1<h2>default_pager_backing_store_create</h2>
2<hr>
3<p>
4<strong>Server Interface</strong> - Create a backing storage object.
5<h3>SYNOPSIS</h3>
6<pre>
7<strong>#include&lt mach/default_pager_object.h&gt</strong>
8
9<strong>kern_return_t   default_pager_backing_store_create</strong>
10                <strong>(mach_port_t</strong>                              <var>pager</var>,
11                 <strong>int</strong>                                   <var>priority</var>,
12                 <strong>int</strong>                                     <var>clsize</var>,
13                 <strong>mach_port_t</strong>                      <var>backing_store</var><strong>);</strong>
14</pre>
15<h3>PARAMETERS</h3>
16<dl>
17<p>
18<dt> <var>pager</var>
19<dd>
20[in default pager (receive) right] The default pager service port.
21<p>
22<dt> <var>priority</var>
23<dd>
24[in scalar] The scheduling priority for the backing store service 
25thread(s).
26<p>
27<dt> <var>clsize</var>
28<dd>
29[in scalar] The preferred cluster size (in bytes) for the backing
30store object.
31<p>
32<dt> <var>backing_store</var>
33<dd>
34[out backing store (receive) right] The port used to manipulate the
35created backing store.
36</dl>
37<h3>DESCRIPTION</h3>
38<p>
39The <strong>default_pager_backing_store_create</strong> function is called to create a
40new backing storage object. The kernel does not make this call itself
41(which is why it can be a synchronous call); this request is only
42issued by tasks (privileged) holding the default pager service port.
43<h3>RETURN VALUES</h3>
44<dl>
45<p>
46<dt> <strong>KERN_FAILURE</strong>
47<dd>
48The default pager does not support this operation.
49<p>
50<dt> <strong>KERN_INVALID_ARGUMENT</strong>
51<dd>
52The pager port does not represent a valid default pager.
53<p>
54<dt> <strong>KERN_SUCCESS</strong>
55<dd>
56The operation was successful.
57</dl>
58<h3>RELATED INFORMATION</h3>
59<p>
60Functions:
61<a href="DP_backing_store_delete.html"><strong>default_pager_backing_store_delete</strong></a>,
62<a href="DP_backing_store_info.html"><strong>default_pager_backing_store_info</strong></a>.
63