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<hr><h1>sc::ProcMemoryGrp Class Reference</h1>The <a class="el" href="class_sc__ProcMessageGrp.html">ProcMessageGrp</a> concrete class provides an implementation of <a class="el" href="class_sc__MemoryGrp.html">MemoryGrp</a> for a single processor.
<a href="#_details">More...</a>
<p>
<code>#include <<a class="el" href="memproc_h-source.html">memproc.h</a>></code>
<p>
Inheritance diagram for sc::ProcMemoryGrp<p><center><img src="class_sc__ProcMemoryGrp_inherit_graph.gif" border="0" usemap="#sc::ProcMemoryGrp_inherit_map" alt="Inheritance graph"></center>
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<area href="class_sc__DescribedClass.html" shape="rect" coords="18,147,133,166">
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<center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center>Collaboration diagram for sc::ProcMemoryGrp:<p><center><img src="class_sc__ProcMemoryGrp_coll_graph.gif" border="0" usemap="#sc::ProcMemoryGrp_coll_map" alt="Collaboration graph"></center>
<map name="sc::ProcMemoryGrp_coll_map">
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<center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center><a href="class_sc__ProcMemoryGrp-members.html">List of all members.</a><table border=0 cellpadding=0 cellspacing=0>
<tr><td colspan=2><br><h2>Public Methods</h2></td></tr>
<tr><td nowrap align=right valign=top><a name="a0" doxytag="sc::ProcMemoryGrp::ProcMemoryGrp"></a>
</td><td valign=bottom><b>ProcMemoryGrp</b> ()</td></tr>
<tr><td nowrap align=right valign=top><a name="a1" doxytag="sc::ProcMemoryGrp::ProcMemoryGrp"></a>
</td><td valign=bottom><b>ProcMemoryGrp</b> (const <a class="el" href="class_sc__Ref.html">Ref</a>< <a class="el" href="class_sc__KeyVal.html">KeyVal</a> > &)</td></tr>
<tr><td nowrap align=right valign=top><a name="a2" doxytag="sc::ProcMemoryGrp::~ProcMemoryGrp"></a>
</td><td valign=bottom><b>~ProcMemoryGrp</b> ()</td></tr>
<tr><td nowrap align=right valign=top>void </td><td valign=bottom><a class="el" href="class_sc__ProcMemoryGrp.html#a3">set_localsize</a> (size_t)</td></tr>
<tr><td> </td><td><font size=-1><em>Set the size of locally held memory.</em> <a href="#a3">More...</a><em></em></font><br><br></td></tr>
<tr><td nowrap align=right valign=top><a name="a4" doxytag="sc::ProcMemoryGrp::localdata"></a>
void* </td><td valign=bottom><a class="el" href="class_sc__ProcMemoryGrp.html#a4">localdata</a> ()</td></tr>
<tr><td> </td><td><font size=-1><em>Returns a pointer to the local data.</em></font><br><br></td></tr>
<tr><td nowrap align=right valign=top>void* </td><td valign=bottom><a class="el" href="class_sc__ProcMemoryGrp.html#a5">obtain_readwrite</a> (distsize_t offset, int size)</td></tr>
<tr><td> </td><td><font size=-1><em>Only one thread can have an unreleased obtain_readwrite at a time.</em> <a href="#a5">More...</a><em></em></font><br><br></td></tr>
<tr><td nowrap align=right valign=top><a name="a6" doxytag="sc::ProcMemoryGrp::obtain_readonly"></a>
void* </td><td valign=bottom><a class="el" href="class_sc__ProcMemoryGrp.html#a6">obtain_readonly</a> (distsize_t offset, int size)</td></tr>
<tr><td> </td><td><font size=-1><em>This gives read access to the memory location. No locking is done.</em></font><br><br></td></tr>
<tr><td nowrap align=right valign=top><a name="a7" doxytag="sc::ProcMemoryGrp::obtain_writeonly"></a>
void* </td><td valign=bottom><a class="el" href="class_sc__ProcMemoryGrp.html#a7">obtain_writeonly</a> (distsize_t offset, int size)</td></tr>
<tr><td> </td><td><font size=-1><em>This gives write access to the memory location. No locking is done.</em></font><br><br></td></tr>
<tr><td nowrap align=right valign=top><a name="a8" doxytag="sc::ProcMemoryGrp::release_readonly"></a>
void </td><td valign=bottom><a class="el" href="class_sc__ProcMemoryGrp.html#a8">release_readonly</a> (void *data, distsize_t offset, int size)</td></tr>
<tr><td> </td><td><font size=-1><em>This is called when read access is no longer needed.</em></font><br><br></td></tr>
<tr><td nowrap align=right valign=top><a name="a9" doxytag="sc::ProcMemoryGrp::release_writeonly"></a>
void </td><td valign=bottom><a class="el" href="class_sc__ProcMemoryGrp.html#a9">release_writeonly</a> (void *data, distsize_t offset, int size)</td></tr>
<tr><td> </td><td><font size=-1><em>This is called when write access is no longer needed.</em></font><br><br></td></tr>
<tr><td nowrap align=right valign=top>void </td><td valign=bottom><a class="el" href="class_sc__ProcMemoryGrp.html#a10">release_readwrite</a> (void *data, distsize_t offset, int size)</td></tr>
<tr><td> </td><td><font size=-1><em>This is called when read/write access is no longer needed.</em> <a href="#a10">More...</a><em></em></font><br><br></td></tr>
<tr><td nowrap align=right valign=top>void </td><td valign=bottom><a class="el" href="class_sc__ProcMemoryGrp.html#a11">sync</a> ()</td></tr>
<tr><td> </td><td><font size=-1><em>Synchronizes all the nodes.</em> <a href="#a11">More...</a><em></em></font><br><br></td></tr>
</table>
<hr><a name="_details"></a><h2>Detailed Description</h2>
The <a class="el" href="class_sc__ProcMessageGrp.html">ProcMessageGrp</a> concrete class provides an implementation of <a class="el" href="class_sc__MemoryGrp.html">MemoryGrp</a> for a single processor.
<p>
<hr><h2>Member Function Documentation</h2>
<a name="a5" doxytag="sc::ProcMemoryGrp::obtain_readwrite"></a><p>
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<td class="md">
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<td nowrap valign="top"><b>
void* sc::ProcMemoryGrp::obtain_readwrite (
</b></td>
<td valign="bottom"><b>
distsize_t <em>offset</em>,
</b></td>
</tr>
<tr>
<td></td>
<td><b>
int <em>size</em> )<code> [virtual]</code>
</b></td>
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</td>
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<td>
</td>
<td>
<p>
Only one thread can have an unreleased obtain_readwrite at a time.
<p>
The actual memory region locked can be larger than that requested. If the memory region is already locked this will block. For this reason, data should be held as read/write for as short a time as possible.
<p>
Reimplemented from <a class="el" href="class_sc__MemoryGrp.html#a15">sc::MemoryGrp</a>. </td>
</tr>
</table>
<a name="a10" doxytag="sc::ProcMemoryGrp::release_readwrite"></a><p>
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<td class="md">
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void sc::ProcMemoryGrp::release_readwrite (
</b></td>
<td valign="bottom"><b>
void * <em>data</em>,
</b></td>
</tr>
<tr>
<td></td>
<td><b>
distsize_t <em>offset</em>,
</b></td>
</tr>
<tr>
<td></td>
<td><b>
int <em>size</em> )<code> [virtual]</code>
</b></td>
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</td>
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</td>
<td>
<p>
This is called when read/write access is no longer needed.
<p>
The memory will be unlocked.
<p>
Reimplemented from <a class="el" href="class_sc__MemoryGrp.html#a19">sc::MemoryGrp</a>. </td>
</tr>
</table>
<a name="a3" doxytag="sc::ProcMemoryGrp::set_localsize"></a><p>
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<td class="md">
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<td nowrap valign="top"><b>
void sc::ProcMemoryGrp::set_localsize (
</b></td>
<td valign="bottom"><b>
size_t <em>localsize</em> )<code> [virtual]</code>
</b></td>
</tr>
</table>
</td>
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<td>
</td>
<td>
<p>
Set the size of locally held memory.
<p>
When memory is accessed using a global offset counting starts at node 0 and proceeds up to node <a class="el" href="class_sc__MemoryGrp.html#a4">n</a>() - 1.
<p>
Reimplemented from <a class="el" href="class_sc__MemoryGrp.html#a5">sc::MemoryGrp</a>. </td>
</tr>
</table>
<a name="a11" doxytag="sc::ProcMemoryGrp::sync"></a><p>
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<td class="md">
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<td nowrap valign="top"><b>
void sc::ProcMemoryGrp::sync (
</b></td>
<td valign="bottom"><b>
)<code> [virtual]</code>
</b></td>
</tr>
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</td>
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<tr>
<td>
</td>
<td>
<p>
Synchronizes all the nodes.
<p>
Consider using this when the way you you access memory changes.
<p>
Reimplemented from <a class="el" href="class_sc__MemoryGrp.html#a22">sc::MemoryGrp</a>. </td>
</tr>
</table>
<hr>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="memproc_h-source.html">memproc.h</a></ul>
<hr>
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