Nestor wrote:
I am running htdig and at some point I try to kill the process
or control-C and the window does not repond. I am using
putty to access a rhel v3.0. I try passing a SIGKILL or SIGTERM
from putty's window menu but also nto able to stop the process
the only way is to kill the window.
Is there anything I can do to make sure that the process is kill
when I do a 'kill -9 processid'
I don't understand what causes it, but I have seen programs that do not
seem to respond to Ctrl-C -- perhaps they are written to explicitly
ignore the SIGINT signal.
In any case, I have sometimes also had to resort to xkill, but I always
try the following first, although I suspect there's not too much
difference in the bottom-line effect (abrupt termination):
1) stop output with Ctrl-S, then sometimes Ctrl-C is responded to
(in this case the program obviously has NOT disabled SIGINT, it's just
not seeing it, for reasons I don't understand)
2) sometimes Ctrl-\ (SIGQUIT) works, but not often.
3) suspend the program with Ctrl-Z (SIGSTOP), then kill %+
(or %1, or, ..)
..jim
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