2010/4/7 Dave Shield <[email protected]>
> 2010/4/7 黎明傲子 <[email protected]>:
> > successful,but if I enter the command line snmpd &,always some date
> appears,
> > like
> > # snmpd -f &
> > 36
> > I want to know why this happened,
>
> The charcter '&' means that you are running this command as a
> "background process". The number that is displayed is the
> "process ID" of this process.
>
> This is a standard mechanism of most Unix shells.
> Any good book on Unix will explain about it.
> It's not particular to the Net-SNMP agent.
>
> > In addition,if I enter the command line
> > # snmpd -c /etc/snmpd.conf -f &
> > 39
> > # ps
> > .......................................................
> > 51 S0 Z 0K 0K 8.3 snmpd
>
> I'm surprised at this output - I'd expect it to display "51"
> instead of "39"
>
I'm not. Although I haven't looked at net-snmpd's daemonizing code,
any application thats going to operate as a (well behaved) daemon
is supposed to perform (at least) 2 fork() calls to 'detatch itself from
the controlling terminal', etc.
Fulko
------------------------------------------------------------------------------
Download Intel® Parallel Studio Eval
Try the new software tools for yourself. Speed compiling, find bugs
proactively, and fine-tune applications for parallel performance.
See why Intel Parallel Studio got high marks during beta.
http://p.sf.net/sfu/intel-sw-dev
_______________________________________________
Net-snmp-users mailing list
[email protected]
Please see the following page to unsubscribe or change other options:
https://lists.sourceforge.net/lists/listinfo/net-snmp-users
