osfmk/man/host_adjust_time.html

   1 <h2>host_adjust_time</h2>
   2 <hr>
   3 <p>
   4 <strong>Function</strong> - Gradually change the time.
   5 <h3>SYNOPSIS</h3>
   6 <pre>
   7 <strong>#include&lt mach/mach_host.h&gt</strong>
   8
   9 <strong>kern_return_t   host_adjust_time</strong>
  10                 <strong>(host_priv_t</strong>                          <var>host_priv</var>,
  11                  <strong>time_value_t</strong>                    <var>new_adjustment</var>,
  12                  <strong>time_value_t</strong>                    <var>old_adjustment</var><strong>);</strong>
  13 </pre>
  14 <h3>PARAMETERS</h3>
  15 <dl>
  16 <p>
  17 <dt> <var>host_priv</var>
  18 <dd>
  19 [in host-control port] The control port the host for which the time is to be set.
  20 <p>
  21 <dt> <var>new_adjustment</var>
  22 <dd>
  23 [in structure] New adjustment value.
  24 <p>
  25 <dt> <var>old_adjustment</var>
  26 <dd>
  27 [out structure] Old adjustment value.
  28 </dl>
  29 <h3>DESCRIPTION</h3>
  30 <p>
  31 The <strong>host_adjust_time</strong> function arranges for the time on a specified host to be gradually changed by an adjustment value.
  32 <h3>RETURN VALUES</h3>
  33 <p>
  34 Only generic errors apply.
  35 <h3>RELATED INFORMATION</h3>
  36 <p>
  37 Functions:
  38 <a href="host_get_time.html"><strong>host_get_time</strong></a>,
  39 <a href="host_set_time.html"><strong>host_set_time</strong></a>.
  40 <p>
  41 Data Structures:
  42 time_value.