1*0f4c859eSApple OSS Distributions<h2>ledger_create</h2> 2*0f4c859eSApple OSS Distributions<hr> 3*0f4c859eSApple OSS Distributions<p> 4*0f4c859eSApple OSS Distributions<strong>Function</strong> - Create a subordinate ledger. 5*0f4c859eSApple OSS Distributions<h3>SYNOPSIS</h3> 6*0f4c859eSApple OSS Distributions<pre> 7*0f4c859eSApple OSS Distributions<strong>kern_return_t ledger_create</strong> 8*0f4c859eSApple OSS Distributions <strong>(ledger_port_t</strong> <var>parent_ledger</var>, 9*0f4c859eSApple OSS Distributions <strong>ledger_port_t</strong> <var>ledger_ledger</var>, 10*0f4c859eSApple OSS Distributions <strong>ledger_port_t</strong> <var>child_ledger</var>, 11*0f4c859eSApple OSS Distributions <strong>ledger_item_t</strong> <var>transfer</var><strong>);</strong> 12*0f4c859eSApple OSS Distributions</pre> 13*0f4c859eSApple OSS Distributions<h3>PARAMETERS</h3> 14*0f4c859eSApple OSS Distributions<dl> 15*0f4c859eSApple OSS Distributions<p> 16*0f4c859eSApple OSS Distributions<dt> <var>parent_ledger</var> 17*0f4c859eSApple OSS Distributions<dd> 18*0f4c859eSApple OSS Distributions[in ledger send right] 19*0f4c859eSApple OSS DistributionsThe parent ledger. 20*0f4c859eSApple OSS Distributions<p> 21*0f4c859eSApple OSS Distributions<dt> <var>ledger_ledger</var> 22*0f4c859eSApple OSS Distributions<dd> 23*0f4c859eSApple OSS Distributions[in ledger send right] 24*0f4c859eSApple OSS DistributionsThe wired kernel memory ledger providing the 25*0f4c859eSApple OSS Distributionsspace from which the ledger itself is drawn. 26*0f4c859eSApple OSS Distributions<p> 27*0f4c859eSApple OSS Distributions<dt> <var>child_ledger</var> 28*0f4c859eSApple OSS Distributions<dd> 29*0f4c859eSApple OSS Distributions[out ledger send right] 30*0f4c859eSApple OSS DistributionsThe new child ledger, of the same resource type 31*0f4c859eSApple OSS Distributionsas the parent ledger. 32*0f4c859eSApple OSS Distributions<p> 33*0f4c859eSApple OSS Distributions<dt> <var>transfer</var> 34*0f4c859eSApple OSS Distributions<dd> 35*0f4c859eSApple OSS Distributions[in scalar] 36*0f4c859eSApple OSS DistributionsThe resource amount to transfer to the new ledger. 37*0f4c859eSApple OSS Distributions</dl> 38*0f4c859eSApple OSS Distributions<h3>DESCRIPTION</h3> 39*0f4c859eSApple OSS Distributions<p> 40*0f4c859eSApple OSS DistributionsThe <strong>ledger_create</strong> function creates a subordinate ledger. 41*0f4c859eSApple OSS DistributionsResource limits can be 42*0f4c859eSApple OSS Distributionstransferred from the parent ledger. The child ledger itself 43*0f4c859eSApple OSS Distributionsis accounted against 44*0f4c859eSApple OSS Distributionsthe <var>ledger_ledger</var>. A new ledger inherits the remote service port. 45*0f4c859eSApple OSS Distributions<h3>NOTES</h3> 46*0f4c859eSApple OSS Distributions<p> 47*0f4c859eSApple OSS DistributionsThis interface is not implemented in OSF/1 R1.3. 48*0f4c859eSApple OSS Distributions<p> 49*0f4c859eSApple OSS DistributionsA ledger limit of <strong>LEDGER_ITEM_INFINITE</strong> allows any amount (even 50*0f4c859eSApple OSS Distributionsinfinity) to be withdrawn. The root ledger has such a limit. 51*0f4c859eSApple OSS Distributions<h3>RETURN VALUES</h3> 52*0f4c859eSApple OSS Distributions<dl> 53*0f4c859eSApple OSS Distributions<p> 54*0f4c859eSApple OSS Distributions<dt> <strong>KERN_RESOURCE_SHORTAGE</strong> 55*0f4c859eSApple OSS Distributions<dd> 56*0f4c859eSApple OSS DistributionsTransferring the resources would cause the parent ledger to exceed its 57*0f4c859eSApple OSS Distributionslimits. 58*0f4c859eSApple OSS Distributions<p> 59*0f4c859eSApple OSS Distributions<dt> <strong>KERN_INVALID_LEDGER</strong> 60*0f4c859eSApple OSS Distributions<dd> 61*0f4c859eSApple OSS Distributions<var>ledger_ledger</var> is not a wired kernel memory ledger. 62*0f4c859eSApple OSS Distributions</dl> 63*0f4c859eSApple OSS Distributions<h3>RELATED INFORMATION</h3> 64*0f4c859eSApple OSS Distributions<p> 65*0f4c859eSApple OSS DistributionsFunctions: 66*0f4c859eSApple OSS Distributions<a href="ledger_transfer.html"><strong>ledger_transfer</strong></a>, 67*0f4c859eSApple OSS Distributions<a href="ledger_terminate.html"><strong>ledger_terminate</strong></a>, 68*0f4c859eSApple OSS Distributions<a href="ledger_read.html"><strong>ledger_read</strong></a>, 69*0f4c859eSApple OSS Distributions<a href="ledger_set_remote.html"><strong>ledger_set_remote</strong></a>. 70