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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-07 02:04:06 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-07 02:04:06 +0000 |
| commit | 5dff2d61cc1c27747ee398e04d8e02843aabb1f8 (patch) | |
| tree | a67c336b406c8227bac912beb74a1ad3cdc55100 /docs/manual/mod/mod_slotmem_shm.html.en | |
| parent | Initial commit. (diff) | |
| download | apache2-5dff2d61cc1c27747ee398e04d8e02843aabb1f8.tar.xz apache2-5dff2d61cc1c27747ee398e04d8e02843aabb1f8.zip | |
Adding upstream version 2.4.38.upstream/2.4.38
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'docs/manual/mod/mod_slotmem_shm.html.en')
| -rw-r--r-- | docs/manual/mod/mod_slotmem_shm.html.en | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/docs/manual/mod/mod_slotmem_shm.html.en b/docs/manual/mod/mod_slotmem_shm.html.en new file mode 100644 index 0000000..7505b57 --- /dev/null +++ b/docs/manual/mod/mod_slotmem_shm.html.en @@ -0,0 +1,129 @@ +<?xml version="1.0" encoding="ISO-8859-1"?> +<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> +<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en"><head> +<meta content="text/html; charset=ISO-8859-1" http-equiv="Content-Type" /> +<!-- + XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX + This file is generated from xml source: DO NOT EDIT + XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX + --> +<title>mod_slotmem_shm - Apache HTTP Server Version 2.4</title> +<link href="../style/css/manual.css" rel="stylesheet" media="all" type="text/css" title="Main stylesheet" /> +<link href="../style/css/manual-loose-100pc.css" rel="alternate stylesheet" media="all" type="text/css" title="No Sidebar - Default font size" /> +<link href="../style/css/manual-print.css" rel="stylesheet" media="print" type="text/css" /><link rel="stylesheet" type="text/css" href="../style/css/prettify.css" /> +<script src="../style/scripts/prettify.min.js" type="text/javascript"> +</script> + +<link href="../images/favicon.ico" rel="shortcut icon" /></head> +<body> +<div id="page-header"> +<p class="menu"><a href="../mod/">Modules</a> | <a href="../mod/directives.html">Directives</a> | <a href="http://wiki.apache.org/httpd/FAQ">FAQ</a> | <a href="../glossary.html">Glossary</a> | <a href="../sitemap.html">Sitemap</a></p> +<p class="apache">Apache HTTP Server Version 2.4</p> +<img alt="" src="../images/feather.png" /></div> +<div class="up"><a href="./"><img title="<-" alt="<-" src="../images/left.gif" /></a></div> +<div id="path"> +<a href="http://www.apache.org/">Apache</a> > <a href="http://httpd.apache.org/">HTTP Server</a> > <a href="http://httpd.apache.org/docs/">Documentation</a> > <a href="../">Version 2.4</a> > <a href="./">Modules</a></div> +<div id="page-content"> +<div id="preamble"><h1>Apache Module mod_slotmem_shm</h1> +<div class="toplang"> +<p><span>Available Languages: </span><a href="../en/mod/mod_slotmem_shm.html" title="English"> en </a> | +<a href="../fr/mod/mod_slotmem_shm.html" hreflang="fr" rel="alternate" title="Français"> fr </a></p> +</div> +<table class="module"><tr><th><a href="module-dict.html#Description">Description:</a></th><td>Slot-based shared memory provider.</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_shm_module</td></tr> +<tr><th><a href="module-dict.html#SourceFile">Source File:</a></th><td>mod_slotmem_shm.c</td></tr></table> +<h3>Summary</h3> + + <p><code class="module"><a href="../mod/mod_slotmem_shm.html">mod_slotmem_shm</a></code> is a memory provider which + provides for creation and access to a shared memory segment + in which the datasets are organized in "slots." + </p> + + <p>All shared memory is cleared and cleaned with each + restart, whether graceful or not. The data itself is + stored and restored within a file noted by the <code>name</code> + parameter in the <code>create</code> and <code>attach</code> + calls. If not specified with an absolute path, the file will be + created relative to the path specified by the + <code class="directive"><a href="../mod/core.html#defaultruntimedir">DefaultRuntimeDir</a></code> directive. + </p> + + <p><code class="module"><a href="../mod/mod_slotmem_shm.html">mod_slotmem_shm</a></code> provides the following API functions: + </p> + +<pre class="prettyprint lang-c">/* call the callback on all worker slots */ +apr_status_t doall(ap_slotmem_instance_t *s, ap_slotmem_callback_fn_t *func, void *data, apr_pool_t *pool) + +/* create a new slotmem with each item size is item_size. 'name' is used to generate a filename for the persistent + store of the shared memory if configured. Values are: + "none" - Anonymous shared memory and no persistent store + "file-name" - [DefaultRuntimeDir]/file-name + "/absolute-file-name" - Absolute file name */ +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) + +/* attach to an existing slotmem. See 'create()' for description of 'name' parameter */ +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) + +/* get the direct pointer to the memory associated with this worker slot */ +apr_status_t dptr(ap_slotmem_instance_t *s, unsigned int item_id, void **mem) + +/* get/read the memory from this slot to dest */ +apr_status_t get(ap_slotmem_instance_t *s, unsigned int item_id, unsigned char *dest, apr_size_t dest_len) + +/* put/write the data from src to this slot */ +apr_status_t put(ap_slotmem_instance_t *slot, unsigned int item_id, unsigned char *src, apr_size_t src_len) + +/* return the total number of slots in the segment */ +unsigned int num_slots(ap_slotmem_instance_t *s) + +/* return the total data size, in bytes, of a slot in the segment */ +apr_size_t slot_size(ap_slotmem_instance_t *s) + +/* grab or allocate the first free slot and mark as in-use (does not do any data copying) */ +apr_status_t grab(ap_slotmem_instance_t *s, unsigned int *item_id) + +/* forced grab or allocate the specified slot and mark as in-use (does not do any data copying) */ +apr_status_t fgrab(ap_slotmem_instance_t *s, unsigned int item_id) + +/* release or free a slot and mark as not in-use (does not do any data copying) */ +apr_status_t release(ap_slotmem_instance_t *s, unsigned int item_id)</pre> + + +</div> +<div id="quickview"><a href="https://www.apache.org/foundation/contributing.html" class="badge"><img src="https://www.apache.org/images/SupportApache-small.png" alt="Support Apache!" /></a><h3 class="directives">Directives</h3> +<p>This module provides no + directives.</p> +<h3>Bugfix checklist</h3><ul class="seealso"><li><a href="https://www.apache.org/dist/httpd/CHANGES_2.4">httpd changelog</a></li><li><a href="https://bz.apache.org/bugzilla/buglist.cgi?bug_status=__open__&list_id=144532&product=Apache%20httpd-2&query_format=specific&order=changeddate%20DESC%2Cpriority%2Cbug_severity&component=mod_slotmem_shm">Known issues</a></li><li><a href="https://bz.apache.org/bugzilla/enter_bug.cgi?product=Apache%20httpd-2&component=mod_slotmem_shm">Report a bug</a></li></ul><h3>See also</h3> +<ul class="seealso"> +<li><a href="#comments_section">Comments</a></li></ul></div> + +</div> +<div class="bottomlang"> +<p><span>Available Languages: </span><a href="../en/mod/mod_slotmem_shm.html" title="English"> en </a> | +<a href="../fr/mod/mod_slotmem_shm.html" hreflang="fr" rel="alternate" title="Français"> fr </a></p> +</div><div class="top"><a href="#page-header"><img src="../images/up.gif" alt="top" /></a></div><div class="section"><h2><a id="comments_section" name="comments_section">Comments</a></h2><div class="warning"><strong>Notice:</strong><br />This is not a Q&A section. Comments placed here should be pointed towards suggestions on improving the documentation or server, and may be removed again by our moderators if they are either implemented or considered invalid/off-topic. Questions on how to manage the Apache HTTP Server should be directed at either our IRC channel, #httpd, on Freenode, or sent to our <a href="http://httpd.apache.org/lists.html">mailing lists</a>.</div> +<script type="text/javascript"><!--//--><![CDATA[//><!-- +var comments_shortname = 'httpd'; +var comments_identifier = 'http://httpd.apache.org/docs/2.4/mod/mod_slotmem_shm.html'; +(function(w, d) { + if (w.location.hostname.toLowerCase() == "httpd.apache.org") { + d.write('<div id="comments_thread"><\/div>'); + var s = d.createElement('script'); + s.type = 'text/javascript'; + s.async = true; + s.src = 'https://comments.apache.org/show_comments.lua?site=' + comments_shortname + '&page=' + comments_identifier; + (d.getElementsByTagName('head')[0] || d.getElementsByTagName('body')[0]).appendChild(s); + } + else { + d.write('<div id="comments_thread">Comments are disabled for this page at the moment.<\/div>'); + } +})(window, document); +//--><!]]></script></div><div id="footer"> +<p class="apache">Copyright 2019 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> +<p class="menu"><a href="../mod/">Modules</a> | <a href="../mod/directives.html">Directives</a> | <a href="http://wiki.apache.org/httpd/FAQ">FAQ</a> | <a href="../glossary.html">Glossary</a> | <a href="../sitemap.html">Sitemap</a></p></div><script type="text/javascript"><!--//--><![CDATA[//><!-- +if (typeof(prettyPrint) !== 'undefined') { + prettyPrint(); +} +//--><!]]></script> +</body></html>
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