1*33de042dSApple OSS Distributions<h2>default_pager_backing_store_create</h2> 2*33de042dSApple OSS Distributions<hr> 3*33de042dSApple OSS Distributions<p> 4*33de042dSApple OSS Distributions<strong>Server Interface</strong> - Create a backing storage object. 5*33de042dSApple OSS Distributions<h3>SYNOPSIS</h3> 6*33de042dSApple OSS Distributions<pre> 7*33de042dSApple OSS Distributions<strong>#include< mach/default_pager_object.h></strong> 8*33de042dSApple OSS Distributions 9*33de042dSApple OSS Distributions<strong>kern_return_t default_pager_backing_store_create</strong> 10*33de042dSApple OSS Distributions <strong>(mach_port_t</strong> <var>pager</var>, 11*33de042dSApple OSS Distributions <strong>int</strong> <var>priority</var>, 12*33de042dSApple OSS Distributions <strong>int</strong> <var>clsize</var>, 13*33de042dSApple OSS Distributions <strong>mach_port_t</strong> <var>backing_store</var><strong>);</strong> 14*33de042dSApple OSS Distributions</pre> 15*33de042dSApple OSS Distributions<h3>PARAMETERS</h3> 16*33de042dSApple OSS Distributions<dl> 17*33de042dSApple OSS Distributions<p> 18*33de042dSApple OSS Distributions<dt> <var>pager</var> 19*33de042dSApple OSS Distributions<dd> 20*33de042dSApple OSS Distributions[in default pager (receive) right] The default pager service port. 21*33de042dSApple OSS Distributions<p> 22*33de042dSApple OSS Distributions<dt> <var>priority</var> 23*33de042dSApple OSS Distributions<dd> 24*33de042dSApple OSS Distributions[in scalar] The scheduling priority for the backing store service 25*33de042dSApple OSS Distributionsthread(s). 26*33de042dSApple OSS Distributions<p> 27*33de042dSApple OSS Distributions<dt> <var>clsize</var> 28*33de042dSApple OSS Distributions<dd> 29*33de042dSApple OSS Distributions[in scalar] The preferred cluster size (in bytes) for the backing 30*33de042dSApple OSS Distributionsstore object. 31*33de042dSApple OSS Distributions<p> 32*33de042dSApple OSS Distributions<dt> <var>backing_store</var> 33*33de042dSApple OSS Distributions<dd> 34*33de042dSApple OSS Distributions[out backing store (receive) right] The port used to manipulate the 35*33de042dSApple OSS Distributionscreated backing store. 36*33de042dSApple OSS Distributions</dl> 37*33de042dSApple OSS Distributions<h3>DESCRIPTION</h3> 38*33de042dSApple OSS Distributions<p> 39*33de042dSApple OSS DistributionsThe <strong>default_pager_backing_store_create</strong> function is called to create a 40*33de042dSApple OSS Distributionsnew backing storage object. The kernel does not make this call itself 41*33de042dSApple OSS Distributions(which is why it can be a synchronous call); this request is only 42*33de042dSApple OSS Distributionsissued by tasks (privileged) holding the default pager service port. 43*33de042dSApple OSS Distributions<h3>RETURN VALUES</h3> 44*33de042dSApple OSS Distributions<dl> 45*33de042dSApple OSS Distributions<p> 46*33de042dSApple OSS Distributions<dt> <strong>KERN_FAILURE</strong> 47*33de042dSApple OSS Distributions<dd> 48*33de042dSApple OSS DistributionsThe default pager does not support this operation. 49*33de042dSApple OSS Distributions<p> 50*33de042dSApple OSS Distributions<dt> <strong>KERN_INVALID_ARGUMENT</strong> 51*33de042dSApple OSS Distributions<dd> 52*33de042dSApple OSS DistributionsThe pager port does not represent a valid default pager. 53*33de042dSApple OSS Distributions<p> 54*33de042dSApple OSS Distributions<dt> <strong>KERN_SUCCESS</strong> 55*33de042dSApple OSS Distributions<dd> 56*33de042dSApple OSS DistributionsThe operation was successful. 57*33de042dSApple OSS Distributions</dl> 58*33de042dSApple OSS Distributions<h3>RELATED INFORMATION</h3> 59*33de042dSApple OSS Distributions<p> 60*33de042dSApple OSS DistributionsFunctions: 61*33de042dSApple OSS Distributions<a href="DP_backing_store_delete.html"><strong>default_pager_backing_store_delete</strong></a>, 62*33de042dSApple OSS Distributions<a href="DP_backing_store_info.html"><strong>default_pager_backing_store_info</strong></a>. 63