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@node ntp-wait Invocation
@section Invoking ntp-wait
@pindex ntp-wait
@cindex Wait for ntpd to stabilize the system clock
@ignore
#
# EDIT THIS FILE WITH CAUTION (invoke-ntp-wait.texi)
#
# It has been AutoGen-ed June 2, 2016 at 07:24:39 AM by AutoGen 5.18.5
# From the definitions ntp-wait-opts.def
# and the template file agtexi-cmd.tpl
@end ignore
@code{ntp-wait}
will send at most
@kbd{num-tries}
queries to
@code{ntpd(8)},
sleeping for
@kbd{secs-between-tries}
after each status return that says
@code{ntpd(8)}
has not yet produced a synchronized and stable system clock.
@code{ntp-wait}
will do this quietly, unless the
@code{-v}
flag is provided.
This can be useful at boot time, to delay the boot sequence until after
@kbd{ntpd} @kbd{-g}
has set the time.
This section was generated by @strong{AutoGen},
using the @code{agtexi-cmd} template and the option descriptions for the @code{ntp-wait} program.
@menu
* ntp-wait usage:: ntp-wait help/usage (@option{--help})
* ntp-wait tries:: tries option (-n)
* ntp-wait sleep:: sleep option (-s)
* ntp-wait verbose:: verbose option (-v)
* ntp-wait exit status:: exit status
* ntp-wait Authors:: Authors
* ntp-wait Notes:: Notes
@end menu
@node ntp-wait usage
@subsection ntp-wait help/usage (@option{--help})
@cindex ntp-wait help
This is the automatically generated usage text for ntp-wait.
The text printed is the same whether selected with the @code{help} option
(@option{--help}) or the @code{more-help} option (@option{--more-help}). @code{more-help} will print
the usage text by passing it through a pager program.
@code{more-help} is disabled on platforms without a working
@code{fork(2)} function. The @code{PAGER} environment variable is
used to select the program, defaulting to @file{more}. Both will exit
with a status code of 0.
@exampleindent 0
@example
ntp-wait - Wait for ntpd to stabilize the system clock - Ver. 4.2.8p8
USAGE: ntp-wait [ -<flag> [<val>] | --<name>[@{=| @}<val>] ]...
-n, --tries=num Number of times to check ntpd
-s, --sleep=num How long to sleep between tries
-v, --verbose Be verbose
-?, --help Display usage information and exit
--more-help Pass the extended usage text through a pager
Options are specified by doubled hyphens and their name or by a single
hyphen and the flag character.
@end example
@exampleindent 4
@node ntp-wait tries
@subsection tries option (-n)
@cindex ntp-wait-tries
This is the ``number of times to check ntpd'' option.
This option takes a number argument.
The maximum number of times we will check @code{ntpd} to see if
it has been able to synchronize and stabilize the system clock.
@node ntp-wait sleep
@subsection sleep option (-s)
@cindex ntp-wait-sleep
This is the ``how long to sleep between tries'' option.
This option takes a number argument @file{secs-between-tries}.
We will sleep for @file{secs-between-tries} after each query
of @code{ntpd} that returns "the time is not yet stable".
@node ntp-wait verbose
@subsection verbose option (-v)
@cindex ntp-wait-verbose
This is the ``be verbose'' option.
By default, @code{ntp-wait} is silent.
With this option, @code{ntp-wait} will provide status information.
@node ntp-wait exit status
@subsection ntp-wait exit status
One of the following exit values will be returned:
@table @samp
@item 0 (EXIT_SUCCESS)
Successful program execution.
@item 1 (EXIT_FAILURE)
The operation failed or the command syntax was not valid.
@end table
@node ntp-wait Authors
@subsection ntp-wait Authors
@node ntp-wait Notes
@subsection ntp-wait Notes
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