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8 <title>mod_plainmem - Apache HTTP Server
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22 <div id=
"preamble"><h1>Apache Module mod_plainmem
</h1>
24 <p><span>Available Languages:
</span><a href=
"../en/mod/mod_plainmem.html" title=
"English"> en
</a></p>
26 <table class=
"module"><tr><th><a href=
"module-dict.html#Description">Description:
</a></th><td>Slot-based shared memory provider.
</td></tr>
27 <tr><th><a href=
"module-dict.html#Status">Status:
</a></th><td>Extension
</td></tr>
28 <tr><th><a href=
"module-dict.html#ModuleIdentifier">Module Identifier:
</a></th><td>plainmem_module
</td></tr>
29 <tr><th><a href=
"module-dict.html#SourceFile">Source File:
</a></th><td>mod_plainmem.c
</td></tr></table>
32 <p><code>mod_plainmem
</code> is a memory provider which
33 provides for creation and access to a plain memory segment
34 in which the datasets are organized in
"slots." Although
35 it can be used directly, normally
<code class=
"module"><a href=
"../mod/mod_slotmem.html">mod_slotmem
</a></code>
36 is used as a front-end.
39 <p>If the memory needs to be shared between threads and
40 processes, a better provider would be
41 <code class=
"module"><a href=
"../mod/mod_sharedmem.html">mod_sharedmem
</a></code>.
44 <p><code>mod_plainmem
</code> provides the following
49 <dt>apr_status_t slotmem_do(ap_slotmem_t *s, ap_slotmem_callback_fn_t *func, void *data, apr_pool_t *pool)
</dt>
50 <dd>call the callback on all worker slots
</dd>
52 <dt>apr_status_t slotmem_create(ap_slotmem_t **new, const char *name, apr_size_t item_size, int item_num, apr_pool_t *pool)
</dt>
53 <dd>create a new slotmem with each item size is item_size.
</dd>
55 <dt>apr_status_t slotmem_attach(ap_slotmem_t **new, const char *name, apr_size_t *item_size, int *item_num, apr_pool_t *pool)
</dt>
56 <dd>attach to an existing slotmem.
</dd>
58 <dt>apr_status_t slotmem_mem(ap_slotmem_t *s, int item_id, void**mem)
</dt>
59 <dd>get the memory associated with this worker slot.
</dd>
61 <dt>apr_status_t slotmem_lock(ap_slotmem_t *s)
</dt>
62 <dd>lock the memory segment
</dd>
64 <dt>(apr_status_t slotmem_unlock(ap_slotmem_t *s)
</dt>
65 <dd>unlock the memory segment
</dd>
69 <div id=
"quickview"><h3 class=
"directives">Directives
</h3>
70 <p>This module provides no
75 <div class=
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76 <p><span>Available Languages:
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78 <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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