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

<h2>memory_object_change_completed</h2>\r<hr>\r<p>\r<strong>Server Interface</strong> - Notify memory manager that kernel has updated memory object attributes as requested.\r<h3>SYNOPSIS</h3>\r<pre>\r<strong>kern_return_t   memory_object_change_completed</strong>\r                <strong>(memory_object_t</strong>                     <var>reply_port</var>,\r                 <strong>memory_object_control_t</strong>         <var>memory_control</var>,\r                 <strong>memory_object_flavor_t</strong>                  <var>flavor</var><strong>);</strong>\r\r\r<strong>kern_return_t   seqnos_memory_object_change_completed</strong>\r                <strong>(memory_object_t</strong>                     <var>reply_port</var>,\r                 <strong>mach_port_seqno_t</strong>                        <var>seqno</var>,\r                 <strong>memory_object_control_t</strong>         <var>memory_control</var>,\r                 <strong>memory_object_flavor_t</strong>                  <var>flavor</var><strong>);</strong>\r</pre>\r<h3>PARAMETERS</h3>\r<dl>\r<p>\r<dt> <var>reply_port</var> \r<dd>\r[in reply (receive) right]\rThe port supplied in the corresponding\r<strong>memory_object_change_attributes</strong> call.\r<p>\r<dt> <var>seqno</var> \r<dd>\r[in scalar]\rThe sequence number of this message relative to the port \rnamed in the <strong>memory_object_change_attributes</strong> call.\r<p>\r<dt> <var>memory_control</var> \r<dd>\r[in memory-cache-control send right]\rThe memory cache control port \rto be used for a response by the memory manager.  If the memory\robject has been supplied to more than one kernel, this parameter\ridentifies the kernel that is making the call.\r<p>\r<dt> <var>flavor</var> \r<dd>\r[in scalar]\rThe flavor of attributes changed by the corresponding\r<strong>memory_object_change_attributes</strong> call.\r</dl>\r<h3>DESCRIPTION</h3>\r<p>\rA <strong>memory_object_change_completed</strong> function is called\ras the result of a\rkernel message confirming the kernel's action in response to a\r<strong>memory_object_change_attributes</strong> call from the memory manager.\r<p>\rWhen the kernel completes the requested changes, it calls\r<strong>memory_object_change_completed</strong> (asynchronously) using\rthe port explicitly provided in \rthe <strong>memory_object_change_attributes</strong> call.\r<h3>RETURN VALUES</h3>\r<p>\rOnly generic errors apply.\r<h3>RELATED INFORMATION</h3>\r<p>\rFunctions:\r<a href="MO_change_attributes.html"><strong>memory_object_change_attributes</strong></a>,\r<a href="memory_object_server.html"><strong>memory_object_server</strong></a>,\r<a href="SMO_server.html"><strong>seqnos_memory_object_server</strong></a>.\r