
> nansp2=0x0, resplen2=0x0) at res_send.c:1062
> #18 __libc_res_nsend (statp=0x7f2fb0640300, buf=<value optimized out>,
> buflen=<value optimized out>, buf2=0x0, buflen2=<value optimized out>,
> ans=0x7fff2f62c110 "?큂",
> anssiz=1024, ansp=0x7fff2f62c970, ansp2=0x0, nansp2=0x0, resplen2=0x0)
> at res_send.c:553
> #19 0x00007f2fb1d7da95 in *__GI___libc_res_nquery
> (statp=0x7f2fb0640300, name=<value optimized out>, class=<value
> optimized out>, type=<value optimized out>,
> Thoughts? Am I missing a bigger picture?
Traditionally (and I'm talking about the 1980's here) about the *only*
thing one could portably do in a signal-handler was to set an int-sized
flag and return. Things may have progressed a little since then but
attempting a dns-lookup does seem a trifle unwise...
--
Cheers,
Jeremy
