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<title>CMAP_DISPATCH</title>
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<h1 align="center">CMAP_DISPATCH</h1>
<a href="#NAME">NAME</a><br>
<a href="#SYNOPSIS">SYNOPSIS</a><br>
<a href="#DESCRIPTION">DESCRIPTION</a><br>
<a href="#RETURN VALUE">RETURN VALUE</a><br>
<a href="#SEE ALSO">SEE ALSO</a><br>
<hr>
<h2>NAME
<a name="NAME"></a>
</h2>
<p style="margin-left:11%; margin-top: 1em">cmap_dispatch
− Dispatches callbacks from the CMAP service</p>
<h2>SYNOPSIS
<a name="SYNOPSIS"></a>
</h2>
<p style="margin-left:11%; margin-top: 1em"><b>#include
<corosync/cmap.h></b></p>
<p style="margin-left:11%; margin-top: 1em"><b>cs_error_t
cmap_dispatch (cmap_handle_t</b> <i>handle</i><b>,
cs_dispatch_flags_t</b> <i>dispatch_types</i><b>);</b></p>
<h2>DESCRIPTION
<a name="DESCRIPTION"></a>
</h2>
<p style="margin-left:11%; margin-top: 1em">The
<b>cmap_dispatch</b> function is used to dispatch
configuration changes.</p>
<p style="margin-left:11%; margin-top: 1em">Each
application may have several connections to the CMAP API.
Each application uses the <i>handle</i> argument to uniquely
identify the connection.</p>
<p style="margin-left:11%; margin-top: 1em">The
<i>dispatch_types</i> argument is used to identify the type
of dispatch to execute. The possible types are
CS_DISPATCH_ONE, CS_DISPATCH_ALL and
CS_DISPATCH_BLOCKING.</p>
<p style="margin-left:11%; margin-top: 1em">The dispatch
values have the following meanings: <b><br>
CS_DISPATCH_ONE</b></p>
<p style="margin-left:22%;">Dispatch at least one callback,
blocking until the callback is dispatched.</p>
<p style="margin-left:11%;"><b>CS_DISPATCH_ALL</b></p>
<p style="margin-left:22%;">Dispatch all waiting callbacks
without blocking to wait for any callbacks.</p>
<p style="margin-left:11%;"><b>CS_DISPATCH_BLOCKING</b></p>
<p style="margin-left:22%;">Dispatch all callbacks blocking
indefinitely. This is used in a threaded program where a
thread is created, and then cs_dispatch() is called
immediately from the created thread to execute
callbacks.</p>
<p style="margin-left:11%;"><b>CS_DISPATCH_ONE_NONBLOCKING</b></p>
<p style="margin-left:22%;">Dispatch at most one callback.
If there is no pending callback, CS_ERR_TRY_AGAIN is
returned.</p>
<p style="margin-left:11%; margin-top: 1em">It’s
needed to call <b>cmap_track_add(3)</b> to add tracked items
and receive callbacks.</p>
<h2>RETURN VALUE
<a name="RETURN VALUE"></a>
</h2>
<p style="margin-left:11%; margin-top: 1em">This call
returns the CS_OK value if successful, otherwise an error is
returned.</p>
<h2>SEE ALSO
<a name="SEE ALSO"></a>
</h2>
<p style="margin-left:11%; margin-top: 1em"><b>cmap_track_add</b>(3),
<b>cmap_track_delete</b>(3), <b>cmap_overview</b>(8)</p>
<p style="margin-left:11%; margin-top: 1em"><b>CS_ERR_TRY_AGAIN</b>
Resource temporarily unavailable</p>
<p style="margin-left:11%; margin-top: 1em"><b>CS_ERR_INVALID_PARAM</b>
Invalid argument</p>
<p style="margin-left:11%; margin-top: 1em"><b>CS_ERR_ACCESS</b>
Permission denied</p>
<p style="margin-left:11%; margin-top: 1em"><b>CS_ERR_LIBRARY</b>
The connection failed</p>
<p style="margin-left:11%; margin-top: 1em"><b>CS_ERR_INTERRUPT</b>
System call inturrupted by a signal</p>
<p style="margin-left:11%; margin-top: 1em"><b>CS_ERR_NOT_SUPPORTED</b>
The requested protocol/functuality not supported</p>
<p style="margin-left:11%; margin-top: 1em"><b>CS_ERR_MESSAGE_ERROR</b>
Incorrect auth message received</p>
<p style="margin-left:11%; margin-top: 1em"><b>CS_ERR_NO_MEMORY</b>
Not enough memory to completed the requested task</p>
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