1<h2>memory_object_get_attributes</h2>
2<hr>
3<p>
4<strong>Function</strong> - Return current attributes for a memory object.
5<h3>SYNOPSIS</h3>
6<pre>
7<strong>kern_return_t   memory_object_get_attributes</strong>
8                <strong>(memory_object_control_t</strong>         <var>memory_control</var>,
9                 <strong>memory_object_flavor_t</strong>                  <var>flavor</var>,
10                 <strong>memory_object_info_t</strong>                <var>attributes</var>,
11                 <strong>mach_msg_type_number_t</strong>        <var>attributes_count</var><strong>);</strong>
12</pre>
13<h3>PARAMETERS</h3>
14<dl>
15<p>
16<dt> <var>memory_control</var> 
17<dd>
18[in memory-cache-control send right]
19The memory cache control port 
20to be used by the memory manager for cache management requests. 
21This port is provided by the kernel in a <strong>memory_object_notify</strong> call.
22<p>
23<dt> <var>flavor</var> 
24<dd>
25[in scalar]
26The type of information to be returned.  Valid values are:
27<dl>
28<p>
29<dt> <strong>MEMORY_OBJECT_PERFORMANCE_INFO</strong>
30<dd>
31Performance related attributes such as the cache indicator and 
32the cluster size.  <var>attributes</var> should specify a structure of type 
33<strong>memory_object_perf_info</strong>.
34<p>
35<dt> <strong>MEMORY_OBJECT_BEHAVIOR_INFO</strong>
36<dd>
37Behavior related attributes such as the copy strategy and sync 
38invalidate flag.  <var>attributes</var> should specify a structure of type 
39<strong>memory_object_behavior_info</strong>.
40     <dt> <strong>MEMORY_OBJECT_ATTRIBUTES_INFO</strong>
41<dd>
42Behavior and performance related attributes such as the copy strategy,
43cache indicator, and cluster size.  <var>attributes</var> should specify a structure of type 
44<strong>memory_object_attr_info</strong>.
45</dl>
46<p>
47<dt> <var>attributes</var> 
48<dd>
49[out structure]
50Current attributes.
51<p>
52<dt> <var>attributes_count</var> 
53<dd>
54[in/out scalar]
55On input, the maximum size of the buffer; on output, the 
56size returned (in natural-sized units).
57</dl>
58<h3>DESCRIPTION</h3>
59<p>
60The <strong>memory_object_get_attributes</strong> function retrieves
61the current attributes for 
62the specified memory object.
63<h3>RETURN VALUES</h3>
64<p>
65Only generic errors apply.
66<h3>RELATED INFORMATION</h3>
67<p>
68Functions:
69<a href="MO_change_attributes.html"><strong>memory_object_change_attributes</strong></a>.
70<p>
71Data Structures:
72<a href="memory_object_perf_info.html"><strong>memory_object_perf_info</strong></a>,
73<a href="memory_object_attr_info.html"><strong>memory_object_attr_info</strong></a>.
74