1*c54f35caSApple OSS Distributions<h2>default_pager_backing_store_create</h2> 2*c54f35caSApple OSS Distributions<hr> 3*c54f35caSApple OSS Distributions<p> 4*c54f35caSApple OSS Distributions<strong>Server Interface</strong> - Create a backing storage object. 5*c54f35caSApple OSS Distributions<h3>SYNOPSIS</h3> 6*c54f35caSApple OSS Distributions<pre> 7*c54f35caSApple OSS Distributions<strong>#include< mach/default_pager_object.h></strong> 8*c54f35caSApple OSS Distributions 9*c54f35caSApple OSS Distributions<strong>kern_return_t default_pager_backing_store_create</strong> 10*c54f35caSApple OSS Distributions <strong>(mach_port_t</strong> <var>pager</var>, 11*c54f35caSApple OSS Distributions <strong>int</strong> <var>priority</var>, 12*c54f35caSApple OSS Distributions <strong>int</strong> <var>clsize</var>, 13*c54f35caSApple OSS Distributions <strong>mach_port_t</strong> <var>backing_store</var><strong>);</strong> 14*c54f35caSApple OSS Distributions</pre> 15*c54f35caSApple OSS Distributions<h3>PARAMETERS</h3> 16*c54f35caSApple OSS Distributions<dl> 17*c54f35caSApple OSS Distributions<p> 18*c54f35caSApple OSS Distributions<dt> <var>pager</var> 19*c54f35caSApple OSS Distributions<dd> 20*c54f35caSApple OSS Distributions[in default pager (receive) right] The default pager service port. 21*c54f35caSApple OSS Distributions<p> 22*c54f35caSApple OSS Distributions<dt> <var>priority</var> 23*c54f35caSApple OSS Distributions<dd> 24*c54f35caSApple OSS Distributions[in scalar] The scheduling priority for the backing store service 25*c54f35caSApple OSS Distributionsthread(s). 26*c54f35caSApple OSS Distributions<p> 27*c54f35caSApple OSS Distributions<dt> <var>clsize</var> 28*c54f35caSApple OSS Distributions<dd> 29*c54f35caSApple OSS Distributions[in scalar] The preferred cluster size (in bytes) for the backing 30*c54f35caSApple OSS Distributionsstore object. 31*c54f35caSApple OSS Distributions<p> 32*c54f35caSApple OSS Distributions<dt> <var>backing_store</var> 33*c54f35caSApple OSS Distributions<dd> 34*c54f35caSApple OSS Distributions[out backing store (receive) right] The port used to manipulate the 35*c54f35caSApple OSS Distributionscreated backing store. 36*c54f35caSApple OSS Distributions</dl> 37*c54f35caSApple OSS Distributions<h3>DESCRIPTION</h3> 38*c54f35caSApple OSS Distributions<p> 39*c54f35caSApple OSS DistributionsThe <strong>default_pager_backing_store_create</strong> function is called to create a 40*c54f35caSApple OSS Distributionsnew backing storage object. The kernel does not make this call itself 41*c54f35caSApple OSS Distributions(which is why it can be a synchronous call); this request is only 42*c54f35caSApple OSS Distributionsissued by tasks (privileged) holding the default pager service port. 43*c54f35caSApple OSS Distributions<h3>RETURN VALUES</h3> 44*c54f35caSApple OSS Distributions<dl> 45*c54f35caSApple OSS Distributions<p> 46*c54f35caSApple OSS Distributions<dt> <strong>KERN_FAILURE</strong> 47*c54f35caSApple OSS Distributions<dd> 48*c54f35caSApple OSS DistributionsThe default pager does not support this operation. 49*c54f35caSApple OSS Distributions<p> 50*c54f35caSApple OSS Distributions<dt> <strong>KERN_INVALID_ARGUMENT</strong> 51*c54f35caSApple OSS Distributions<dd> 52*c54f35caSApple OSS DistributionsThe pager port does not represent a valid default pager. 53*c54f35caSApple OSS Distributions<p> 54*c54f35caSApple OSS Distributions<dt> <strong>KERN_SUCCESS</strong> 55*c54f35caSApple OSS Distributions<dd> 56*c54f35caSApple OSS DistributionsThe operation was successful. 57*c54f35caSApple OSS Distributions</dl> 58*c54f35caSApple OSS Distributions<h3>RELATED INFORMATION</h3> 59*c54f35caSApple OSS Distributions<p> 60*c54f35caSApple OSS DistributionsFunctions: 61*c54f35caSApple OSS Distributions<a href="DP_backing_store_delete.html"><strong>default_pager_backing_store_delete</strong></a>, 62*c54f35caSApple OSS Distributions<a href="DP_backing_store_info.html"><strong>default_pager_backing_store_info</strong></a>. 63