Date: Wed, 27 Apr 2022 21:37:19 +0700 From: Eugene Grosbein <eugen@grosbein.net> To: Axel Rau <Axel.Rau@Chaos1.DE>, freebsd-hackers@freebsd.org Subject: Re: rc script to let a service wait for db available Message-ID: <c17abf27-0997-5627-b9c8-98a76d8946a3@grosbein.net> In-Reply-To: <f6201772-d124-a08f-3623-25f1a6190faf@Chaos1.DE> References: <f6201772-d124-a08f-3623-25f1a6190faf@Chaos1.DE>
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27.04.2022 21:30, Axel Rau wrote:
> Hi all,
>
> I have this rc script:
> - - -
> meteoavg_wfphost="dbb3"
> meteoavg_wfpuser="meteo"
> meteoavg_wfpdb="operations"
> #
> #
>
> . /etc/rc.subr
>
> name="meteoavg"
> rcvar=${name}_enable
> command=/usr/local/bin/meteoavg
>
> load_rc_config $name
>
> : ${meteoavg_enable="NO"}
> : ${meteoavg_flags=" -l syslog:daemon -s Chaos1"}
>
> : ${meteoavg_pidfile="/var/run/meteoavg-Chaos1.pid"}
>
> pidfile="${meteoavg_pidfile}"
>
> ##start_cmd="${name}_start"
> stop_precmd="${name}_prestop"
>
> meteoavg_start() {
> /usr/local/bin/wait_for_pgsql.sh ${meteoavg_wfphost} \
> ${meteoavg_wfpuser} ${meteoavg_wfpdb} \
> "/usr/local/bin/${name} ${meteoavg_flags} &"
> }
> - - -
> The rc ignores the '&' and waits for wait_for_pgsql.sh to complete.
>
> How can I let rc continue without waiting?
You need to place '&' outside of double-quotes.
But better use daemon(8) command instead of '&'
because daemon does better job ignoring signals etc.
and that may be important if wait time extends past point when system goes to multiuser mode.
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