xnu-1504.3.12.tar.gz

[apple/xnu.git] / osfmk / man / ledger_get_remote.html

diff --git a/osfmk/man/ledger_get_remote.html b/osfmk/man/ledger_get_remote.html
index 7b9a49315e355ac0da79a6eb5c80e81c6c81c040..58abf486eb6353eeef838c016fa8c997f9a296a9 100755 (executable)
--- a/osfmk/man/ledger_get_remote.html
+++ b/osfmk/man/ledger_get_remote.html
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-<h2>ledger_get_remote</h2>\r<hr>\r<p>\r<strong>Function</strong> - Return send right to specified host's remote ledger port.\r<h3>SYNOPSIS</h3>\r<pre>\r<strong>kern_return_t   ledger_get_remote</strong>\r                <strong>(ledger_port_t</strong>                           <var>ledger</var>,\r                 <strong>host_t</strong>                               <var>host_name</var>,\r                 <strong>ledger</strong>                            <var>service_port</var><strong>);</strong>\r\r\r<strong>kern_return_t   ledger_return_remote</strong>\r                <strong>(ledger_port_t</strong>                           <var>ledger</var>,\r                 <strong>host_t</strong>                               <var>host_name</var>,\r                 <strong>ledger</strong>                            <var>service_port</var><strong>);</strong>\r</pre>\r<h3>PARAMETERS</h3>\r<dl>\r<p>\r<dt> <var>ledger</var> \r<dd>\r[in ledger send right]\rThe ledger whose service port is desired.\r<p>\r<dt> <var>host_name</var> \r<dd>\r[in host-name send right]\rThe name for the host requesting the service \rport.\r<p>\r<dt> <var>service_port</var> \r<dd>\r[out ledger-service send right]\rThe ledger service port.\r</dl>\r<h3>DESCRIPTION</h3>\r<p>\rThe <strong>ledger_get_remote</strong> function returns the remote ledger\rservice port for the \rledger\r<h3>NOTES</h3>\r<p>\rThis interface is not implemented in OSF/1 R1.3.\r<p>\rThis mechanism supports distributed resource ledgers in the following way:\r<dl>\r<dd>\rWith <strong>ledger_set_remote</strong>, a ledger is assigned a remote\rledger service port.\r<dd>\rThis ledger is used as the ledger for a create operation.  \rIf the ledger is local to the target kernel, all is fine.\r<dd>\rFor a non-local creation, the target kernel sees that the supplied\rledger is not \ra local ledger.  The kernel sends a <strong>ledger_get_remote</strong> message to it,\rincluding the host name.\r<dd>\rThe (remote) ledger receives this message, ignores the host name and returns \rthe remote ledger service port.\r<dd>\rAssuming that the remote ledger service port is not a local ledger, the kernel \rsends a <strong>ledger_get_remote</strong> message to this service port.\r<dd>\rA server receives this request (with the <strong>ledger_return_remote</strong>\rserver interface) \rand uses the identity of the service port as well as the host name of the \rtarget kernel to locate or create a suitable ledger on that kernel.\r<dd>\rThe port for a ledger on the target kernel is sent to that kernel and used.\r</dl>\r<h3>RETURN VALUES</h3>\r<p>\rOnly generic errors apply.\r<h3>RELATED INFORMATION</h3>\r<p>\rFunctions:\r<a href="ledger_create.html"><strong>ledger_create</strong></a>,\r<a href="ledger_set_remote.html"><strong>ledger_set_remote</strong></a>.\r
\ No newline at end of file
+<h2>ledger_get_remote</h2>
+<hr>
+<p>
+<strong>Function</strong> - Return send right to specified host's remote ledger port.
+<h3>SYNOPSIS</h3>
+<pre>
+<strong>kern_return_t   ledger_get_remote</strong>
+                <strong>(ledger_port_t</strong>                           <var>ledger</var>,
+                 <strong>host_t</strong>                               <var>host_name</var>,
+                 <strong>ledger</strong>                            <var>service_port</var><strong>);</strong>
+
+
+<strong>kern_return_t   ledger_return_remote</strong>
+                <strong>(ledger_port_t</strong>                           <var>ledger</var>,
+                 <strong>host_t</strong>                               <var>host_name</var>,
+                 <strong>ledger</strong>                            <var>service_port</var><strong>);</strong>
+</pre>
+<h3>PARAMETERS</h3>
+<dl>
+<p>
+<dt> <var>ledger</var> 
+<dd>
+[in ledger send right]
+The ledger whose service port is desired.
+<p>
+<dt> <var>host_name</var> 
+<dd>
+[in host-name send right]
+The name for the host requesting the service 
+port.
+<p>
+<dt> <var>service_port</var> 
+<dd>
+[out ledger-service send right]
+The ledger service port.
+</dl>
+<h3>DESCRIPTION</h3>
+<p>
+The <strong>ledger_get_remote</strong> function returns the remote ledger
+service port for the 
+ledger
+<h3>NOTES</h3>
+<p>
+This interface is not implemented in OSF/1 R1.3.
+<p>
+This mechanism supports distributed resource ledgers in the following way:
+<dl>
+<dd>
+With <strong>ledger_set_remote</strong>, a ledger is assigned a remote
+ledger service port.
+<dd>
+This ledger is used as the ledger for a create operation.  
+If the ledger is local to the target kernel, all is fine.
+<dd>
+For a non-local creation, the target kernel sees that the supplied
+ledger is not 
+a local ledger.  The kernel sends a <strong>ledger_get_remote</strong> message to it,
+including the host name.
+<dd>
+The (remote) ledger receives this message, ignores the host name and returns 
+the remote ledger service port.
+<dd>
+Assuming that the remote ledger service port is not a local ledger, the kernel 
+sends a <strong>ledger_get_remote</strong> message to this service port.
+<dd>
+A server receives this request (with the <strong>ledger_return_remote</strong>
+server interface) 
+and uses the identity of the service port as well as the host name of the 
+target kernel to locate or create a suitable ledger on that kernel.
+<dd>
+The port for a ledger on the target kernel is sent to that kernel and used.
+</dl>
+<h3>RETURN VALUES</h3>
+<p>
+Only generic errors apply.
+<h3>RELATED INFORMATION</h3>
+<p>
+Functions:
+<a href="ledger_create.html"><strong>ledger_create</strong></a>,
+<a href="ledger_set_remote.html"><strong>ledger_set_remote</strong></a>.