Kieran Tully wrote:
> Is there a standard way to impose a time limit on a child process, and
> terminate it when the limit is reached?
>> I have a BASH script which ssh'es into multiple systems.
> One unreliable remote system sometimes causes ssh to block for hours.
> If ssh has been running for more than 15 minutes, I'd like to kill it
> and move on to the next system.
>> Googling reveals rlimit and ulimt -t, but that only limits CPU time
> consumed, whereas I want a hard limit on real world time. The only ssh
> options I can find apply to connect()time, and I don't believe that's
> the problem here.
I guess you could do it with trap?
#!/bin/sh
trap exit 17
sleep 900&
potentially_long_command
Pádraig.
Maintained by the ILUG website team. The aim of Linux.ie is to
support and help commercial and private users of Linux in Ireland. You can
display ILUG news in your own webpages, read backend
information to find out how. Networking services kindly provided by HEAnet, server kindly donated by
Dell. Linux is a trademark of Linus Torvalds,
used with permission. No penguins were harmed in the production or maintenance
of this highly praised website. Looking for the
Indian Linux Users' Group? Try here. If you've read all this and aren't a lawyer: you should be!