darwin-xnu/osfmk/man/mach_ports_lookup.html
<<
>>
Prefs
   1<h2>mach_ports_lookup</h2>
   2<hr>
   3<p>
   4<strong>Function</strong> - Provide caller with an array of the target task's well-known ports.
   5<h3>SYNOPSIS</h3>
   6<pre>
   7<strong>kern_return_t   mach_ports_lookup</strong>
   8                <strong>(task_t</strong>                             <var>target_task</var>,
   9                 <strong>mach_port_array_t</strong>                <var>init_port_set</var>,
  10                 <strong>mach_msg_type_number_t</strong>         <var>init_port_count</var><strong>);</strong>
  11</pre>
  12<h3>PARAMETERS</h3>
  13<dl>
  14<p>
  15<dt> <var>target_task</var> 
  16<dd>
  17[in task send right]
  18The task whose currently registered ports are to be 
  19returned.
  20<p>
  21<dt> <var>init_port_set</var> 
  22<dd>
  23[out pointer to dynamic array of registered send rights]
  24The returned
  25array of ports.
  26<p>
  27<dt> <var>init_port_count</var> 
  28<dd>
  29[out scalar]
  30The number of returned port rights.
  31</dl>
  32<h3>DESCRIPTION</h3>
  33<p>
  34The <strong>mach_ports_lookup</strong> function returns an array of
  35the well-known system 
  36ports that are currently registered for the specified task. 
  37Note that the task holds 
  38only send rights for the ports.
  39<p>
  40Registered ports are those ports that are used by the run-time
  41system to initialize a task.  To register system ports for a task, 
  42use the <strong>mach_ports_register</strong> function.
  43<h3>RETURN VALUES</h3>
  44<p>
  45Only generic errors apply.
  46<h3>RELATED INFORMATION</h3>
  47<p>
  48Functions:
  49<a href="mach_ports_register.html"><strong>mach_ports_register</strong></a>.
  50
lxr.linux.no kindly hosted by Redpill Linpro AS, provider of Linux consulting and operations services since 1995.