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<title>JACK-AUDIO-CONNECTION-KIT: The non-callback API</title>
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<div id="projectname">JACK-AUDIO-CONNECTION-KIT
 <span id="projectnumber">0.122.0</span>
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<a href="#func-members">Functions</a> </div>
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<div class="title">The non-callback API</div> </div>
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<tr class="heading"><td colspan="2"><h2><a name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:ga3f08587cfe43a0f883a1e2dfbb72edbb"><td class="memItemLeft" align="right" valign="top"><a class="el" href="types_8h.html#aa954df532e901ae5172e68a23f3da9b6">jack_nframes_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__NonCallbackAPI.html#ga3f08587cfe43a0f883a1e2dfbb72edbb">jack_thread_wait</a> (<a class="el" href="types_8h.html#a96cf103940d2ee71b141d4b9d0c116bf">jack_client_t</a> *, int status) JACK_OPTIONAL_WEAK_DEPRECATED_EXPORT</td></tr>
<tr class="memitem:gabf0867ccf1ba257d84455d95ef3e1632"><td class="memItemLeft" align="right" valign="top"><a class="el" href="types_8h.html#aa954df532e901ae5172e68a23f3da9b6">jack_nframes_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__NonCallbackAPI.html#gabf0867ccf1ba257d84455d95ef3e1632">jack_cycle_wait</a> (<a class="el" href="types_8h.html#a96cf103940d2ee71b141d4b9d0c116bf">jack_client_t</a> *<a class="el" href="simple__client_8c.html#afed7053cd7bdd1cce33dec7213f340ea">client</a>) JACK_OPTIONAL_WEAK_EXPORT</td></tr>
<tr class="memitem:ga4da168f4fb79585b19bc40db3bb06409"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__NonCallbackAPI.html#ga4da168f4fb79585b19bc40db3bb06409">jack_cycle_signal</a> (<a class="el" href="types_8h.html#a96cf103940d2ee71b141d4b9d0c116bf">jack_client_t</a> *<a class="el" href="simple__client_8c.html#afed7053cd7bdd1cce33dec7213f340ea">client</a>, int status) JACK_OPTIONAL_WEAK_EXPORT</td></tr>
<tr class="memitem:ga66b623b80e34424dd380d38ae42b3261"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__NonCallbackAPI.html#ga66b623b80e34424dd380d38ae42b3261">jack_set_process_thread</a> (<a class="el" href="types_8h.html#a96cf103940d2ee71b141d4b9d0c116bf">jack_client_t</a> *<a class="el" href="simple__client_8c.html#afed7053cd7bdd1cce33dec7213f340ea">client</a>, <a class="el" href="types_8h.html#a6f0cea0ebbd7aee4ec0591d3c26699f5">JackThreadCallback</a> fun, void *arg) JACK_OPTIONAL_WEAK_EXPORT</td></tr>
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<a name="details" id="details"></a><h2>Detailed Description</h2>
<h2>Function Documentation</h2>
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<td class="memname">void jack_cycle_signal </td>
<td>(</td>
<td class="paramtype"><a class="el" href="types_8h.html#a96cf103940d2ee71b141d4b9d0c116bf">jack_client_t</a> * </td>
<td class="paramname"><em>client</em>, </td>
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<td class="paramtype">int </td>
<td class="paramname"><em>status</em> </td>
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<p>Signal next clients in the graph.</p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">client</td><td>- pointer to a JACK client structure </td></tr>
<tr><td class="paramname">status</td><td>- if non-zero, calling thread should exit </td></tr>
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<td class="memname"><a class="el" href="types_8h.html#aa954df532e901ae5172e68a23f3da9b6">jack_nframes_t</a> jack_cycle_wait </td>
<td>(</td>
<td class="paramtype"><a class="el" href="types_8h.html#a96cf103940d2ee71b141d4b9d0c116bf">jack_client_t</a> * </td>
<td class="paramname"><em>client</em></td><td>)</td>
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<p>Wait until this JACK client should process data.</p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">client</td><td>- pointer to a JACK client structure</td></tr>
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<dl class="section return"><dt>Returns</dt><dd>the number of frames of data to process </dd></dl>
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<td class="memname">int jack_set_process_thread </td>
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<td class="paramtype"><a class="el" href="types_8h.html#a96cf103940d2ee71b141d4b9d0c116bf">jack_client_t</a> * </td>
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<td class="paramtype"><a class="el" href="types_8h.html#a6f0cea0ebbd7aee4ec0591d3c26699f5">JackThreadCallback</a> </td>
<td class="paramname"><em>fun</em>, </td>
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<p>Tell the Jack server to call <em>thread_callback</em> in the RT thread. Typical use are in conjunction with <em>jack_cycle_wait</em> and @ jack_cycle_signal functions. The code in the supplied function must be suitable for real-time execution. That means that it cannot call functions that might block for a long time. This includes all I/O functions (disk, TTY, network), malloc, free, printf, pthread_mutex_lock, sleep, wait, poll, select, pthread_join, pthread_cond_wait, etc, etc.</p>
<dl class="section return"><dt>Returns</dt><dd>0 on success, otherwise a non-zero error code. </dd></dl>
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<td class="memname"><a class="el" href="types_8h.html#aa954df532e901ae5172e68a23f3da9b6">jack_nframes_t</a> jack_thread_wait </td>
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<td class="paramtype"><a class="el" href="types_8h.html#a96cf103940d2ee71b141d4b9d0c116bf">jack_client_t</a> * </td>
<td class="paramname">, </td>
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<td class="paramtype">int </td>
<td class="paramname"><em>status</em> </td>
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<p><b>THIS FUNCTION IS DEPRECATED AND SHOULD NOT BE USED IN NEW JACK CLIENTS</b></p>
<p>It should be replace by use of @ jack_cycle_wait and @ jack_cycle_signal functions. </p>
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