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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<title>SystemTap: map_root Struct Reference</title>
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<h1>map_root Struct Reference<br>
<small>
[<a class="el" href="group__maps.html">Maps</a>]</small>
</h1>This structure contains all information about a map.
<a href="#_details">More...</a>
<p>
<code>#include <<a class="el" href="map_8h-source.html">map.h</a>></code>
<p>
<table border="0" cellpadding="0" cellspacing="0">
<tr><td></td></tr>
<tr><td colspan="2"><br><h2>Data Fields</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="o0" doxytag="map_root::type"></a>
enum <a class="el" href="group__maps.html#ga33">valtype</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="structmap__root.html#o0">type</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">type of the values stored in the array <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="o1" doxytag="map_root::maxnum"></a>
int </td><td class="memItemRight" valign="bottom"><a class="el" href="structmap__root.html#o1">maxnum</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">maximum number of elements allowed in the array. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="o2" doxytag="map_root::num"></a>
int </td><td class="memItemRight" valign="bottom"><a class="el" href="structmap__root.html#o2">num</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">current number of used elements <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="o3" doxytag="map_root::no_wrap"></a>
int </td><td class="memItemRight" valign="bottom"><a class="el" href="structmap__root.html#o3">no_wrap</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">when more than maxnum elements, wrap or discard? <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="o4" doxytag="map_root::head"></a>
list_head </td><td class="memItemRight" valign="bottom"><a class="el" href="structmap__root.html#o4">head</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">linked list of current entries <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">list_head </td><td class="memItemRight" valign="bottom"><a class="el" href="structmap__root.html#o5">pool</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">pool of unused entries. <a href="#o5"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="o6" doxytag="map_root::key"></a>
<a class="el" href="structmap__node.html">map_node</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="structmap__root.html#o6">key</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">saved key entry for lookups <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">u_int8_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structmap__root.html#o7">create</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">this is the creation data saved between the key functions and the set/get functions <a href="#o7"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="o8" doxytag="map_root::c_key1type"></a>
enum <a class="el" href="group__maps.html#ga32">keytype</a> </td><td class="memItemRight" valign="bottom"><b>c_key1type</b></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="o9" doxytag="map_root::c_key2type"></a>
enum <a class="el" href="group__maps.html#ga32">keytype</a> </td><td class="memItemRight" valign="bottom"><b>c_key2type</b></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="o10" doxytag="map_root::c_keyhead"></a>
hlist_head * </td><td class="memItemRight" valign="bottom"><b>c_keyhead</b></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="o11" doxytag="map_root::c_key1"></a>
<a class="el" href="unionkey__data.html">key_data</a> </td><td class="memItemRight" valign="bottom"><b>c_key1</b></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="o12" doxytag="map_root::c_key2"></a>
<a class="el" href="unionkey__data.html">key_data</a> </td><td class="memItemRight" valign="bottom"><b>c_key2</b></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="o13" doxytag="map_root::hashes"></a>
hlist_head </td><td class="memItemRight" valign="bottom"><a class="el" href="structmap__root.html#o13">hashes</a> [HASH_TABLE_SIZE]</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">the hash table for this array <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void * </td><td class="memItemRight" valign="bottom"><a class="el" href="structmap__root.html#o14">membuf</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">pointer to allocated memory space. <a href="#o14"></a><br></td></tr>
</table>
<hr><a name="_details"></a><h2>Detailed Description</h2>
This structure contains all information about a map.
<p>
It is allocated once when <a class="el" href="group__maps.html#ga2">_stp_map_new()</a> is called.
<p>
<p>
Definition at line <a class="el" href="map_8h-source.html#l00067">67</a> of file <a class="el" href="map_8h-source.html">map.h</a>.<hr><h2>Field Documentation</h2>
<a class="anchor" name="o7" doxytag="map_root::create"></a><p>
<table class="mdTable" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top">u_int8_t <a class="el" href="structmap__root.html#o7">map_root::create</a> </td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing="5" cellpadding="0" border="0">
<tr>
<td>
</td>
<td>
<p>
this is the creation data saved between the key functions and the set/get functions
<p>
<dl compact><dt><b><a class="el" href="todo.html#_todo000009">Todo:</a></b></dt><dd>Needs to be per-cpu data for SMP support</dd></dl>
<p>
Definition at line <a class="el" href="map_8h-source.html#l00093">93</a> of file <a class="el" href="map_8h-source.html">map.h</a>.
<p>
Referenced by <a class="el" href="map_8c-source.html#l00568">_stp_map_get_int64()</a>, <a class="el" href="map_8c-source.html#l00732">_stp_map_get_stat()</a>, <a class="el" href="map_8c-source.html#l00649">_stp_map_get_str()</a>, <a class="el" href="map_8c-source.html#l00233">_stp_map_key_long_long()</a>, <a class="el" href="map_8c-source.html#l00373">_stp_map_key_long_str()</a>, <a class="el" href="map_8c-source.html#l00325">_stp_map_key_str_long()</a>, <a class="el" href="map_8c-source.html#l00276">_stp_map_key_str_str()</a>, <a class="el" href="map_8c-source.html#l00673">_stp_map_set_stat()</a>, <a class="el" href="map_8c-source.html#l00588">_stp_map_set_str()</a>, and <a class="el" href="map_8c-source.html#l00753">_stp_map_stat_add()</a>. </td>
</tr>
</table>
<a class="anchor" name="o14" doxytag="map_root::membuf"></a><p>
<table class="mdTable" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top">void* <a class="el" href="structmap__root.html#o14">map_root::membuf</a> </td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing="5" cellpadding="0" border="0">
<tr>
<td>
</td>
<td>
<p>
pointer to allocated memory space.
<p>
Used for freeing memory.
<p>
Definition at line <a class="el" href="map_8h-source.html#l00104">104</a> of file <a class="el" href="map_8h-source.html">map.h</a>.
<p>
Referenced by <a class="el" href="map_8c-source.html#l00205">_stp_map_del()</a>, and <a class="el" href="map_8c-source.html#l00057">_stp_map_new()</a>. </td>
</tr>
</table>
<a class="anchor" name="o5" doxytag="map_root::pool"></a><p>
<table class="mdTable" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top">struct list_head <a class="el" href="structmap__root.html#o5">map_root::pool</a> </td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing="5" cellpadding="0" border="0">
<tr>
<td>
</td>
<td>
<p>
pool of unused entries.
<p>
Used only when entries are statically allocated at startup.
<p>
Definition at line <a class="el" href="map_8h-source.html#l00085">85</a> of file <a class="el" href="map_8h-source.html">map.h</a>.
<p>
Referenced by <a class="el" href="map_8c-source.html#l00813">_stp_list_clear()</a>, <a class="el" href="map_8c-source.html#l00057">_stp_map_new()</a>, <a class="el" href="map_8c-source.html#l00673">_stp_map_set_stat()</a>, and <a class="el" href="map_8c-source.html#l00588">_stp_map_set_str()</a>. </td>
</tr>
</table>
<hr>The documentation for this struct was generated from the following file:<ul>
<li><a class="el" href="map_8h-source.html">map.h</a></ul>
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