1<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 2<html xml:lang="en-US" lang="en-US" xmlns="http://www.w3.org/1999/xhtml"> 3 <head> 4 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> 5 <meta http-equiv="Content-Style-Type" content="text/css" /> 6 <link rel="stylesheet" href="../../../css/manpage.css" type="text/css" /> 7 <title>TryInitialize</title> 8 </head> 9 <body> 10 <h1><CODE><a href="../../../nn/Overview.html">nn</a>::<a href="../../../nn/os/Overview.html">os</a>::<a href="../../../nn/os/StackMemory/Overview.html">StackMemory</a>::TryInitialize</CODE> Member Function</h1> 11 <h2>Syntax</h2> 12 <div class="section"> 13 <pre class="definition"> 14<a href="../../../nn/Result/Overview.html">Result</a> TryInitialize( 15 void * pMem, 16 size_t size 17); 18</pre> 19 </div> 20 <h2>Arguments</h2> 21 <div class="section"> 22 <table class="arguments"> 23 <thead> 24 <tr> 25 <td width="15" /> 26 <th>Name</th> 27 <td>Description</td> 28 </tr> 29 </thead> 30 <tr> 31 <td>in</td> 32 <th>pMem</th> 33 <td>Pointer to the beginning of the memory region to partition. Must be 4096-byte aligned.</td> 34 </tr> 35 <tr> 36 <td>in</td> 37 <th>size</th> 38 <td>Size of memory region to partition. The <SPAN class="argument">size</SPAN> argument must be a multiple of <CODE>4096</CODE>.</td> 39 </tr> </table> 40 </div> 41 <h2>Return Values</h2> 42 <div class="section">Returns whether process was successful. </div> 43 <h2>Description</h2> 44 <div class="section"> 45 <p>Tries to partition a memory region.</p><p>Remaps the memory region specified in the arguments to a different address allocated with 4 KB of unmapped memory before and after. Once that is done, the specified address range cannot be accessed until <CODE>Finalize</CODE> is called. Call <a href="../../../nn/os/MemoryBlockBase/GetAddress.html"><CODE>MemoryBlockBase::GetAddress</CODE></a> to get a new map address.</p><p> 46 The function returns an error and fails if the region is already initialized, if the alignment restrictions of the arguments are not met, or if address mapping fails internally. 47 </p></div> 48 <h2>Revision History</h2> 49 <div class="section"> 50 <dl class="history"> 51 <dt>2011/06/22</dt> 52 <dd>Initial version.<br /> 53 </dd> 54 </dl> 55 </div> 56 <hr><p>CONFIDENTIAL</p></body> 57</html> 58