osfmk/man/i386_get_ldt.html

   1 <h2>i386_get_ldt</h2>
   2 <hr>
   3 <p>
   4 <strong>Function</strong> - Return per-thread segment descriptors.
   5 <h3>SYNOPSIS</h3>
   6 <pre>
   7 <strong>kern_return_t   i386_get_ldt</strong>
   8                 <strong>(thread_act_t</strong>                        <var>target_act</var>,
   9                  <strong>int</strong>                             <var>first_selector</var>,
  10                  <strong>int</strong>                              <var>desired_count</var>,
  11                  <strong>descriptor_list_t</strong>                    <var>desc_list</var><strong>);</strong>
  12 </pre>
  13 <h3>PARAMETERS</h3>
  14 <dl>
  15 <p>
  16 <dt> <var>target_act</var>
  17 <dd>
  18 [in thread send right]
  19 Thread whose segment descriptors are to be
  20 returned.
  21 <p>
  22 <dt> <var>first_selector</var>
  23 <dd>
  24 [in scalar] Selector value (segment register value) corresponding to the
  25 first segment whose descriptor is to be returned.
  26 <p>
  27 <dt> <var>desired_count</var>
  28 <dd>
  29 [in scalar]
  30 Number of returned descriptors desired.
  31 <p>
  32 <dt> <var>desc_list</var>
  33 <dd>
  34 [out pointer to dynamic array of <strong>descriptor_t</strong>]
  35 Array of segment
  36 descriptors.
  37 </dl>
  38 <h3>DESCRIPTION</h3>
  39 <p>
  40 The <strong>i386_get_ldt</strong> function returns per-thread segment
  41 descriptors from the
  42 thread's local descriptor table (LDT).
  43 <h3>RETURN VALUES</h3>
  44 <p>
  45 Only generic errors apply.
  46 <h3>RELATED INFORMATION</h3>
  47 <p>
  48 Functions:
  49 <a href="i386_set_ldt.html"><strong>i386_set_ldt<strong></a>.