1<h2>mach_port_qos</h2>
2<hr>
3<p>
4<strong>Structure</strong> - Specifies a port's attributes with respect to "Quality Of Service."
5<h3>SYNOPSIS</h3>
6<pre>
7<strong>typedef struct mach_port_qos</strong>
8        <strong>{</strong>
9               <strong>boolean_t</strong>      <var>name</var><strong>;</strong>
10               <strong>boolean_t</strong>      <var>rt</var><strong>;</strong>
11               <strong>boolean_t</strong>      <var>pad1</var><strong>;</strong>
12               <strong>boolean_t</strong>      <var>pad2</var><strong>;</strong>
13        <strong>} mach_port_qos_t;</strong>
14</pre>
15<h3>FIELDS</h3>
16<dl>
17<dt> <var>name</var>
18<dd>
19     If TRUE, the system will bestow the user-specified name on the newly allocated port.
20     Otherwise, the system will choose the port's name.
21     <p>
22     <dt> <var>rt</var>
23<dd>
24     If TRUE, this field causes a realtime port to be allocated.
25     Otherwise, a regular port will be allocated.
26<p>
27     <dt> <var>pad1</var>
28<dd>
29     A 30 bit padding field.
30<p>
31     <dt> <var>pad2</var>
32<dd>
33A 32 bit padding field; with the <var>pad1</var> field, lengthens the
34     structure to 64 bits.
35</dl>
36<h3>DESCRIPTION</h3>
37<p>
38The <strong>mach_port_qos</strong> structure is used to specify a port's
39"quality of service" attributes when allocating the port via the
40<strong>mach_port_allocate_qos</strong> interface.
41<h3>RELATED INFORMATION</h3>
42<p>
43Functions:
44<a href="mach_port_allocate_qos.html"><strong>mach_port_allocate_qos</strong></a>,
45<a href="mach_port_get_attributes.html"><strong>mach_port_get_attributes</strong></a>,
46<a href="mach_port_set_attributes.html"><strong>mach_port_set_attributes</strong></a>.
47