1*5c2921b0SApple OSS Distributions<h2>default_pager_backing_store_create</h2> 2*5c2921b0SApple OSS Distributions<hr> 3*5c2921b0SApple OSS Distributions<p> 4*5c2921b0SApple OSS Distributions<strong>Server Interface</strong> - Create a backing storage object. 5*5c2921b0SApple OSS Distributions<h3>SYNOPSIS</h3> 6*5c2921b0SApple OSS Distributions<pre> 7*5c2921b0SApple OSS Distributions<strong>#include< mach/default_pager_object.h></strong> 8*5c2921b0SApple OSS Distributions 9*5c2921b0SApple OSS Distributions<strong>kern_return_t default_pager_backing_store_create</strong> 10*5c2921b0SApple OSS Distributions <strong>(mach_port_t</strong> <var>pager</var>, 11*5c2921b0SApple OSS Distributions <strong>int</strong> <var>priority</var>, 12*5c2921b0SApple OSS Distributions <strong>int</strong> <var>clsize</var>, 13*5c2921b0SApple OSS Distributions <strong>mach_port_t</strong> <var>backing_store</var><strong>);</strong> 14*5c2921b0SApple OSS Distributions</pre> 15*5c2921b0SApple OSS Distributions<h3>PARAMETERS</h3> 16*5c2921b0SApple OSS Distributions<dl> 17*5c2921b0SApple OSS Distributions<p> 18*5c2921b0SApple OSS Distributions<dt> <var>pager</var> 19*5c2921b0SApple OSS Distributions<dd> 20*5c2921b0SApple OSS Distributions[in default pager (receive) right] The default pager service port. 21*5c2921b0SApple OSS Distributions<p> 22*5c2921b0SApple OSS Distributions<dt> <var>priority</var> 23*5c2921b0SApple OSS Distributions<dd> 24*5c2921b0SApple OSS Distributions[in scalar] The scheduling priority for the backing store service 25*5c2921b0SApple OSS Distributionsthread(s). 26*5c2921b0SApple OSS Distributions<p> 27*5c2921b0SApple OSS Distributions<dt> <var>clsize</var> 28*5c2921b0SApple OSS Distributions<dd> 29*5c2921b0SApple OSS Distributions[in scalar] The preferred cluster size (in bytes) for the backing 30*5c2921b0SApple OSS Distributionsstore object. 31*5c2921b0SApple OSS Distributions<p> 32*5c2921b0SApple OSS Distributions<dt> <var>backing_store</var> 33*5c2921b0SApple OSS Distributions<dd> 34*5c2921b0SApple OSS Distributions[out backing store (receive) right] The port used to manipulate the 35*5c2921b0SApple OSS Distributionscreated backing store. 36*5c2921b0SApple OSS Distributions</dl> 37*5c2921b0SApple OSS Distributions<h3>DESCRIPTION</h3> 38*5c2921b0SApple OSS Distributions<p> 39*5c2921b0SApple OSS DistributionsThe <strong>default_pager_backing_store_create</strong> function is called to create a 40*5c2921b0SApple OSS Distributionsnew backing storage object. The kernel does not make this call itself 41*5c2921b0SApple OSS Distributions(which is why it can be a synchronous call); this request is only 42*5c2921b0SApple OSS Distributionsissued by tasks (privileged) holding the default pager service port. 43*5c2921b0SApple OSS Distributions<h3>RETURN VALUES</h3> 44*5c2921b0SApple OSS Distributions<dl> 45*5c2921b0SApple OSS Distributions<p> 46*5c2921b0SApple OSS Distributions<dt> <strong>KERN_FAILURE</strong> 47*5c2921b0SApple OSS Distributions<dd> 48*5c2921b0SApple OSS DistributionsThe default pager does not support this operation. 49*5c2921b0SApple OSS Distributions<p> 50*5c2921b0SApple OSS Distributions<dt> <strong>KERN_INVALID_ARGUMENT</strong> 51*5c2921b0SApple OSS Distributions<dd> 52*5c2921b0SApple OSS DistributionsThe pager port does not represent a valid default pager. 53*5c2921b0SApple OSS Distributions<p> 54*5c2921b0SApple OSS Distributions<dt> <strong>KERN_SUCCESS</strong> 55*5c2921b0SApple OSS Distributions<dd> 56*5c2921b0SApple OSS DistributionsThe operation was successful. 57*5c2921b0SApple OSS Distributions</dl> 58*5c2921b0SApple OSS Distributions<h3>RELATED INFORMATION</h3> 59*5c2921b0SApple OSS Distributions<p> 60*5c2921b0SApple OSS DistributionsFunctions: 61*5c2921b0SApple OSS Distributions<a href="DP_backing_store_delete.html"><strong>default_pager_backing_store_delete</strong></a>, 62*5c2921b0SApple OSS Distributions<a href="DP_backing_store_info.html"><strong>default_pager_backing_store_info</strong></a>. 63