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authorLeo Tenenbaum <pommicket@gmail.com>2018-08-20 21:12:06 -0400
committerLeo Tenenbaum <pommicket@gmail.com>2018-08-20 21:12:06 -0400
commit63e87c2d0c9d263f14c77b68f85c67d46ece82a9 (patch)
tree6260365cbf7d24f37d27669e8538227fcb72e243 /gtk+-mingw/share/gtk-doc/html/glib/glib-Asynchronous-Queues.html
parenta4460f6d9453bbd7e584937686449cef3e19f052 (diff)
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-<h2><span class="refentrytitle"><a name="glib-Asynchronous-Queues.top_of_page"></a>Asynchronous Queues</span></h2>
-<p>Asynchronous Queues — asynchronous communication between threads</p>
-</td>
-<td valign="top" align="right"></td>
-</tr></table></div>
-<div class="refsynopsisdiv">
-<a name="glib-Asynchronous-Queues.synopsis"></a><h2>Synopsis</h2>
-<pre class="synopsis">
-#include &lt;glib.h&gt;
-
- <a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue">GAsyncQueue</a>;
-<a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="returnvalue">GAsyncQueue</span></a> * <a class="link" href="glib-Asynchronous-Queues.html#g-async-queue-new" title="g_async_queue_new ()">g_async_queue_new</a> (<em class="parameter"><code><span class="type">void</span></code></em>);
-<a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="returnvalue">GAsyncQueue</span></a> * <a class="link" href="glib-Asynchronous-Queues.html#g-async-queue-new-full" title="g_async_queue_new_full ()">g_async_queue_new_full</a> (<em class="parameter"><code><a class="link" href="glib-Datasets.html#GDestroyNotify" title="GDestroyNotify ()"><span class="type">GDestroyNotify</span></a> item_free_func</code></em>);
-<a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="returnvalue">GAsyncQueue</span></a> * <a class="link" href="glib-Asynchronous-Queues.html#g-async-queue-ref" title="g_async_queue_ref ()">g_async_queue_ref</a> (<em class="parameter"><code><a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="type">GAsyncQueue</span></a> *queue</code></em>);
-<span class="returnvalue">void</span> <a class="link" href="glib-Asynchronous-Queues.html#g-async-queue-unref" title="g_async_queue_unref ()">g_async_queue_unref</a> (<em class="parameter"><code><a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="type">GAsyncQueue</span></a> *queue</code></em>);
-<span class="returnvalue">void</span> <a class="link" href="glib-Asynchronous-Queues.html#g-async-queue-push" title="g_async_queue_push ()">g_async_queue_push</a> (<em class="parameter"><code><a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="type">GAsyncQueue</span></a> *queue</code></em>,
- <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="type">gpointer</span></a> data</code></em>);
-<span class="returnvalue">void</span> <a class="link" href="glib-Asynchronous-Queues.html#g-async-queue-push-sorted" title="g_async_queue_push_sorted ()">g_async_queue_push_sorted</a> (<em class="parameter"><code><a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="type">GAsyncQueue</span></a> *queue</code></em>,
- <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="type">gpointer</span></a> data</code></em>,
- <em class="parameter"><code><a class="link" href="glib-Doubly-Linked-Lists.html#GCompareDataFunc" title="GCompareDataFunc ()"><span class="type">GCompareDataFunc</span></a> func</code></em>,
- <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="type">gpointer</span></a> user_data</code></em>);
-<a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="returnvalue">gpointer</span></a> <a class="link" href="glib-Asynchronous-Queues.html#g-async-queue-pop" title="g_async_queue_pop ()">g_async_queue_pop</a> (<em class="parameter"><code><a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="type">GAsyncQueue</span></a> *queue</code></em>);
-<a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="returnvalue">gpointer</span></a> <a class="link" href="glib-Asynchronous-Queues.html#g-async-queue-try-pop" title="g_async_queue_try_pop ()">g_async_queue_try_pop</a> (<em class="parameter"><code><a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="type">GAsyncQueue</span></a> *queue</code></em>);
-<a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="returnvalue">gpointer</span></a> <a class="link" href="glib-Asynchronous-Queues.html#g-async-queue-timeout-pop" title="g_async_queue_timeout_pop ()">g_async_queue_timeout_pop</a> (<em class="parameter"><code><a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="type">GAsyncQueue</span></a> *queue</code></em>,
- <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#guint64" title="guint64"><span class="type">guint64</span></a> timeout</code></em>);
-<a class="link" href="glib-Basic-Types.html#gint" title="gint"><span class="returnvalue">gint</span></a> <a class="link" href="glib-Asynchronous-Queues.html#g-async-queue-length" title="g_async_queue_length ()">g_async_queue_length</a> (<em class="parameter"><code><a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="type">GAsyncQueue</span></a> *queue</code></em>);
-<span class="returnvalue">void</span> <a class="link" href="glib-Asynchronous-Queues.html#g-async-queue-sort" title="g_async_queue_sort ()">g_async_queue_sort</a> (<em class="parameter"><code><a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="type">GAsyncQueue</span></a> *queue</code></em>,
- <em class="parameter"><code><a class="link" href="glib-Doubly-Linked-Lists.html#GCompareDataFunc" title="GCompareDataFunc ()"><span class="type">GCompareDataFunc</span></a> func</code></em>,
- <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="type">gpointer</span></a> user_data</code></em>);
-
-<span class="returnvalue">void</span> <a class="link" href="glib-Asynchronous-Queues.html#g-async-queue-lock" title="g_async_queue_lock ()">g_async_queue_lock</a> (<em class="parameter"><code><a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="type">GAsyncQueue</span></a> *queue</code></em>);
-<span class="returnvalue">void</span> <a class="link" href="glib-Asynchronous-Queues.html#g-async-queue-unlock" title="g_async_queue_unlock ()">g_async_queue_unlock</a> (<em class="parameter"><code><a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="type">GAsyncQueue</span></a> *queue</code></em>);
-<span class="returnvalue">void</span> <a class="link" href="glib-Asynchronous-Queues.html#g-async-queue-ref-unlocked" title="g_async_queue_ref_unlocked ()">g_async_queue_ref_unlocked</a> (<em class="parameter"><code><a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="type">GAsyncQueue</span></a> *queue</code></em>);
-<span class="returnvalue">void</span> <a class="link" href="glib-Asynchronous-Queues.html#g-async-queue-unref-and-unlock" title="g_async_queue_unref_and_unlock ()">g_async_queue_unref_and_unlock</a> (<em class="parameter"><code><a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="type">GAsyncQueue</span></a> *queue</code></em>);
-<span class="returnvalue">void</span> <a class="link" href="glib-Asynchronous-Queues.html#g-async-queue-push-unlocked" title="g_async_queue_push_unlocked ()">g_async_queue_push_unlocked</a> (<em class="parameter"><code><a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="type">GAsyncQueue</span></a> *queue</code></em>,
- <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="type">gpointer</span></a> data</code></em>);
-<span class="returnvalue">void</span> <a class="link" href="glib-Asynchronous-Queues.html#g-async-queue-push-sorted-unlocked" title="g_async_queue_push_sorted_unlocked ()">g_async_queue_push_sorted_unlocked</a> (<em class="parameter"><code><a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="type">GAsyncQueue</span></a> *queue</code></em>,
- <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="type">gpointer</span></a> data</code></em>,
- <em class="parameter"><code><a class="link" href="glib-Doubly-Linked-Lists.html#GCompareDataFunc" title="GCompareDataFunc ()"><span class="type">GCompareDataFunc</span></a> func</code></em>,
- <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="type">gpointer</span></a> user_data</code></em>);
-<a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="returnvalue">gpointer</span></a> <a class="link" href="glib-Asynchronous-Queues.html#g-async-queue-pop-unlocked" title="g_async_queue_pop_unlocked ()">g_async_queue_pop_unlocked</a> (<em class="parameter"><code><a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="type">GAsyncQueue</span></a> *queue</code></em>);
-<a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="returnvalue">gpointer</span></a> <a class="link" href="glib-Asynchronous-Queues.html#g-async-queue-try-pop-unlocked" title="g_async_queue_try_pop_unlocked ()">g_async_queue_try_pop_unlocked</a> (<em class="parameter"><code><a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="type">GAsyncQueue</span></a> *queue</code></em>);
-<a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="returnvalue">gpointer</span></a> <a class="link" href="glib-Asynchronous-Queues.html#g-async-queue-timeout-pop-unlocked" title="g_async_queue_timeout_pop_unlocked ()">g_async_queue_timeout_pop_unlocked</a> (<em class="parameter"><code><a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="type">GAsyncQueue</span></a> *queue</code></em>,
- <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#guint64" title="guint64"><span class="type">guint64</span></a> timeout</code></em>);
-<a class="link" href="glib-Basic-Types.html#gint" title="gint"><span class="returnvalue">gint</span></a> <a class="link" href="glib-Asynchronous-Queues.html#g-async-queue-length-unlocked" title="g_async_queue_length_unlocked ()">g_async_queue_length_unlocked</a> (<em class="parameter"><code><a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="type">GAsyncQueue</span></a> *queue</code></em>);
-<span class="returnvalue">void</span> <a class="link" href="glib-Asynchronous-Queues.html#g-async-queue-sort-unlocked" title="g_async_queue_sort_unlocked ()">g_async_queue_sort_unlocked</a> (<em class="parameter"><code><a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="type">GAsyncQueue</span></a> *queue</code></em>,
- <em class="parameter"><code><a class="link" href="glib-Doubly-Linked-Lists.html#GCompareDataFunc" title="GCompareDataFunc ()"><span class="type">GCompareDataFunc</span></a> func</code></em>,
- <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="type">gpointer</span></a> user_data</code></em>);
-
-<a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="returnvalue">gpointer</span></a> <a class="link" href="glib-Asynchronous-Queues.html#g-async-queue-timed-pop" title="g_async_queue_timed_pop ()">g_async_queue_timed_pop</a> (<em class="parameter"><code><a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="type">GAsyncQueue</span></a> *queue</code></em>,
- <em class="parameter"><code><a class="link" href="glib-Date-and-Time-Functions.html#GTimeVal" title="struct GTimeVal"><span class="type">GTimeVal</span></a> *end_time</code></em>);
-<a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="returnvalue">gpointer</span></a> <a class="link" href="glib-Asynchronous-Queues.html#g-async-queue-timed-pop-unlocked" title="g_async_queue_timed_pop_unlocked ()">g_async_queue_timed_pop_unlocked</a> (<em class="parameter"><code><a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="type">GAsyncQueue</span></a> *queue</code></em>,
- <em class="parameter"><code><a class="link" href="glib-Date-and-Time-Functions.html#GTimeVal" title="struct GTimeVal"><span class="type">GTimeVal</span></a> *end_time</code></em>);
-</pre>
-</div>
-<div class="refsect1">
-<a name="glib-Asynchronous-Queues.description"></a><h2>Description</h2>
-<p>
-Often you need to communicate between different threads. In general
-it's safer not to do this by shared memory, but by explicit message
-passing. These messages only make sense asynchronously for
-multi-threaded applications though, as a synchronous operation could
-as well be done in the same thread.
-</p>
-<p>
-Asynchronous queues are an exception from most other GLib data
-structures, as they can be used simultaneously from multiple threads
-without explicit locking and they bring their own builtin reference
-counting. This is because the nature of an asynchronous queue is that
-it will always be used by at least 2 concurrent threads.
-</p>
-<p>
-For using an asynchronous queue you first have to create one with
-<a class="link" href="glib-Asynchronous-Queues.html#g-async-queue-new" title="g_async_queue_new ()"><code class="function">g_async_queue_new()</code></a>. <a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="type">GAsyncQueue</span></a> structs are reference counted,
-use <a class="link" href="glib-Asynchronous-Queues.html#g-async-queue-ref" title="g_async_queue_ref ()"><code class="function">g_async_queue_ref()</code></a> and <a class="link" href="glib-Asynchronous-Queues.html#g-async-queue-unref" title="g_async_queue_unref ()"><code class="function">g_async_queue_unref()</code></a> to manage your
-references.
-</p>
-<p>
-A thread which wants to send a message to that queue simply calls
-<a class="link" href="glib-Asynchronous-Queues.html#g-async-queue-push" title="g_async_queue_push ()"><code class="function">g_async_queue_push()</code></a> to push the message to the queue.
-</p>
-<p>
-A thread which is expecting messages from an asynchronous queue
-simply calls <a class="link" href="glib-Asynchronous-Queues.html#g-async-queue-pop" title="g_async_queue_pop ()"><code class="function">g_async_queue_pop()</code></a> for that queue. If no message is
-available in the queue at that point, the thread is now put to sleep
-until a message arrives. The message will be removed from the queue
-and returned. The functions <a class="link" href="glib-Asynchronous-Queues.html#g-async-queue-try-pop" title="g_async_queue_try_pop ()"><code class="function">g_async_queue_try_pop()</code></a> and
-<a class="link" href="glib-Asynchronous-Queues.html#g-async-queue-timeout-pop" title="g_async_queue_timeout_pop ()"><code class="function">g_async_queue_timeout_pop()</code></a> can be used to only check for the presence
-of messages or to only wait a certain time for messages respectively.
-</p>
-<p>
-For almost every function there exist two variants, one that locks
-the queue and one that doesn't. That way you can hold the queue lock
-(acquire it with <a class="link" href="glib-Asynchronous-Queues.html#g-async-queue-lock" title="g_async_queue_lock ()"><code class="function">g_async_queue_lock()</code></a> and release it with
-<a class="link" href="glib-Asynchronous-Queues.html#g-async-queue-unlock" title="g_async_queue_unlock ()"><code class="function">g_async_queue_unlock()</code></a>) over multiple queue accessing instructions.
-This can be necessary to ensure the integrity of the queue, but should
-only be used when really necessary, as it can make your life harder
-if used unwisely. Normally you should only use the locking function
-variants (those without the _unlocked suffix).
-</p>
-<p>
-In many cases, it may be more convenient to use <a class="link" href="glib-Thread-Pools.html#GThreadPool" title="struct GThreadPool"><span class="type">GThreadPool</span></a> when
-you need to distribute work to a set of worker threads instead of
-using <a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="type">GAsyncQueue</span></a> manually. <a class="link" href="glib-Thread-Pools.html#GThreadPool" title="struct GThreadPool"><span class="type">GThreadPool</span></a> uses a GAsyncQueue
-internally.
-</p>
-</div>
-<div class="refsect1">
-<a name="glib-Asynchronous-Queues.details"></a><h2>Details</h2>
-<div class="refsect2">
-<a name="GAsyncQueue"></a><h3>GAsyncQueue</h3>
-<pre class="programlisting">typedef struct _GAsyncQueue GAsyncQueue;</pre>
-<p>
-The GAsyncQueue struct is an opaque data structure which represents
-an asynchronous queue. It should only be accessed through the
-<code class="function">g_async_queue_*</code> functions.
-</p>
-</div>
-<hr>
-<div class="refsect2">
-<a name="g-async-queue-new"></a><h3>g_async_queue_new ()</h3>
-<pre class="programlisting"><a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="returnvalue">GAsyncQueue</span></a> * g_async_queue_new (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
-<p>
-Creates a new asynchronous queue.
-</p>
-<div class="variablelist"><table border="0">
-<col align="left" valign="top">
-<tbody><tr>
-<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
-<td>a new <a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="type">GAsyncQueue</span></a>. Free with <a class="link" href="glib-Asynchronous-Queues.html#g-async-queue-unref" title="g_async_queue_unref ()"><code class="function">g_async_queue_unref()</code></a>
-</td>
-</tr></tbody>
-</table></div>
-</div>
-<hr>
-<div class="refsect2">
-<a name="g-async-queue-new-full"></a><h3>g_async_queue_new_full ()</h3>
-<pre class="programlisting"><a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="returnvalue">GAsyncQueue</span></a> * g_async_queue_new_full (<em class="parameter"><code><a class="link" href="glib-Datasets.html#GDestroyNotify" title="GDestroyNotify ()"><span class="type">GDestroyNotify</span></a> item_free_func</code></em>);</pre>
-<p>
-Creates a new asynchronous queue and sets up a destroy notify
-function that is used to free any remaining queue items when
-the queue is destroyed after the final unref.
-</p>
-<div class="variablelist"><table border="0">
-<col align="left" valign="top">
-<tbody>
-<tr>
-<td><p><span class="term"><em class="parameter"><code>item_free_func</code></em> :</span></p></td>
-<td>function to free queue elements</td>
-</tr>
-<tr>
-<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
-<td>a new <a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="type">GAsyncQueue</span></a>. Free with <a class="link" href="glib-Asynchronous-Queues.html#g-async-queue-unref" title="g_async_queue_unref ()"><code class="function">g_async_queue_unref()</code></a>
-</td>
-</tr>
-</tbody>
-</table></div>
-<p class="since">Since 2.16</p>
-</div>
-<hr>
-<div class="refsect2">
-<a name="g-async-queue-ref"></a><h3>g_async_queue_ref ()</h3>
-<pre class="programlisting"><a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="returnvalue">GAsyncQueue</span></a> * g_async_queue_ref (<em class="parameter"><code><a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="type">GAsyncQueue</span></a> *queue</code></em>);</pre>
-<p>
-Increases the reference count of the asynchronous <em class="parameter"><code>queue</code></em> by 1.
-You do not need to hold the lock to call this function.
-</p>
-<div class="variablelist"><table border="0">
-<col align="left" valign="top">
-<tbody>
-<tr>
-<td><p><span class="term"><em class="parameter"><code>queue</code></em> :</span></p></td>
-<td>a <a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="type">GAsyncQueue</span></a>
-</td>
-</tr>
-<tr>
-<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
-<td>the <em class="parameter"><code>queue</code></em> that was passed in (since 2.6)</td>
-</tr>
-</tbody>
-</table></div>
-</div>
-<hr>
-<div class="refsect2">
-<a name="g-async-queue-unref"></a><h3>g_async_queue_unref ()</h3>
-<pre class="programlisting"><span class="returnvalue">void</span> g_async_queue_unref (<em class="parameter"><code><a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="type">GAsyncQueue</span></a> *queue</code></em>);</pre>
-<p>
-Decreases the reference count of the asynchronous <em class="parameter"><code>queue</code></em> by 1.
-</p>
-<p>
-If the reference count went to 0, the <em class="parameter"><code>queue</code></em> will be destroyed
-and the memory allocated will be freed. So you are not allowed
-to use the <em class="parameter"><code>queue</code></em> afterwards, as it might have disappeared.
-You do not need to hold the lock to call this function.
-</p>
-<div class="variablelist"><table border="0">
-<col align="left" valign="top">
-<tbody><tr>
-<td><p><span class="term"><em class="parameter"><code>queue</code></em> :</span></p></td>
-<td>a <a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="type">GAsyncQueue</span></a>.</td>
-</tr></tbody>
-</table></div>
-</div>
-<hr>
-<div class="refsect2">
-<a name="g-async-queue-push"></a><h3>g_async_queue_push ()</h3>
-<pre class="programlisting"><span class="returnvalue">void</span> g_async_queue_push (<em class="parameter"><code><a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="type">GAsyncQueue</span></a> *queue</code></em>,
- <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="type">gpointer</span></a> data</code></em>);</pre>
-<p>
-Pushes the <em class="parameter"><code>data</code></em> into the <em class="parameter"><code>queue</code></em>. <em class="parameter"><code>data</code></em> must not be <a class="link" href="glib-Standard-Macros.html#NULL:CAPS" title="NULL"><code class="literal">NULL</code></a>.
-</p>
-<div class="variablelist"><table border="0">
-<col align="left" valign="top">
-<tbody>
-<tr>
-<td><p><span class="term"><em class="parameter"><code>queue</code></em> :</span></p></td>
-<td>a <a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="type">GAsyncQueue</span></a>
-</td>
-</tr>
-<tr>
-<td><p><span class="term"><em class="parameter"><code>data</code></em> :</span></p></td>
-<td>
-<em class="parameter"><code>data</code></em> to push into the <em class="parameter"><code>queue</code></em>
-</td>
-</tr>
-</tbody>
-</table></div>
-</div>
-<hr>
-<div class="refsect2">
-<a name="g-async-queue-push-sorted"></a><h3>g_async_queue_push_sorted ()</h3>
-<pre class="programlisting"><span class="returnvalue">void</span> g_async_queue_push_sorted (<em class="parameter"><code><a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="type">GAsyncQueue</span></a> *queue</code></em>,
- <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="type">gpointer</span></a> data</code></em>,
- <em class="parameter"><code><a class="link" href="glib-Doubly-Linked-Lists.html#GCompareDataFunc" title="GCompareDataFunc ()"><span class="type">GCompareDataFunc</span></a> func</code></em>,
- <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="type">gpointer</span></a> user_data</code></em>);</pre>
-<p>
-Inserts <em class="parameter"><code>data</code></em> into <em class="parameter"><code>queue</code></em> using <em class="parameter"><code>func</code></em> to determine the new
-position.
-</p>
-<p>
-This function requires that the <em class="parameter"><code>queue</code></em> is sorted before pushing on
-new elements, see <a class="link" href="glib-Asynchronous-Queues.html#g-async-queue-sort" title="g_async_queue_sort ()"><code class="function">g_async_queue_sort()</code></a>.
-</p>
-<p>
-This function will lock <em class="parameter"><code>queue</code></em> before it sorts the queue and unlock
-it when it is finished.
-</p>
-<p>
-For an example of <em class="parameter"><code>func</code></em> see <a class="link" href="glib-Asynchronous-Queues.html#g-async-queue-sort" title="g_async_queue_sort ()"><code class="function">g_async_queue_sort()</code></a>.
-</p>
-<div class="variablelist"><table border="0">
-<col align="left" valign="top">
-<tbody>
-<tr>
-<td><p><span class="term"><em class="parameter"><code>queue</code></em> :</span></p></td>
-<td>a <a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="type">GAsyncQueue</span></a>
-</td>
-</tr>
-<tr>
-<td><p><span class="term"><em class="parameter"><code>data</code></em> :</span></p></td>
-<td>the <em class="parameter"><code>data</code></em> to push into the <em class="parameter"><code>queue</code></em>
-</td>
-</tr>
-<tr>
-<td><p><span class="term"><em class="parameter"><code>func</code></em> :</span></p></td>
-<td>the <a class="link" href="glib-Doubly-Linked-Lists.html#GCompareDataFunc" title="GCompareDataFunc ()"><span class="type">GCompareDataFunc</span></a> is used to sort <em class="parameter"><code>queue</code></em>
-</td>
-</tr>
-<tr>
-<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
-<td>user data passed to <em class="parameter"><code>func</code></em>.</td>
-</tr>
-</tbody>
-</table></div>
-<p class="since">Since 2.10</p>
-</div>
-<hr>
-<div class="refsect2">
-<a name="g-async-queue-pop"></a><h3>g_async_queue_pop ()</h3>
-<pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="returnvalue">gpointer</span></a> g_async_queue_pop (<em class="parameter"><code><a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="type">GAsyncQueue</span></a> *queue</code></em>);</pre>
-<p>
-Pops data from the <em class="parameter"><code>queue</code></em>. If <em class="parameter"><code>queue</code></em> is empty, this function
-blocks until data becomes available.
-</p>
-<div class="variablelist"><table border="0">
-<col align="left" valign="top">
-<tbody>
-<tr>
-<td><p><span class="term"><em class="parameter"><code>queue</code></em> :</span></p></td>
-<td>a <a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="type">GAsyncQueue</span></a>
-</td>
-</tr>
-<tr>
-<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
-<td>data from the queue</td>
-</tr>
-</tbody>
-</table></div>
-</div>
-<hr>
-<div class="refsect2">
-<a name="g-async-queue-try-pop"></a><h3>g_async_queue_try_pop ()</h3>
-<pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="returnvalue">gpointer</span></a> g_async_queue_try_pop (<em class="parameter"><code><a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="type">GAsyncQueue</span></a> *queue</code></em>);</pre>
-<p>
-Tries to pop data from the <em class="parameter"><code>queue</code></em>. If no data is available,
-<a class="link" href="glib-Standard-Macros.html#NULL:CAPS" title="NULL"><code class="literal">NULL</code></a> is returned.
-</p>
-<div class="variablelist"><table border="0">
-<col align="left" valign="top">
-<tbody>
-<tr>
-<td><p><span class="term"><em class="parameter"><code>queue</code></em> :</span></p></td>
-<td>a <a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="type">GAsyncQueue</span></a>
-</td>
-</tr>
-<tr>
-<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
-<td>data from the queue or <a class="link" href="glib-Standard-Macros.html#NULL:CAPS" title="NULL"><code class="literal">NULL</code></a>, when no data is
-available immediately.</td>
-</tr>
-</tbody>
-</table></div>
-</div>
-<hr>
-<div class="refsect2">
-<a name="g-async-queue-timeout-pop"></a><h3>g_async_queue_timeout_pop ()</h3>
-<pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="returnvalue">gpointer</span></a> g_async_queue_timeout_pop (<em class="parameter"><code><a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="type">GAsyncQueue</span></a> *queue</code></em>,
- <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#guint64" title="guint64"><span class="type">guint64</span></a> timeout</code></em>);</pre>
-<p>
-Pops data from the <em class="parameter"><code>queue</code></em>. If the queue is empty, blocks for
-<em class="parameter"><code>timeout</code></em> microseconds, or until data becomes available.
-</p>
-<p>
-If no data is received before the timeout, <a class="link" href="glib-Standard-Macros.html#NULL:CAPS" title="NULL"><code class="literal">NULL</code></a> is returned.
-</p>
-<div class="variablelist"><table border="0">
-<col align="left" valign="top">
-<tbody>
-<tr>
-<td><p><span class="term"><em class="parameter"><code>queue</code></em> :</span></p></td>
-<td>a <a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="type">GAsyncQueue</span></a>
-</td>
-</tr>
-<tr>
-<td><p><span class="term"><em class="parameter"><code>timeout</code></em> :</span></p></td>
-<td>the number of microseconds to wait</td>
-</tr>
-<tr>
-<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
-<td>data from the queue or <a class="link" href="glib-Standard-Macros.html#NULL:CAPS" title="NULL"><code class="literal">NULL</code></a>, when no data is
-received before the timeout.</td>
-</tr>
-</tbody>
-</table></div>
-</div>
-<hr>
-<div class="refsect2">
-<a name="g-async-queue-length"></a><h3>g_async_queue_length ()</h3>
-<pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gint" title="gint"><span class="returnvalue">gint</span></a> g_async_queue_length (<em class="parameter"><code><a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="type">GAsyncQueue</span></a> *queue</code></em>);</pre>
-<p>
-Returns the length of the queue.
-</p>
-<p>
-Actually this function returns the number of data items in
-the queue minus the number of waiting threads, so a negative
-value means waiting threads, and a positive value means available
-entries in the <em class="parameter"><code>queue</code></em>. A return value of 0 could mean n entries
-in the queue and n threads waiting. This can happen due to locking
-of the queue or due to scheduling.
-</p>
-<div class="variablelist"><table border="0">
-<col align="left" valign="top">
-<tbody>
-<tr>
-<td><p><span class="term"><em class="parameter"><code>queue</code></em> :</span></p></td>
-<td>a <a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="type">GAsyncQueue</span></a>.</td>
-</tr>
-<tr>
-<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
-<td>the length of the <em class="parameter"><code>queue</code></em>
-</td>
-</tr>
-</tbody>
-</table></div>
-</div>
-<hr>
-<div class="refsect2">
-<a name="g-async-queue-sort"></a><h3>g_async_queue_sort ()</h3>
-<pre class="programlisting"><span class="returnvalue">void</span> g_async_queue_sort (<em class="parameter"><code><a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="type">GAsyncQueue</span></a> *queue</code></em>,
- <em class="parameter"><code><a class="link" href="glib-Doubly-Linked-Lists.html#GCompareDataFunc" title="GCompareDataFunc ()"><span class="type">GCompareDataFunc</span></a> func</code></em>,
- <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="type">gpointer</span></a> user_data</code></em>);</pre>
-<p>
-Sorts <em class="parameter"><code>queue</code></em> using <em class="parameter"><code>func</code></em>.
-</p>
-<p>
-The sort function <em class="parameter"><code>func</code></em> is passed two elements of the <em class="parameter"><code>queue</code></em>.
-It should return 0 if they are equal, a negative value if the
-first element should be higher in the <em class="parameter"><code>queue</code></em> or a positive value
-if the first element should be lower in the <em class="parameter"><code>queue</code></em> than the second
-element.
-</p>
-<p>
-This function will lock <em class="parameter"><code>queue</code></em> before it sorts the queue and unlock
-it when it is finished.
-</p>
-<p>
-If you were sorting a list of priority numbers to make sure the
-lowest priority would be at the top of the queue, you could use:
-</p>
-<div class="informalexample"><pre class="programlisting">
- gint32 id1;
- gint32 id2;
-
- id1 = GPOINTER_TO_INT (element1);
- id2 = GPOINTER_TO_INT (element2);
-
- return (id1 &gt; id2 ? +1 : id1 == id2 ? 0 : -1);
-</pre></div>
-<p>
-</p>
-<div class="variablelist"><table border="0">
-<col align="left" valign="top">
-<tbody>
-<tr>
-<td><p><span class="term"><em class="parameter"><code>queue</code></em> :</span></p></td>
-<td>a <a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="type">GAsyncQueue</span></a>
-</td>
-</tr>
-<tr>
-<td><p><span class="term"><em class="parameter"><code>func</code></em> :</span></p></td>
-<td>the <a class="link" href="glib-Doubly-Linked-Lists.html#GCompareDataFunc" title="GCompareDataFunc ()"><span class="type">GCompareDataFunc</span></a> is used to sort <em class="parameter"><code>queue</code></em>
-</td>
-</tr>
-<tr>
-<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
-<td>user data passed to <em class="parameter"><code>func</code></em>
-</td>
-</tr>
-</tbody>
-</table></div>
-<p class="since">Since 2.10</p>
-</div>
-<hr>
-<div class="refsect2">
-<a name="g-async-queue-lock"></a><h3>g_async_queue_lock ()</h3>
-<pre class="programlisting"><span class="returnvalue">void</span> g_async_queue_lock (<em class="parameter"><code><a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="type">GAsyncQueue</span></a> *queue</code></em>);</pre>
-<p>
-Acquires the <em class="parameter"><code>queue</code></em>'s lock. If another thread is already
-holding the lock, this call will block until the lock
-becomes available.
-</p>
-<p>
-Call <a class="link" href="glib-Asynchronous-Queues.html#g-async-queue-unlock" title="g_async_queue_unlock ()"><code class="function">g_async_queue_unlock()</code></a> to drop the lock again.
-</p>
-<p>
-While holding the lock, you can only call the
-<code class="function">g_async_queue_*_unlocked()</code> functions
-on <em class="parameter"><code>queue</code></em>. Otherwise, deadlock may occur.
-</p>
-<div class="variablelist"><table border="0">
-<col align="left" valign="top">
-<tbody><tr>
-<td><p><span class="term"><em class="parameter"><code>queue</code></em> :</span></p></td>
-<td>a <a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="type">GAsyncQueue</span></a>
-</td>
-</tr></tbody>
-</table></div>
-</div>
-<hr>
-<div class="refsect2">
-<a name="g-async-queue-unlock"></a><h3>g_async_queue_unlock ()</h3>
-<pre class="programlisting"><span class="returnvalue">void</span> g_async_queue_unlock (<em class="parameter"><code><a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="type">GAsyncQueue</span></a> *queue</code></em>);</pre>
-<p>
-Releases the queue's lock.
-</p>
-<p>
-Calling this function when you have not acquired
-the with <a class="link" href="glib-Asynchronous-Queues.html#g-async-queue-lock" title="g_async_queue_lock ()"><code class="function">g_async_queue_lock()</code></a> leads to undefined
-behaviour.
-</p>
-<div class="variablelist"><table border="0">
-<col align="left" valign="top">
-<tbody><tr>
-<td><p><span class="term"><em class="parameter"><code>queue</code></em> :</span></p></td>
-<td>a <a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="type">GAsyncQueue</span></a>
-</td>
-</tr></tbody>
-</table></div>
-</div>
-<hr>
-<div class="refsect2">
-<a name="g-async-queue-ref-unlocked"></a><h3>g_async_queue_ref_unlocked ()</h3>
-<pre class="programlisting"><span class="returnvalue">void</span> g_async_queue_ref_unlocked (<em class="parameter"><code><a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="type">GAsyncQueue</span></a> *queue</code></em>);</pre>
-<div class="warning" style="margin-left: 0.5in; margin-right: 0.5in;">
-<h3 class="title">Warning</h3>
-<p><code class="literal">g_async_queue_ref_unlocked</code> has been deprecated since version 2.8 and should not be used in newly-written code. Reference counting is done atomically.
-so <a class="link" href="glib-Asynchronous-Queues.html#g-async-queue-ref" title="g_async_queue_ref ()"><code class="function">g_async_queue_ref()</code></a> can be used regardless of the <em class="parameter"><code>queue</code></em>'s
-lock.</p>
-</div>
-<p>
-Increases the reference count of the asynchronous <em class="parameter"><code>queue</code></em> by 1.
-</p>
-<div class="variablelist"><table border="0">
-<col align="left" valign="top">
-<tbody><tr>
-<td><p><span class="term"><em class="parameter"><code>queue</code></em> :</span></p></td>
-<td>a <a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="type">GAsyncQueue</span></a>
-</td>
-</tr></tbody>
-</table></div>
-</div>
-<hr>
-<div class="refsect2">
-<a name="g-async-queue-unref-and-unlock"></a><h3>g_async_queue_unref_and_unlock ()</h3>
-<pre class="programlisting"><span class="returnvalue">void</span> g_async_queue_unref_and_unlock (<em class="parameter"><code><a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="type">GAsyncQueue</span></a> *queue</code></em>);</pre>
-<div class="warning" style="margin-left: 0.5in; margin-right: 0.5in;">
-<h3 class="title">Warning</h3>
-<p><code class="literal">g_async_queue_unref_and_unlock</code> has been deprecated since version 2.8 and should not be used in newly-written code. Reference counting is done atomically.
-so <a class="link" href="glib-Asynchronous-Queues.html#g-async-queue-unref" title="g_async_queue_unref ()"><code class="function">g_async_queue_unref()</code></a> can be used regardless of the <em class="parameter"><code>queue</code></em>'s
-lock.</p>
-</div>
-<p>
-Decreases the reference count of the asynchronous <em class="parameter"><code>queue</code></em> by 1
-and releases the lock. This function must be called while holding
-the <em class="parameter"><code>queue</code></em>'s lock. If the reference count went to 0, the <em class="parameter"><code>queue</code></em>
-will be destroyed and the memory allocated will be freed.
-</p>
-<div class="variablelist"><table border="0">
-<col align="left" valign="top">
-<tbody><tr>
-<td><p><span class="term"><em class="parameter"><code>queue</code></em> :</span></p></td>
-<td>a <a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="type">GAsyncQueue</span></a>
-</td>
-</tr></tbody>
-</table></div>
-</div>
-<hr>
-<div class="refsect2">
-<a name="g-async-queue-push-unlocked"></a><h3>g_async_queue_push_unlocked ()</h3>
-<pre class="programlisting"><span class="returnvalue">void</span> g_async_queue_push_unlocked (<em class="parameter"><code><a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="type">GAsyncQueue</span></a> *queue</code></em>,
- <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="type">gpointer</span></a> data</code></em>);</pre>
-<p>
-Pushes the <em class="parameter"><code>data</code></em> into the <em class="parameter"><code>queue</code></em>. <em class="parameter"><code>data</code></em> must not be <a class="link" href="glib-Standard-Macros.html#NULL:CAPS" title="NULL"><code class="literal">NULL</code></a>.
-</p>
-<p>
-This function must be called while holding the <em class="parameter"><code>queue</code></em>'s lock.
-</p>
-<div class="variablelist"><table border="0">
-<col align="left" valign="top">
-<tbody>
-<tr>
-<td><p><span class="term"><em class="parameter"><code>queue</code></em> :</span></p></td>
-<td>a <a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="type">GAsyncQueue</span></a>
-</td>
-</tr>
-<tr>
-<td><p><span class="term"><em class="parameter"><code>data</code></em> :</span></p></td>
-<td>
-<em class="parameter"><code>data</code></em> to push into the <em class="parameter"><code>queue</code></em>
-</td>
-</tr>
-</tbody>
-</table></div>
-</div>
-<hr>
-<div class="refsect2">
-<a name="g-async-queue-push-sorted-unlocked"></a><h3>g_async_queue_push_sorted_unlocked ()</h3>
-<pre class="programlisting"><span class="returnvalue">void</span> g_async_queue_push_sorted_unlocked (<em class="parameter"><code><a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="type">GAsyncQueue</span></a> *queue</code></em>,
- <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="type">gpointer</span></a> data</code></em>,
- <em class="parameter"><code><a class="link" href="glib-Doubly-Linked-Lists.html#GCompareDataFunc" title="GCompareDataFunc ()"><span class="type">GCompareDataFunc</span></a> func</code></em>,
- <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="type">gpointer</span></a> user_data</code></em>);</pre>
-<p>
-Inserts <em class="parameter"><code>data</code></em> into <em class="parameter"><code>queue</code></em> using <em class="parameter"><code>func</code></em> to determine the new
-position.
-</p>
-<p>
-The sort function <em class="parameter"><code>func</code></em> is passed two elements of the <em class="parameter"><code>queue</code></em>.
-It should return 0 if they are equal, a negative value if the
-first element should be higher in the <em class="parameter"><code>queue</code></em> or a positive value
-if the first element should be lower in the <em class="parameter"><code>queue</code></em> than the second
-element.
-</p>
-<p>
-This function requires that the <em class="parameter"><code>queue</code></em> is sorted before pushing on
-new elements, see <a class="link" href="glib-Asynchronous-Queues.html#g-async-queue-sort" title="g_async_queue_sort ()"><code class="function">g_async_queue_sort()</code></a>.
-</p>
-<p>
-This function must be called while holding the <em class="parameter"><code>queue</code></em>'s lock.
-</p>
-<p>
-For an example of <em class="parameter"><code>func</code></em> see <a class="link" href="glib-Asynchronous-Queues.html#g-async-queue-sort" title="g_async_queue_sort ()"><code class="function">g_async_queue_sort()</code></a>.
-</p>
-<div class="variablelist"><table border="0">
-<col align="left" valign="top">
-<tbody>
-<tr>
-<td><p><span class="term"><em class="parameter"><code>queue</code></em> :</span></p></td>
-<td>a <a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="type">GAsyncQueue</span></a>
-</td>
-</tr>
-<tr>
-<td><p><span class="term"><em class="parameter"><code>data</code></em> :</span></p></td>
-<td>the <em class="parameter"><code>data</code></em> to push into the <em class="parameter"><code>queue</code></em>
-</td>
-</tr>
-<tr>
-<td><p><span class="term"><em class="parameter"><code>func</code></em> :</span></p></td>
-<td>the <a class="link" href="glib-Doubly-Linked-Lists.html#GCompareDataFunc" title="GCompareDataFunc ()"><span class="type">GCompareDataFunc</span></a> is used to sort <em class="parameter"><code>queue</code></em>
-</td>
-</tr>
-<tr>
-<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
-<td>user data passed to <em class="parameter"><code>func</code></em>.</td>
-</tr>
-</tbody>
-</table></div>
-<p class="since">Since 2.10</p>
-</div>
-<hr>
-<div class="refsect2">
-<a name="g-async-queue-pop-unlocked"></a><h3>g_async_queue_pop_unlocked ()</h3>
-<pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="returnvalue">gpointer</span></a> g_async_queue_pop_unlocked (<em class="parameter"><code><a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="type">GAsyncQueue</span></a> *queue</code></em>);</pre>
-<p>
-Pops data from the <em class="parameter"><code>queue</code></em>. If <em class="parameter"><code>queue</code></em> is empty, this function
-blocks until data becomes available.
-</p>
-<p>
-This function must be called while holding the <em class="parameter"><code>queue</code></em>'s lock.
-</p>
-<div class="variablelist"><table border="0">
-<col align="left" valign="top">
-<tbody>
-<tr>
-<td><p><span class="term"><em class="parameter"><code>queue</code></em> :</span></p></td>
-<td>a <a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="type">GAsyncQueue</span></a>
-</td>
-</tr>
-<tr>
-<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
-<td>data from the queue.</td>
-</tr>
-</tbody>
-</table></div>
-</div>
-<hr>
-<div class="refsect2">
-<a name="g-async-queue-try-pop-unlocked"></a><h3>g_async_queue_try_pop_unlocked ()</h3>
-<pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="returnvalue">gpointer</span></a> g_async_queue_try_pop_unlocked (<em class="parameter"><code><a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="type">GAsyncQueue</span></a> *queue</code></em>);</pre>
-<p>
-Tries to pop data from the <em class="parameter"><code>queue</code></em>. If no data is available,
-<a class="link" href="glib-Standard-Macros.html#NULL:CAPS" title="NULL"><code class="literal">NULL</code></a> is returned.
-</p>
-<p>
-This function must be called while holding the <em class="parameter"><code>queue</code></em>'s lock.
-</p>
-<div class="variablelist"><table border="0">
-<col align="left" valign="top">
-<tbody>
-<tr>
-<td><p><span class="term"><em class="parameter"><code>queue</code></em> :</span></p></td>
-<td>a <a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="type">GAsyncQueue</span></a>
-</td>
-</tr>
-<tr>
-<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
-<td>data from the queue or <a class="link" href="glib-Standard-Macros.html#NULL:CAPS" title="NULL"><code class="literal">NULL</code></a>, when no data is
-available immediately.</td>
-</tr>
-</tbody>
-</table></div>
-</div>
-<hr>
-<div class="refsect2">
-<a name="g-async-queue-timeout-pop-unlocked"></a><h3>g_async_queue_timeout_pop_unlocked ()</h3>
-<pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="returnvalue">gpointer</span></a> g_async_queue_timeout_pop_unlocked (<em class="parameter"><code><a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="type">GAsyncQueue</span></a> *queue</code></em>,
- <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#guint64" title="guint64"><span class="type">guint64</span></a> timeout</code></em>);</pre>
-<p>
-Pops data from the <em class="parameter"><code>queue</code></em>. If the queue is empty, blocks for
-<em class="parameter"><code>timeout</code></em> microseconds, or until data becomes available.
-</p>
-<p>
-If no data is received before the timeout, <a class="link" href="glib-Standard-Macros.html#NULL:CAPS" title="NULL"><code class="literal">NULL</code></a> is returned.
-</p>
-<p>
-This function must be called while holding the <em class="parameter"><code>queue</code></em>'s lock.
-</p>
-<div class="variablelist"><table border="0">
-<col align="left" valign="top">
-<tbody>
-<tr>
-<td><p><span class="term"><em class="parameter"><code>queue</code></em> :</span></p></td>
-<td>a <a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="type">GAsyncQueue</span></a>
-</td>
-</tr>
-<tr>
-<td><p><span class="term"><em class="parameter"><code>timeout</code></em> :</span></p></td>
-<td>the number of microseconds to wait</td>
-</tr>
-<tr>
-<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
-<td>data from the queue or <a class="link" href="glib-Standard-Macros.html#NULL:CAPS" title="NULL"><code class="literal">NULL</code></a>, when no data is
-received before the timeout.</td>
-</tr>
-</tbody>
-</table></div>
-</div>
-<hr>
-<div class="refsect2">
-<a name="g-async-queue-length-unlocked"></a><h3>g_async_queue_length_unlocked ()</h3>
-<pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gint" title="gint"><span class="returnvalue">gint</span></a> g_async_queue_length_unlocked (<em class="parameter"><code><a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="type">GAsyncQueue</span></a> *queue</code></em>);</pre>
-<p>
-Returns the length of the queue.
-</p>
-<p>
-Actually this function returns the number of data items in
-the queue minus the number of waiting threads, so a negative
-value means waiting threads, and a positive value means available
-entries in the <em class="parameter"><code>queue</code></em>. A return value of 0 could mean n entries
-in the queue and n threads waiting. This can happen due to locking
-of the queue or due to scheduling.
-</p>
-<p>
-This function must be called while holding the <em class="parameter"><code>queue</code></em>'s lock.
-</p>
-<div class="variablelist"><table border="0">
-<col align="left" valign="top">
-<tbody>
-<tr>
-<td><p><span class="term"><em class="parameter"><code>queue</code></em> :</span></p></td>
-<td>a <a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="type">GAsyncQueue</span></a>
-</td>
-</tr>
-<tr>
-<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
-<td>the length of the <em class="parameter"><code>queue</code></em>.</td>
-</tr>
-</tbody>
-</table></div>
-</div>
-<hr>
-<div class="refsect2">
-<a name="g-async-queue-sort-unlocked"></a><h3>g_async_queue_sort_unlocked ()</h3>
-<pre class="programlisting"><span class="returnvalue">void</span> g_async_queue_sort_unlocked (<em class="parameter"><code><a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="type">GAsyncQueue</span></a> *queue</code></em>,
- <em class="parameter"><code><a class="link" href="glib-Doubly-Linked-Lists.html#GCompareDataFunc" title="GCompareDataFunc ()"><span class="type">GCompareDataFunc</span></a> func</code></em>,
- <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="type">gpointer</span></a> user_data</code></em>);</pre>
-<p>
-Sorts <em class="parameter"><code>queue</code></em> using <em class="parameter"><code>func</code></em>.
-</p>
-<p>
-The sort function <em class="parameter"><code>func</code></em> is passed two elements of the <em class="parameter"><code>queue</code></em>.
-It should return 0 if they are equal, a negative value if the
-first element should be higher in the <em class="parameter"><code>queue</code></em> or a positive value
-if the first element should be lower in the <em class="parameter"><code>queue</code></em> than the second
-element.
-</p>
-<p>
-This function must be called while holding the <em class="parameter"><code>queue</code></em>'s lock.
-</p>
-<div class="variablelist"><table border="0">
-<col align="left" valign="top">
-<tbody>
-<tr>
-<td><p><span class="term"><em class="parameter"><code>queue</code></em> :</span></p></td>
-<td>a <a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="type">GAsyncQueue</span></a>
-</td>
-</tr>
-<tr>
-<td><p><span class="term"><em class="parameter"><code>func</code></em> :</span></p></td>
-<td>the <a class="link" href="glib-Doubly-Linked-Lists.html#GCompareDataFunc" title="GCompareDataFunc ()"><span class="type">GCompareDataFunc</span></a> is used to sort <em class="parameter"><code>queue</code></em>
-</td>
-</tr>
-<tr>
-<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
-<td>user data passed to <em class="parameter"><code>func</code></em>
-</td>
-</tr>
-</tbody>
-</table></div>
-<p class="since">Since 2.10</p>
-</div>
-<hr>
-<div class="refsect2">
-<a name="g-async-queue-timed-pop"></a><h3>g_async_queue_timed_pop ()</h3>
-<pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="returnvalue">gpointer</span></a> g_async_queue_timed_pop (<em class="parameter"><code><a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="type">GAsyncQueue</span></a> *queue</code></em>,
- <em class="parameter"><code><a class="link" href="glib-Date-and-Time-Functions.html#GTimeVal" title="struct GTimeVal"><span class="type">GTimeVal</span></a> *end_time</code></em>);</pre>
-<div class="warning" style="margin-left: 0.5in; margin-right: 0.5in;">
-<h3 class="title">Warning</h3>
-<p><code class="literal">g_async_queue_timed_pop</code> is deprecated and should not be used in newly-written code. use <a class="link" href="glib-Asynchronous-Queues.html#g-async-queue-timeout-pop" title="g_async_queue_timeout_pop ()"><code class="function">g_async_queue_timeout_pop()</code></a>.</p>
-</div>
-<p>
-Pops data from the <em class="parameter"><code>queue</code></em>. If the queue is empty, blocks until
-<em class="parameter"><code>end_time</code></em> or until data becomes available.
-</p>
-<p>
-If no data is received before <em class="parameter"><code>end_time</code></em>, <a class="link" href="glib-Standard-Macros.html#NULL:CAPS" title="NULL"><code class="literal">NULL</code></a> is returned.
-</p>
-<p>
-To easily calculate <em class="parameter"><code>end_time</code></em>, a combination of <a class="link" href="glib-Date-and-Time-Functions.html#g-get-current-time" title="g_get_current_time ()"><code class="function">g_get_current_time()</code></a>
-and <a class="link" href="glib-Date-and-Time-Functions.html#g-time-val-add" title="g_time_val_add ()"><code class="function">g_time_val_add()</code></a> can be used.
-</p>
-<div class="variablelist"><table border="0">
-<col align="left" valign="top">
-<tbody>
-<tr>
-<td><p><span class="term"><em class="parameter"><code>queue</code></em> :</span></p></td>
-<td>a <a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="type">GAsyncQueue</span></a>
-</td>
-</tr>
-<tr>
-<td><p><span class="term"><em class="parameter"><code>end_time</code></em> :</span></p></td>
-<td>a <a class="link" href="glib-Date-and-Time-Functions.html#GTimeVal" title="struct GTimeVal"><span class="type">GTimeVal</span></a>, determining the final time</td>
-</tr>
-<tr>
-<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
-<td>data from the queue or <a class="link" href="glib-Standard-Macros.html#NULL:CAPS" title="NULL"><code class="literal">NULL</code></a>, when no data is
-received before <em class="parameter"><code>end_time</code></em>.</td>
-</tr>
-</tbody>
-</table></div>
-</div>
-<hr>
-<div class="refsect2">
-<a name="g-async-queue-timed-pop-unlocked"></a><h3>g_async_queue_timed_pop_unlocked ()</h3>
-<pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="returnvalue">gpointer</span></a> g_async_queue_timed_pop_unlocked (<em class="parameter"><code><a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="type">GAsyncQueue</span></a> *queue</code></em>,
- <em class="parameter"><code><a class="link" href="glib-Date-and-Time-Functions.html#GTimeVal" title="struct GTimeVal"><span class="type">GTimeVal</span></a> *end_time</code></em>);</pre>
-<div class="warning" style="margin-left: 0.5in; margin-right: 0.5in;">
-<h3 class="title">Warning</h3>
-<p><code class="literal">g_async_queue_timed_pop_unlocked</code> is deprecated and should not be used in newly-written code. use <a class="link" href="glib-Asynchronous-Queues.html#g-async-queue-timeout-pop-unlocked" title="g_async_queue_timeout_pop_unlocked ()"><code class="function">g_async_queue_timeout_pop_unlocked()</code></a>.</p>
-</div>
-<p>
-Pops data from the <em class="parameter"><code>queue</code></em>. If the queue is empty, blocks until
-<em class="parameter"><code>end_time</code></em> or until data becomes available.
-</p>
-<p>
-If no data is received before <em class="parameter"><code>end_time</code></em>, <a class="link" href="glib-Standard-Macros.html#NULL:CAPS" title="NULL"><code class="literal">NULL</code></a> is returned.
-</p>
-<p>
-To easily calculate <em class="parameter"><code>end_time</code></em>, a combination of <a class="link" href="glib-Date-and-Time-Functions.html#g-get-current-time" title="g_get_current_time ()"><code class="function">g_get_current_time()</code></a>
-and <a class="link" href="glib-Date-and-Time-Functions.html#g-time-val-add" title="g_time_val_add ()"><code class="function">g_time_val_add()</code></a> can be used.
-</p>
-<p>
-This function must be called while holding the <em class="parameter"><code>queue</code></em>'s lock.
-</p>
-<div class="variablelist"><table border="0">
-<col align="left" valign="top">
-<tbody>
-<tr>
-<td><p><span class="term"><em class="parameter"><code>queue</code></em> :</span></p></td>
-<td>a <a class="link" href="glib-Asynchronous-Queues.html#GAsyncQueue" title="GAsyncQueue"><span class="type">GAsyncQueue</span></a>
-</td>
-</tr>
-<tr>
-<td><p><span class="term"><em class="parameter"><code>end_time</code></em> :</span></p></td>
-<td>a <a class="link" href="glib-Date-and-Time-Functions.html#GTimeVal" title="struct GTimeVal"><span class="type">GTimeVal</span></a>, determining the final time</td>
-</tr>
-<tr>
-<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
-<td>data from the queue or <a class="link" href="glib-Standard-Macros.html#NULL:CAPS" title="NULL"><code class="literal">NULL</code></a>, when no data is
-received before <em class="parameter"><code>end_time</code></em>.</td>
-</tr>
-</tbody>
-</table></div>
-</div>
-</div>
-<div class="refsect1">
-<a name="glib-Asynchronous-Queues.see-also"></a><h2>See Also</h2>
-<a class="link" href="glib-Thread-Pools.html#GThreadPool" title="struct GThreadPool"><span class="type">GThreadPool</span></a>
-</div>
-</div>
-<div class="footer">
-<hr>
- Generated by GTK-Doc V1.18</div>
-</body>
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