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<link title="Netsmtp" rel="Chapter" href="Netsmtp.html"><title>Ocamlnet 2 Reference Manual : Netshm_array</title>
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<center><h1>Module <a href="type_Netshm_array.html">Netshm_array</a></h1></center>
<br>
<pre><span class="keyword">module</span> Netshm_array: <code class="code">sig</code> <a href="Netshm_array.html">..</a> <code class="code">end</code></pre>Arrays in shared memory<br>
<hr width="100%">
<pre><span class="keyword">type</span> <a name="TYPEt"></a><code class="type">'a</code> t </pre>
<pre><span class="keyword">val</span> <a name="VALmanage"></a>manage : <code class="type">?pagesize:int -><br> ?init:int -><br> 'a -><br> 'a <a href="Netshm_data.html#TYPEdata_manager">Netshm_data.data_manager</a> -><br> <a href="Netshm.html#TYPElocking_method">Netshm.locking_method</a> -> <a href="Netshm.html#TYPEshm_descr">Netshm.shm_descr</a> -> 'a <a href="Netshm_array.html#TYPEt">t</a></code></pre><div class="info">
Manages a shared memory object as an array,
including the representation of arbitrary O'Caml values.
The first argument of type <code class="code">'a</code> is the default value of the
array elements.
<p>
This bases on <code class="code">Netshm.manage</code>, and the arguments <code class="code">pagesize</code>,
<code class="code">locking_method</code> and <code class="code">shm_descr</code> are documented there.
<p>
If an empty memory object is managed, it is initialized as
array with zero elements. If a non-empty memory object is
managed, it must contain a valid array structure.
The size of the array is then the same as when the array
was managed the last time.
<p>
By passing <code class="code">init</code> with argument <code class="code">n</code>, the array is reinitialized as
array with <code class="code">n</code> elements containing the default value.
<p>
It is essential that the same data managers are passed as at the time
when the array was initialized.
<p>
Arrays are implemented as <code class="code">(int32, 'a) Netshm_hashtbl.t</code>.<br>
</div>
<pre><span class="keyword">val</span> <a name="VALlength"></a>length : <code class="type">'a <a href="Netshm_array.html#TYPEt">t</a> -> int</code></pre><div class="info">
Returns the length of the array<br>
</div>
<pre><span class="keyword">val</span> <a name="VALget"></a>get : <code class="type">'a <a href="Netshm_array.html#TYPEt">t</a> -> int -> 'a</code></pre><div class="info">
<code class="code">get a k</code>: Returns the contents of the array element number <code class="code">k</code> where
<code class="code">0 <= k < length a</code>.
<p>
If you do <code class="code">module Array = Netshm_array</code> in your code you can also
use the notation <code class="code">a.(k)</code>.<br>
</div>
<pre><span class="keyword">val</span> <a name="VALset"></a>set : <code class="type">'a <a href="Netshm_array.html#TYPEt">t</a> -> int -> 'a -> unit</code></pre><div class="info">
<code class="code">set a k x</code>: Sets the contents of the array element number <code class="code">k</code> to <code class="code">x</code>
where <code class="code">0 <= k < length a</code>.
<p>
If you do <code class="code">module Array = Netshm_array</code> in your code you can also
use the notation <code class="code">a.(k) <- x</code>.<br>
</div>
<pre><span class="keyword">val</span> <a name="VALresize"></a>resize : <code class="type">'a <a href="Netshm_array.html#TYPEt">t</a> -> int -> unit</code></pre><div class="info">
<code class="code">resize a n</code>: Resizes the array to length <code class="code">n</code>. If the array is enlarged
the new elements will be initialized to the default value.<br>
</div>
<pre><span class="keyword">val</span> <a name="VALdefault_value"></a>default_value : <code class="type">'a <a href="Netshm_array.html#TYPEt">t</a> -> 'a</code></pre><div class="info">
Returns the default value<br>
</div>
<pre><span class="keyword">val</span> <a name="VALshm_table"></a>shm_table : <code class="type">'a <a href="Netshm_array.html#TYPEt">t</a> -> <a href="Netshm.html#TYPEshm_table">Netshm.shm_table</a></code></pre><div class="info">
Returns the underlying shared memory table used to implement hash
tables<br>
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