1*2c2f96dcSApple OSS Distributions<h2>default_pager_backing_store_create</h2> 2*2c2f96dcSApple OSS Distributions<hr> 3*2c2f96dcSApple OSS Distributions<p> 4*2c2f96dcSApple OSS Distributions<strong>Server Interface</strong> - Create a backing storage object. 5*2c2f96dcSApple OSS Distributions<h3>SYNOPSIS</h3> 6*2c2f96dcSApple OSS Distributions<pre> 7*2c2f96dcSApple OSS Distributions<strong>#include< mach/default_pager_object.h></strong> 8*2c2f96dcSApple OSS Distributions 9*2c2f96dcSApple OSS Distributions<strong>kern_return_t default_pager_backing_store_create</strong> 10*2c2f96dcSApple OSS Distributions <strong>(mach_port_t</strong> <var>pager</var>, 11*2c2f96dcSApple OSS Distributions <strong>int</strong> <var>priority</var>, 12*2c2f96dcSApple OSS Distributions <strong>int</strong> <var>clsize</var>, 13*2c2f96dcSApple OSS Distributions <strong>mach_port_t</strong> <var>backing_store</var><strong>);</strong> 14*2c2f96dcSApple OSS Distributions</pre> 15*2c2f96dcSApple OSS Distributions<h3>PARAMETERS</h3> 16*2c2f96dcSApple OSS Distributions<dl> 17*2c2f96dcSApple OSS Distributions<p> 18*2c2f96dcSApple OSS Distributions<dt> <var>pager</var> 19*2c2f96dcSApple OSS Distributions<dd> 20*2c2f96dcSApple OSS Distributions[in default pager (receive) right] The default pager service port. 21*2c2f96dcSApple OSS Distributions<p> 22*2c2f96dcSApple OSS Distributions<dt> <var>priority</var> 23*2c2f96dcSApple OSS Distributions<dd> 24*2c2f96dcSApple OSS Distributions[in scalar] The scheduling priority for the backing store service 25*2c2f96dcSApple OSS Distributionsthread(s). 26*2c2f96dcSApple OSS Distributions<p> 27*2c2f96dcSApple OSS Distributions<dt> <var>clsize</var> 28*2c2f96dcSApple OSS Distributions<dd> 29*2c2f96dcSApple OSS Distributions[in scalar] The preferred cluster size (in bytes) for the backing 30*2c2f96dcSApple OSS Distributionsstore object. 31*2c2f96dcSApple OSS Distributions<p> 32*2c2f96dcSApple OSS Distributions<dt> <var>backing_store</var> 33*2c2f96dcSApple OSS Distributions<dd> 34*2c2f96dcSApple OSS Distributions[out backing store (receive) right] The port used to manipulate the 35*2c2f96dcSApple OSS Distributionscreated backing store. 36*2c2f96dcSApple OSS Distributions</dl> 37*2c2f96dcSApple OSS Distributions<h3>DESCRIPTION</h3> 38*2c2f96dcSApple OSS Distributions<p> 39*2c2f96dcSApple OSS DistributionsThe <strong>default_pager_backing_store_create</strong> function is called to create a 40*2c2f96dcSApple OSS Distributionsnew backing storage object. The kernel does not make this call itself 41*2c2f96dcSApple OSS Distributions(which is why it can be a synchronous call); this request is only 42*2c2f96dcSApple OSS Distributionsissued by tasks (privileged) holding the default pager service port. 43*2c2f96dcSApple OSS Distributions<h3>RETURN VALUES</h3> 44*2c2f96dcSApple OSS Distributions<dl> 45*2c2f96dcSApple OSS Distributions<p> 46*2c2f96dcSApple OSS Distributions<dt> <strong>KERN_FAILURE</strong> 47*2c2f96dcSApple OSS Distributions<dd> 48*2c2f96dcSApple OSS DistributionsThe default pager does not support this operation. 49*2c2f96dcSApple OSS Distributions<p> 50*2c2f96dcSApple OSS Distributions<dt> <strong>KERN_INVALID_ARGUMENT</strong> 51*2c2f96dcSApple OSS Distributions<dd> 52*2c2f96dcSApple OSS DistributionsThe pager port does not represent a valid default pager. 53*2c2f96dcSApple OSS Distributions<p> 54*2c2f96dcSApple OSS Distributions<dt> <strong>KERN_SUCCESS</strong> 55*2c2f96dcSApple OSS Distributions<dd> 56*2c2f96dcSApple OSS DistributionsThe operation was successful. 57*2c2f96dcSApple OSS Distributions</dl> 58*2c2f96dcSApple OSS Distributions<h3>RELATED INFORMATION</h3> 59*2c2f96dcSApple OSS Distributions<p> 60*2c2f96dcSApple OSS DistributionsFunctions: 61*2c2f96dcSApple OSS Distributions<a href="DP_backing_store_delete.html"><strong>default_pager_backing_store_delete</strong></a>, 62*2c2f96dcSApple OSS Distributions<a href="DP_backing_store_info.html"><strong>default_pager_backing_store_info</strong></a>. 63