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<div id="preamble"><h1>Apache Module mod_slotmem</h1>
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<p><span>Available Languages: </span><a href="../en/mod/mod_slotmem.html" title="English"> en </a></p>
</div>
<table class="module"><tr><th><a href="module-dict.html#Description">Description:</a></th><td>Slot-based memory implementation API.</td></tr>
<tr><th><a href="module-dict.html#Status">Status:</a></th><td>Extension</td></tr>
<tr><th><a href="module-dict.html#ModuleIdentifier">Module�Identifier:</a></th><td>slotmem_module</td></tr>
<tr><th><a href="module-dict.html#SourceFile">Source�File:</a></th><td>mod_slotmem.c</td></tr></table>
<h3>Summary</h3>
<p><code>mod_slotmem</code> provides an interface to a
memory allocation implementation which is based on the
concept of datasets being in various "slots" within
a larger memory segment. As such, it is similar in
concept to a generic table or array. The real use of
the module is as a front-end to various providers
(such as <code class="module"><a href="../mod/mod_sharedmem.html">mod_sharedmem</a></code>) which deal
with the actual implementations. This allows modules
to use a single API for memory usage, to matter what
the underlying implementation is.
</p>
<p><code>mod_slotmem</code> provides the following
API functions:
</p>
<dl>
<dt>ap_slotmem_storage_method *ap_slotmem_method(const char *provider)</dt>
<dd>obtain the provider method desired</dd>
<dt>apr_status_t ap_slotmem_do(ap_slotmem_storage_method *sm, ap_slotmem_t *s, ap_slotmem_callback_fn_t *func, void *data, apr_pool_t *pool)</dt>
<dd>call the callback on all worker slots</dd>
<dt>apr_status_t ap_slotmem_create(ap_slotmem_storage_method *sm, ap_slotmem_t **new, const char *name, apr_size_t item_size, int item_num, apr_pool_t *pool)</dt>
<dd>create a new slotmem with each item size is item_size.</dd>
<dt>apr_status_t ap_slotmem_attach(ap_slotmem_storage_method *sm, ap_slotmem_t **new, const char *name, apr_size_t *item_size, int *item_num, apr_pool_t *pool)</dt>
<dd>attach to an existing slotmem.</dd>
<dt>apr_status_t ap_slotmem_mem(ap_slotmem_storage_method *sm, ap_slotmem_t *s, int item_id, void**mem)</dt>
<dd>get the memory associated with this worker slot.</dd>
<dt>apr_status_t ap_slotmem_lock(ap_slotmem_storage_method *sm, ap_slotmem_t *s)</dt>
<dd>lock the memory segment</dd>
<dt>(apr_status_t ap_slotmem_unlock(ap_slotmem_storage_method *sm, ap_slotmem_t *s)</dt>
<dd>unlock the memory segment</dd>
</dl>
</div>
<div id="quickview"><h3 class="directives">Directives</h3>
<p>This module provides no
directives.</p>
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<p class="apache">Copyright 2009 The Apache Software Foundation.<br />Licensed under the <a href="http://www.apache.org/licenses/LICENSE-2.0">Apache License, Version 2.0</a>.</p>
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