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10eed2803538d660048f6e733602e82a75ef6885noodl<div id="preamble"><h1>Apache Module mod_slotmem_plain</h1>
f086b4b402fa9a2fefc7dda85de2a3cc1cd0a654rjung<p><span>Available Languages: </span><a href="/en/mod/mod_slotmem_plain.html" title="English"> en </a></p>
10eed2803538d660048f6e733602e82a75ef6885noodl<table class="module"><tr><th><a href="module-dict.html#Description">Description:</a></th><td>Slot-based shared memory provider.</td></tr>
7f0952c0239ea2d6e37b472db6fde4ef2718343dsf<tr><th><a href="module-dict.html#Status">Status:</a></th><td>Extension</td></tr>
10eed2803538d660048f6e733602e82a75ef6885noodl<tr><th><a href="module-dict.html#ModuleIdentifier">Module�Identifier:</a></th><td>slotmem_plain_module</td></tr>
46f74e65e6051e6e9391c8e17c5116317210facetakashi<tr><th><a href="module-dict.html#SourceFile">Source�File:</a></th><td>mod_slotmem_plain.c</td></tr></table>
10eed2803538d660048f6e733602e82a75ef6885noodl <p><code>mod_slotmem_plain</code> is a memory provider which
10eed2803538d660048f6e733602e82a75ef6885noodl provides for creation and access to a plain memory segment
10eed2803538d660048f6e733602e82a75ef6885noodl in which the datasets are organized in "slots."
10eed2803538d660048f6e733602e82a75ef6885noodl <p>If the memory needs to be shared between threads and
10eed2803538d660048f6e733602e82a75ef6885noodl processes, a better provider would be
10eed2803538d660048f6e733602e82a75ef6885noodl <code class="module"><a href="/mod/mod_slotmem_shm.html">mod_slotmem_shm</a></code>.
10eed2803538d660048f6e733602e82a75ef6885noodl <p><code>mod_slotmem_plain</code> provides the following API functions:
10eed2803538d660048f6e733602e82a75ef6885noodl <dt>apr_status_t doall(ap_slotmem_instance_t *s, ap_slotmem_callback_fn_t *func, void *data, apr_pool_t *pool)</dt>
10eed2803538d660048f6e733602e82a75ef6885noodl <dt>apr_status_t create(ap_slotmem_instance_t **new, const char *name, apr_size_t item_size, unsigned int item_num, ap_slotmem_type_t type, apr_pool_t *pool)</dt>
7f0952c0239ea2d6e37b472db6fde4ef2718343dsf <dd>create a new slotmem with each item size is item_size.</dd>
10eed2803538d660048f6e733602e82a75ef6885noodl <dt>apr_status_t attach(ap_slotmem_instance_t **new, const char *name, apr_size_t *item_size, unsigned int *item_num, apr_pool_t *pool)</dt>
9a58dc6a2b26ec128b1270cf48810e705f1a90dbsf <dt>apr_status_t dptr(ap_slotmem_instance_t *s, unsigned int item_id, void**mem)</dt>
10eed2803538d660048f6e733602e82a75ef6885noodl <dd>get the direct pointer to the memory associated with this worker slot.</dd>
9a58dc6a2b26ec128b1270cf48810e705f1a90dbsf <dt>apr_status_t get(ap_slotmem_instance_t *s, unsigned int item_id, unsigned char *dest, apr_size_t dest_len)</dt>
10eed2803538d660048f6e733602e82a75ef6885noodl <dt>apr_status_t put(ap_slotmem_instance_t *slot, unsigned int item_id, unsigned char *src, apr_size_t src_len)</dt>
10eed2803538d660048f6e733602e82a75ef6885noodl <dt>unsigned int num_slots(ap_slotmem_instance_t *s)</dt>
10eed2803538d660048f6e733602e82a75ef6885noodl <dd>return the total number of slots in the segment</dd>
10eed2803538d660048f6e733602e82a75ef6885noodl <dt>apr_size_t slot_size(ap_slotmem_instance_t *s)</dt>
10eed2803538d660048f6e733602e82a75ef6885noodl <dd>return the total data size, in bytes, of a slot in the segment</dd>
2060bb0b7e53ae377492426fe35fe4d3cf5bf815jim <dt>apr_status_t grab(ap_slotmem_instance_t *s, unsigned int *item_id);</dt>
2060bb0b7e53ae377492426fe35fe4d3cf5bf815jim <dd>grab or allocate the first free slot and mark as in-use (does not do any data copying)</dd>
2060bb0b7e53ae377492426fe35fe4d3cf5bf815jim <dt>apr_status_t fgrab(ap_slotmem_instance_t *s, unsigned int item_id);</dt>
2060bb0b7e53ae377492426fe35fe4d3cf5bf815jim <dd>forced grab or allocate the specified slot and mark as in-use (does not do any data copying)</dd>
2060bb0b7e53ae377492426fe35fe4d3cf5bf815jim <dt>apr_status_t release(ap_slotmem_instance_t *s, unsigned int item_id);</dt>
10eed2803538d660048f6e733602e82a75ef6885noodl <dd>release or free a slot and mark as not in-use (does not do any data copying)</dd>
a4784b5a082381b03e972caf3aa052a64c68f06dhumbedooh<div id="quickview"><h3 class="directives">Directives</h3>
a4784b5a082381b03e972caf3aa052a64c68f06dhumbedooh<p>This module provides no
a4784b5a082381b03e972caf3aa052a64c68f06dhumbedooh directives.</p>
a4784b5a082381b03e972caf3aa052a64c68f06dhumbedooh<ul class="seealso"><li><a href="#comments_section">Comments</a></li></ul></div>
10eed2803538d660048f6e733602e82a75ef6885noodl<p><span>Available Languages: </span><a href="/en/mod/mod_slotmem_plain.html" title="English"> en </a></p>
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