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-<body class="manpage">
+<body>
<div id="header">
<h1>
zmq_socket(3) Manual Page
@@ -560,13 +580,10 @@ zmq_socket(3) Manual Page
</div>
</div>
<div id="content">
-<div class="sect1">
<h2 id="_synopsis">SYNOPSIS</h2>
<div class="sectionbody">
<div class="paragraph"><p><strong>void *zmq_socket (void <em>*context</em>, int <em>type</em>);</strong></p></div>
</div>
-</div>
-<div class="sect1">
<h2 id="_description">DESCRIPTION</h2>
<div class="sectionbody">
<div class="paragraph"><p>The <em>zmq_socket()</em> function shall create a ØMQ socket within the specified
@@ -600,12 +617,10 @@ from multiple threads except after migrating a socket from one thread to
another with a "full fence" memory barrier.</p></div>
<div class="paragraph"><div class="title">Socket types</div><p>The following sections present the socket types defined by ØMQ, grouped by the
general <em>messaging pattern</em> which is built from related socket types.</p></div>
-<div class="sect2">
-<h3 id="_request_reply_pattern">Request-reply pattern</h3>
+<h3 id="_request_reply_pattern">Request-reply pattern</h3><div style="clear:left"></div>
<div class="paragraph"><p>The request-reply pattern is used for sending requests from a <em>client</em> to one
or more instances of a <em>service</em>, and receiving subsequent replies to each
request sent.</p></div>
-<div class="sect3">
<h4 id="_zmq_req">ZMQ_REQ</h4>
<div class="paragraph"><p>A socket of type <em>ZMQ_REQ</em> is used by a <em>client</em> to send requests to and
receive replies from a <em>service</em>. This socket type allows only an alternating
@@ -685,8 +700,6 @@ Block
</td>
</tr>
</table></div>
-</div>
-<div class="sect3">
<h4 id="_zmq_rep">ZMQ_REP</h4>
<div class="paragraph"><p>A socket of type <em>ZMQ_REP</em> is used by a <em>service</em> to receive requests from and
send replies to a <em>client</em>. This socket type allows only an alternating
@@ -765,8 +778,6 @@ Drop
</td>
</tr>
</table></div>
-</div>
-<div class="sect3">
<h4 id="_zmq_dealer">ZMQ_DEALER</h4>
<div class="paragraph"><p>A socket of type <em>ZMQ_DEALER</em> is an advanced pattern used for extending
request/reply sockets. Each message sent is load-balanced among all connected
@@ -849,8 +860,6 @@ Block
</td>
</tr>
</table></div>
-</div>
-<div class="sect3">
<h4 id="_zmq_router">ZMQ_ROUTER</h4>
<div class="paragraph"><p>A socket of type <em>ZMQ_ROUTER</em> is an advanced pattern used for extending
request/reply sockets. When receiving messages a <em>ZMQ_ROUTER</em> socket shall
@@ -941,13 +950,9 @@ Drop
</td>
</tr>
</table></div>
-</div>
-</div>
-<div class="sect2">
-<h3 id="_publish_subscribe_pattern">Publish-subscribe pattern</h3>
+<h3 id="_publish_subscribe_pattern">Publish-subscribe pattern</h3><div style="clear:left"></div>
<div class="paragraph"><p>The publish-subscribe pattern is used for one-to-many distribution of data from
a single <em>publisher</em> to multiple <em>subscribers</em> in a fan out fashion.</p></div>
-<div class="sect3">
<h4 id="_zmq_pub">ZMQ_PUB</h4>
<div class="paragraph"><p>A socket of type <em>ZMQ_PUB</em> is used by a <em>publisher</em> to distribute data.
Messages sent are distributed in a fan out fashion to all connected peers.
@@ -1024,8 +1029,6 @@ Drop
</td>
</tr>
</table></div>
-</div>
-<div class="sect3">
<h4 id="_zmq_sub">ZMQ_SUB</h4>
<div class="paragraph"><p>A socket of type <em>ZMQ_SUB</em> is used by a <em>subscriber</em> to subscribe to data
distributed by a <em>publisher</em>. Initially a <em>ZMQ_SUB</em> socket is not subscribed to
@@ -1100,15 +1103,11 @@ Drop
</td>
</tr>
</table></div>
-</div>
-</div>
-<div class="sect2">
-<h3 id="_pipeline_pattern">Pipeline pattern</h3>
+<h3 id="_pipeline_pattern">Pipeline pattern</h3><div style="clear:left"></div>
<div class="paragraph"><p>The pipeline pattern is used for distributing data to <em>nodes</em> arranged in
a pipeline. Data always flows down the pipeline, and each stage of the pipeline
is connected to at least one <em>node</em>. When a pipeline stage is connected to
multiple <em>nodes</em> data is load-balanced among all connected <em>nodes</em>.</p></div>
-<div class="sect3">
<h4 id="_zmq_push">ZMQ_PUSH</h4>
<div class="paragraph"><p>A socket of type <em>ZMQ_PUSH</em> is used by a pipeline <em>node</em> to send messages
to downstream pipeline <em>nodes</em>. Messages are load-balanced to all connected
@@ -1188,8 +1187,6 @@ Block
</td>
</tr>
</table></div>
-</div>
-<div class="sect3">
<h4 id="_zmq_pull">ZMQ_PULL</h4>
<div class="paragraph"><p>A socket of type <em>ZMQ_PULL</em> is used by a pipeline <em>node</em> to receive messages
from upstream pipeline <em>nodes</em>. Messages are fair-queued from among all
@@ -1264,14 +1261,10 @@ N/A
</td>
</tr>
</table></div>
-</div>
-</div>
-<div class="sect2">
-<h3 id="_exclusive_pair_pattern">Exclusive pair pattern</h3>
+<h3 id="_exclusive_pair_pattern">Exclusive pair pattern</h3><div style="clear:left"></div>
<div class="paragraph"><p>The exclusive pair pattern is used to connect a peer to precisely one other
peer. This pattern is used for inter-thread communication across the inproc
transport.</p></div>
-<div class="sect3">
<h4 id="_zmq_pair">ZMQ_PAIR</h4>
<div class="paragraph"><p>A socket of type <em>ZMQ_PAIR</em> can only be connected to a single peer at any one
time. No message routing or filtering is performed on messages sent over a
@@ -1360,18 +1353,12 @@ Block
</tr>
</table></div>
</div>
-</div>
-</div>
-</div>
-<div class="sect1">
<h2 id="_return_value">RETURN VALUE</h2>
<div class="sectionbody">
<div class="paragraph"><p>The <em>zmq_socket()</em> function shall return an opaque handle to the newly created
socket if successful. Otherwise, it shall return NULL and set <em>errno</em> to one of
the values defined below.</p></div>
</div>
-</div>
-<div class="sect1">
<h2 id="_errors">ERRORS</h2>
<div class="sectionbody">
<div class="dlist"><dl>
@@ -1409,8 +1396,6 @@ The context specified was terminated.
</dd>
</dl></div>
</div>
-</div>
-<div class="sect1">
<h2 id="_see_also">SEE ALSO</h2>
<div class="sectionbody">
<div class="paragraph"><p><a href="zmq_init.html">zmq_init(3)</a>
@@ -1422,20 +1407,17 @@ The context specified was terminated.
<a href="zmq_inproc.html">zmq_inproc(7)</a>
<a href="zmq.html">zmq(7)</a></p></div>
</div>
-</div>
-<div class="sect1">
<h2 id="_authors">AUTHORS</h2>
<div class="sectionbody">
<div class="paragraph"><p>This ØMQ manual page was written by Martin Sustrik &lt;<a href="mailto:sustrik@250bpm.com">sustrik@250bpm.com</a>&gt; and
Martin Lucina &lt;<a href="mailto:mato@kotelna.sk">mato@kotelna.sk</a>&gt;.</p></div>
</div>
</div>
-</div>
<div id="footnotes"><hr /></div>
<div id="footer">
<div id="footer-text">
-ØMQ 2.1.9<br />
-Last updated 2011-07-30 17:22:16 CEST
+ØMQ 2.1.10<br />
+Last updated 2011-08-23 16:01:49 CDT
</div>
</div>
</body>
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-29 22:38:41 +0000