Imported Upstream version 1.64.0
[platform/upstream/boost.git] / doc / html / boost / interprocess / xsi_shared_memory.html
index 0c98236..b616d62 100644 (file)
 <span class="keyword">class</span> <a class="link" href="xsi_shared_memory.html" title="Class xsi_shared_memory">xsi_shared_memory</a> <span class="special">{</span>
 <span class="keyword">public</span><span class="special">:</span>
   <span class="comment">// <a class="link" href="xsi_shared_memory.html#boost.interprocess.xsi_shared_memoryconstruct-copy-destruct">construct/copy/destruct</a></span>
-  <a class="link" href="xsi_shared_memory.html#idp48798784-bb"><span class="identifier">xsi_shared_memory</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span>
-  <a class="link" href="xsi_shared_memory.html#idp48800256-bb"><span class="identifier">xsi_shared_memory</span></a><span class="special">(</span><a class="link" href="open_only_t.html" title="Struct open_only_t">open_only_t</a><span class="special">,</span> <span class="keyword">int</span><span class="special">)</span><span class="special">;</span>
-  <a class="link" href="xsi_shared_memory.html#idp48802608-bb"><span class="identifier">xsi_shared_memory</span></a><span class="special">(</span><a class="link" href="create_only_t.html" title="Struct create_only_t">create_only_t</a><span class="special">,</span> <span class="keyword">const</span> <a class="link" href="xsi_key.html" title="Class xsi_key">xsi_key</a> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span><span class="special">,</span> 
+  <a class="link" href="xsi_shared_memory.html#idp45985472-bb"><span class="identifier">xsi_shared_memory</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span>
+  <a class="link" href="xsi_shared_memory.html#idp45986944-bb"><span class="identifier">xsi_shared_memory</span></a><span class="special">(</span><a class="link" href="open_only_t.html" title="Struct open_only_t">open_only_t</a><span class="special">,</span> <span class="keyword">int</span><span class="special">)</span><span class="special">;</span>
+  <a class="link" href="xsi_shared_memory.html#idp45989296-bb"><span class="identifier">xsi_shared_memory</span></a><span class="special">(</span><a class="link" href="create_only_t.html" title="Struct create_only_t">create_only_t</a><span class="special">,</span> <span class="keyword">const</span> <a class="link" href="xsi_key.html" title="Class xsi_key">xsi_key</a> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span><span class="special">,</span> 
                     <span class="keyword">const</span> <a class="link" href="permissions.html" title="Class permissions">permissions</a> <span class="special">&amp;</span> <span class="special">=</span> <a class="link" href="permissions.html" title="Class permissions">permissions</a><span class="special">(</span><span class="special">)</span><span class="special">)</span><span class="special">;</span>
-  <a class="link" href="xsi_shared_memory.html#idp48808080-bb"><span class="identifier">xsi_shared_memory</span></a><span class="special">(</span><a class="link" href="open_or_create_t.html" title="Struct open_or_create_t">open_or_create_t</a><span class="special">,</span> <span class="keyword">const</span> <a class="link" href="xsi_key.html" title="Class xsi_key">xsi_key</a> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span><span class="special">,</span> 
+  <a class="link" href="xsi_shared_memory.html#idp45994768-bb"><span class="identifier">xsi_shared_memory</span></a><span class="special">(</span><a class="link" href="open_or_create_t.html" title="Struct open_or_create_t">open_or_create_t</a><span class="special">,</span> <span class="keyword">const</span> <a class="link" href="xsi_key.html" title="Class xsi_key">xsi_key</a> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span><span class="special">,</span> 
                     <span class="keyword">const</span> <a class="link" href="permissions.html" title="Class permissions">permissions</a> <span class="special">&amp;</span> <span class="special">=</span> <a class="link" href="permissions.html" title="Class permissions">permissions</a><span class="special">(</span><span class="special">)</span><span class="special">)</span><span class="special">;</span>
-  <a class="link" href="xsi_shared_memory.html#idp48813568-bb"><span class="identifier">xsi_shared_memory</span></a><span class="special">(</span><a class="link" href="open_only_t.html" title="Struct open_only_t">open_only_t</a><span class="special">,</span> <span class="keyword">const</span> <a class="link" href="xsi_key.html" title="Class xsi_key">xsi_key</a> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
-  <a class="link" href="xsi_shared_memory.html#idp48816336-bb"><span class="identifier">xsi_shared_memory</span></a><span class="special">(</span><a class="link" href="xsi_shared_memory.html" title="Class xsi_shared_memory">xsi_shared_memory</a> <span class="special">&amp;&amp;</span><span class="special">)</span><span class="special">;</span>
-  <a class="link" href="xsi_shared_memory.html" title="Class xsi_shared_memory">xsi_shared_memory</a> <span class="special">&amp;</span> <a class="link" href="xsi_shared_memory.html#idp48818144-bb"><span class="keyword">operator</span><span class="special">=</span></a><span class="special">(</span><a class="link" href="xsi_shared_memory.html" title="Class xsi_shared_memory">xsi_shared_memory</a> <span class="special">&amp;&amp;</span><span class="special">)</span><span class="special">;</span>
-  <a class="link" href="xsi_shared_memory.html#idp48820512-bb"><span class="special">~</span><span class="identifier">xsi_shared_memory</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span>
+  <a class="link" href="xsi_shared_memory.html#idp46000256-bb"><span class="identifier">xsi_shared_memory</span></a><span class="special">(</span><a class="link" href="open_only_t.html" title="Struct open_only_t">open_only_t</a><span class="special">,</span> <span class="keyword">const</span> <a class="link" href="xsi_key.html" title="Class xsi_key">xsi_key</a> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
+  <a class="link" href="xsi_shared_memory.html#idp46003024-bb"><span class="identifier">xsi_shared_memory</span></a><span class="special">(</span><a class="link" href="xsi_shared_memory.html" title="Class xsi_shared_memory">xsi_shared_memory</a> <span class="special">&amp;&amp;</span><span class="special">)</span><span class="special">;</span>
+  <a class="link" href="xsi_shared_memory.html" title="Class xsi_shared_memory">xsi_shared_memory</a> <span class="special">&amp;</span> <a class="link" href="xsi_shared_memory.html#idp46004832-bb"><span class="keyword">operator</span><span class="special">=</span></a><span class="special">(</span><a class="link" href="xsi_shared_memory.html" title="Class xsi_shared_memory">xsi_shared_memory</a> <span class="special">&amp;&amp;</span><span class="special">)</span><span class="special">;</span>
+  <a class="link" href="xsi_shared_memory.html#idp46007200-bb"><span class="special">~</span><span class="identifier">xsi_shared_memory</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span>
 
-  <span class="comment">// <a class="link" href="xsi_shared_memory.html#idp48792768-bb">public member functions</a></span>
-  <span class="keyword">void</span> <a class="link" href="xsi_shared_memory.html#idp48793328-bb"><span class="identifier">swap</span></a><span class="special">(</span><a class="link" href="xsi_shared_memory.html" title="Class xsi_shared_memory">xsi_shared_memory</a> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
-  <span class="keyword">int</span> <a class="link" href="xsi_shared_memory.html#idp48795472-bb"><span class="identifier">get_shmid</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
-  <span class="identifier">mapping_handle_t</span> <a class="link" href="xsi_shared_memory.html#idp48797056-bb"><span class="identifier">get_mapping_handle</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
+  <span class="comment">// <a class="link" href="xsi_shared_memory.html#idp45979456-bb">public member functions</a></span>
+  <span class="keyword">void</span> <a class="link" href="xsi_shared_memory.html#idp45980016-bb"><span class="identifier">swap</span></a><span class="special">(</span><a class="link" href="xsi_shared_memory.html" title="Class xsi_shared_memory">xsi_shared_memory</a> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
+  <span class="keyword">int</span> <a class="link" href="xsi_shared_memory.html#idp45982160-bb"><span class="identifier">get_shmid</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
+  <span class="identifier">mapping_handle_t</span> <a class="link" href="xsi_shared_memory.html#idp45983744-bb"><span class="identifier">get_mapping_handle</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
 
-  <span class="comment">// <a class="link" href="xsi_shared_memory.html#idp48821328-bb">public static functions</a></span>
-  <span class="keyword">static</span> <span class="keyword">bool</span> <a class="link" href="xsi_shared_memory.html#idp48821888-bb"><span class="identifier">remove</span></a><span class="special">(</span><span class="keyword">int</span><span class="special">)</span><span class="special">;</span>
+  <span class="comment">// <a class="link" href="xsi_shared_memory.html#idp46008016-bb">public static functions</a></span>
+  <span class="keyword">static</span> <span class="keyword">bool</span> <a class="link" href="xsi_shared_memory.html#idp46008576-bb"><span class="identifier">remove</span></a><span class="special">(</span><span class="keyword">int</span><span class="special">)</span><span class="special">;</span>
 <span class="special">}</span><span class="special">;</span></pre></div>
 <div class="refsect1">
-<a name="idp388641872"></a><h2>Description</h2>
+<a name="idp293212896"></a><h2>Description</h2>
 <p>A class that wraps XSI (System V) shared memory. Unlike <a class="link" href="shared_memory_object.html" title="Class shared_memory_object">shared_memory_object</a>, <a class="link" href="xsi_shared_memory.html" title="Class xsi_shared_memory">xsi_shared_memory</a> needs a valid <a class="link" href="xsi_key.html" title="Class xsi_key">xsi_key</a> to identify a shared memory object.</p>
 <p>Warning: XSI shared memory and interprocess portable shared memory (<a class="link" href="shared_memory_object.html" title="Class shared_memory_object">boost::interprocess::shared_memory_object</a>) can't communicate between them. </p>
 <div class="refsect2">
-<a name="idp388646368"></a><h3>
+<a name="idp293217392"></a><h3>
 <a name="boost.interprocess.xsi_shared_memoryconstruct-copy-destruct"></a><code class="computeroutput">xsi_shared_memory</code> 
         public
        construct/copy/destruct</h3>
 <div class="orderedlist"><ol class="orderedlist" type="1">
 <li class="listitem">
-<pre class="literallayout"><a name="idp48798784-bb"></a><span class="identifier">xsi_shared_memory</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre>
+<pre class="literallayout"><a name="idp45985472-bb"></a><span class="identifier">xsi_shared_memory</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre>
 <p>Default constructor. Represents an empty <code class="computeroutput"><a class="link" href="xsi_shared_memory.html" title="Class xsi_shared_memory">xsi_shared_memory</a></code>. </p>
 </li>
 <li class="listitem">
-<pre class="literallayout"><a name="idp48800256-bb"></a><span class="identifier">xsi_shared_memory</span><span class="special">(</span><a class="link" href="open_only_t.html" title="Struct open_only_t">open_only_t</a><span class="special">,</span> <span class="keyword">int</span> shmid<span class="special">)</span><span class="special">;</span></pre>
+<pre class="literallayout"><a name="idp45986944-bb"></a><span class="identifier">xsi_shared_memory</span><span class="special">(</span><a class="link" href="open_only_t.html" title="Struct open_only_t">open_only_t</a><span class="special">,</span> <span class="keyword">int</span> shmid<span class="special">)</span><span class="special">;</span></pre>
 <p>Initializes *this with a shmid previously obtained (possibly from another process) This lower-level initializer allows shared memory mapping without having a key. </p>
 </li>
 <li class="listitem">
-<pre class="literallayout"><a name="idp48802608-bb"></a><span class="identifier">xsi_shared_memory</span><span class="special">(</span><a class="link" href="create_only_t.html" title="Struct create_only_t">create_only_t</a><span class="special">,</span> <span class="keyword">const</span> <a class="link" href="xsi_key.html" title="Class xsi_key">xsi_key</a> <span class="special">&amp;</span> key<span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span> size<span class="special">,</span> 
+<pre class="literallayout"><a name="idp45989296-bb"></a><span class="identifier">xsi_shared_memory</span><span class="special">(</span><a class="link" href="create_only_t.html" title="Struct create_only_t">create_only_t</a><span class="special">,</span> <span class="keyword">const</span> <a class="link" href="xsi_key.html" title="Class xsi_key">xsi_key</a> <span class="special">&amp;</span> key<span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span> size<span class="special">,</span> 
                   <span class="keyword">const</span> <a class="link" href="permissions.html" title="Class permissions">permissions</a> <span class="special">&amp;</span> perm <span class="special">=</span> <a class="link" href="permissions.html" title="Class permissions">permissions</a><span class="special">(</span><span class="special">)</span><span class="special">)</span><span class="special">;</span></pre>
 <p>Creates a new XSI shared memory from 'key', with size "size" and permissions "perm". If the shared memory previously exists, throws an error. </p>
 </li>
 <li class="listitem">
-<pre class="literallayout"><a name="idp48808080-bb"></a><span class="identifier">xsi_shared_memory</span><span class="special">(</span><a class="link" href="open_or_create_t.html" title="Struct open_or_create_t">open_or_create_t</a><span class="special">,</span> <span class="keyword">const</span> <a class="link" href="xsi_key.html" title="Class xsi_key">xsi_key</a> <span class="special">&amp;</span> key<span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span> size<span class="special">,</span> 
+<pre class="literallayout"><a name="idp45994768-bb"></a><span class="identifier">xsi_shared_memory</span><span class="special">(</span><a class="link" href="open_or_create_t.html" title="Struct open_or_create_t">open_or_create_t</a><span class="special">,</span> <span class="keyword">const</span> <a class="link" href="xsi_key.html" title="Class xsi_key">xsi_key</a> <span class="special">&amp;</span> key<span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span> size<span class="special">,</span> 
                   <span class="keyword">const</span> <a class="link" href="permissions.html" title="Class permissions">permissions</a> <span class="special">&amp;</span> perm <span class="special">=</span> <a class="link" href="permissions.html" title="Class permissions">permissions</a><span class="special">(</span><span class="special">)</span><span class="special">)</span><span class="special">;</span></pre>
 <p>Opens an existing shared memory with identifier 'key' or creates a new XSI shared memory from identifier 'key', with size "size" and permissions "perm". </p>
 </li>
 <li class="listitem">
-<pre class="literallayout"><a name="idp48813568-bb"></a><span class="identifier">xsi_shared_memory</span><span class="special">(</span><a class="link" href="open_only_t.html" title="Struct open_only_t">open_only_t</a><span class="special">,</span> <span class="keyword">const</span> <a class="link" href="xsi_key.html" title="Class xsi_key">xsi_key</a> <span class="special">&amp;</span> key<span class="special">)</span><span class="special">;</span></pre>
+<pre class="literallayout"><a name="idp46000256-bb"></a><span class="identifier">xsi_shared_memory</span><span class="special">(</span><a class="link" href="open_only_t.html" title="Struct open_only_t">open_only_t</a><span class="special">,</span> <span class="keyword">const</span> <a class="link" href="xsi_key.html" title="Class xsi_key">xsi_key</a> <span class="special">&amp;</span> key<span class="special">)</span><span class="special">;</span></pre>
 <p>Tries to open a XSI shared memory with identifier 'key' If the shared memory does not previously exist, it throws an error. </p>
 </li>
 <li class="listitem">
-<pre class="literallayout"><a name="idp48816336-bb"></a><span class="identifier">xsi_shared_memory</span><span class="special">(</span><a class="link" href="xsi_shared_memory.html" title="Class xsi_shared_memory">xsi_shared_memory</a> <span class="special">&amp;&amp;</span> moved<span class="special">)</span><span class="special">;</span></pre>
+<pre class="literallayout"><a name="idp46003024-bb"></a><span class="identifier">xsi_shared_memory</span><span class="special">(</span><a class="link" href="xsi_shared_memory.html" title="Class xsi_shared_memory">xsi_shared_memory</a> <span class="special">&amp;&amp;</span> moved<span class="special">)</span><span class="special">;</span></pre>
 <p>Moves the ownership of "moved"'s shared memory object to *this. After the call, "moved" does not represent any shared memory object. Does not throw </p>
 </li>
 <li class="listitem">
-<pre class="literallayout"><a class="link" href="xsi_shared_memory.html" title="Class xsi_shared_memory">xsi_shared_memory</a> <span class="special">&amp;</span> <a name="idp48818144-bb"></a><span class="keyword">operator</span><span class="special">=</span><span class="special">(</span><a class="link" href="xsi_shared_memory.html" title="Class xsi_shared_memory">xsi_shared_memory</a> <span class="special">&amp;&amp;</span> moved<span class="special">)</span><span class="special">;</span></pre>
+<pre class="literallayout"><a class="link" href="xsi_shared_memory.html" title="Class xsi_shared_memory">xsi_shared_memory</a> <span class="special">&amp;</span> <a name="idp46004832-bb"></a><span class="keyword">operator</span><span class="special">=</span><span class="special">(</span><a class="link" href="xsi_shared_memory.html" title="Class xsi_shared_memory">xsi_shared_memory</a> <span class="special">&amp;&amp;</span> moved<span class="special">)</span><span class="special">;</span></pre>
 <p>Moves the ownership of "moved"'s shared memory to *this. After the call, "moved" does not represent any shared memory. Does not throw </p>
 </li>
 <li class="listitem">
-<pre class="literallayout"><a name="idp48820512-bb"></a><span class="special">~</span><span class="identifier">xsi_shared_memory</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre>
+<pre class="literallayout"><a name="idp46007200-bb"></a><span class="special">~</span><span class="identifier">xsi_shared_memory</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre>
 <p>Destroys *this. The shared memory won't be destroyed, just this connection to it. Use remove() to destroy the shared memory. </p>
 </li>
 </ol></div>
 </div>
 <div class="refsect2">
-<a name="idp388716080"></a><h3>
-<a name="idp48792768-bb"></a><code class="computeroutput">xsi_shared_memory</code> public member functions</h3>
+<a name="idp293287136"></a><h3>
+<a name="idp45979456-bb"></a><code class="computeroutput">xsi_shared_memory</code> public member functions</h3>
 <div class="orderedlist"><ol class="orderedlist" type="1">
 <li class="listitem">
-<pre class="literallayout"><span class="keyword">void</span> <a name="idp48793328-bb"></a><span class="identifier">swap</span><span class="special">(</span><a class="link" href="xsi_shared_memory.html" title="Class xsi_shared_memory">xsi_shared_memory</a> <span class="special">&amp;</span> other<span class="special">)</span><span class="special">;</span></pre>Swaps two xsi_shared_memorys. Does not throw. </li>
+<pre class="literallayout"><span class="keyword">void</span> <a name="idp45980016-bb"></a><span class="identifier">swap</span><span class="special">(</span><a class="link" href="xsi_shared_memory.html" title="Class xsi_shared_memory">xsi_shared_memory</a> <span class="special">&amp;</span> other<span class="special">)</span><span class="special">;</span></pre>Swaps two xsi_shared_memorys. Does not throw. </li>
 <li class="listitem">
-<pre class="literallayout"><span class="keyword">int</span> <a name="idp48795472-bb"></a><span class="identifier">get_shmid</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>
+<pre class="literallayout"><span class="keyword">int</span> <a name="idp45982160-bb"></a><span class="identifier">get_shmid</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>
 <p>Returns the shared memory ID that identifies the shared memory </p>
 </li>
 <li class="listitem">
-<pre class="literallayout"><span class="identifier">mapping_handle_t</span> <a name="idp48797056-bb"></a><span class="identifier">get_mapping_handle</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>
+<pre class="literallayout"><span class="identifier">mapping_handle_t</span> <a name="idp45983744-bb"></a><span class="identifier">get_mapping_handle</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>
 <p>Returns the mapping handle. Never throws </p>
 </li>
 </ol></div>
 </div>
 <div class="refsect2">
-<a name="idp388734944"></a><h3>
-<a name="idp48821328-bb"></a><code class="computeroutput">xsi_shared_memory</code> public static functions</h3>
+<a name="idp293306000"></a><h3>
+<a name="idp46008016-bb"></a><code class="computeroutput">xsi_shared_memory</code> public static functions</h3>
 <div class="orderedlist"><ol class="orderedlist" type="1"><li class="listitem">
-<pre class="literallayout"><span class="keyword">static</span> <span class="keyword">bool</span> <a name="idp48821888-bb"></a><span class="identifier">remove</span><span class="special">(</span><span class="keyword">int</span> shmid<span class="special">)</span><span class="special">;</span></pre>
+<pre class="literallayout"><span class="keyword">static</span> <span class="keyword">bool</span> <a name="idp46008576-bb"></a><span class="identifier">remove</span><span class="special">(</span><span class="keyword">int</span> shmid<span class="special">)</span><span class="special">;</span></pre>
 <p>Erases the XSI shared memory object identified by shmid from the system. Returns false on error. Never throws </p>
 </li></ol></div>
 </div>