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<div class="headertitle"><div class="title">Interface using direct functionality. <div class="ingroups"><a class="el" href="group__l4irq__api.html">IRQ handling library</a></div></div></div>
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<div id="dynsection-0" onclick="return dynsection.toggleVisibility(this)" class="dynheader closed" style="cursor:pointer;"><span class="dynarrow"><span class="arrowhead closed"></span></span>Collaboration diagram for Interface using direct functionality.:</div>
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<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 id="header-groups" class="groupheader"><a id="groups" name="groups"></a>
Topics</h2></td></tr>
<tr class="memitem:l4irq_5Fapi_5Firq_5Fcap" id="r_l4irq_5Fapi_5Firq_5Fcap"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__l4irq__api__irq__cap.html">Interface using direct functionality. </a></td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 id="header-func-members" class="groupheader"><a id="func-members" name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:ga30b1bc64703a436a3976aa38598e5a6c" id="r_ga30b1bc64703a436a3976aa38598e5a6c"><td class="memItemLeft" align="right" valign="top">l4irq_t *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#ga30b1bc64703a436a3976aa38598e5a6c">l4irq_attach</a> (int irqnum)</td></tr>
<tr class="memdesc:ga30b1bc64703a436a3976aa38598e5a6c"><td class="mdescLeft">&#160;</td><td class="mdescRight">Attach/connect to IRQ. <br /></td></tr>
<tr class="memitem:ga8e77c795d4181c934cf465688e9454e5" id="r_ga8e77c795d4181c934cf465688e9454e5"><td class="memItemLeft" align="right" valign="top">l4irq_t *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#ga8e77c795d4181c934cf465688e9454e5">l4irq_attach_ft</a> (int irqnum, unsigned mode)</td></tr>
<tr class="memdesc:ga8e77c795d4181c934cf465688e9454e5"><td class="mdescLeft">&#160;</td><td class="mdescRight">Attach/connect to IRQ using given type. <br /></td></tr>
<tr class="memitem:ga131471ba957700bf4afd50a00adcf5fd" id="r_ga131471ba957700bf4afd50a00adcf5fd"><td class="memItemLeft" align="right" valign="top">l4irq_t *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#ga131471ba957700bf4afd50a00adcf5fd">l4irq_attach_thread</a> (int irqnum, <a class="el" href="group__l4__cap__api.html#ga1445e923ce73029130d569d6e69a4dd8">l4_cap_idx_t</a> to_thread)</td></tr>
<tr class="memdesc:ga131471ba957700bf4afd50a00adcf5fd"><td class="mdescLeft">&#160;</td><td class="mdescRight">Attach/connect to IRQ. <br /></td></tr>
<tr class="memitem:ga03d75b3121c958862b1a800beb8970b8" id="r_ga03d75b3121c958862b1a800beb8970b8"><td class="memItemLeft" align="right" valign="top">l4irq_t *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#ga03d75b3121c958862b1a800beb8970b8">l4irq_attach_thread_ft</a> (int irqnum, <a class="el" href="group__l4__cap__api.html#ga1445e923ce73029130d569d6e69a4dd8">l4_cap_idx_t</a> to_thread, unsigned mode)</td></tr>
<tr class="memdesc:ga03d75b3121c958862b1a800beb8970b8"><td class="mdescLeft">&#160;</td><td class="mdescRight">Attach/connect to IRQ using given type. <br /></td></tr>
<tr class="memitem:ga6712699924b9f626277e6d6c6b6fd843" id="r_ga6712699924b9f626277e6d6c6b6fd843"><td class="memItemLeft" align="right" valign="top">long&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#ga6712699924b9f626277e6d6c6b6fd843">l4irq_wait</a> (l4irq_t *irq)</td></tr>
<tr class="memdesc:ga6712699924b9f626277e6d6c6b6fd843"><td class="mdescLeft">&#160;</td><td class="mdescRight">Wait for specified IRQ. <br /></td></tr>
<tr class="memitem:ga180951258d803a094091d25ca62aa3b0" id="r_ga180951258d803a094091d25ca62aa3b0"><td class="memItemLeft" align="right" valign="top">long&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#ga180951258d803a094091d25ca62aa3b0">l4irq_unmask_and_wait_any</a> (l4irq_t *unmask_irq, l4irq_t **ret_irq)</td></tr>
<tr class="memdesc:ga180951258d803a094091d25ca62aa3b0"><td class="mdescLeft">&#160;</td><td class="mdescRight">Unmask a specific IRQ and wait for any attached IRQ. <br /></td></tr>
<tr class="memitem:ga0ae76e9f1e27ee2003b20f763ac725f3" id="r_ga0ae76e9f1e27ee2003b20f763ac725f3"><td class="memItemLeft" align="right" valign="top">long&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#ga0ae76e9f1e27ee2003b20f763ac725f3">l4irq_wait_any</a> (l4irq_t **irq)</td></tr>
<tr class="memdesc:ga0ae76e9f1e27ee2003b20f763ac725f3"><td class="mdescLeft">&#160;</td><td class="mdescRight">Wait for any attached IRQ. <br /></td></tr>
<tr class="memitem:gad86d821f94a0588bd72cb9298500d264" id="r_gad86d821f94a0588bd72cb9298500d264"><td class="memItemLeft" align="right" valign="top">long&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#gad86d821f94a0588bd72cb9298500d264">l4irq_unmask</a> (l4irq_t *irq)</td></tr>
<tr class="memdesc:gad86d821f94a0588bd72cb9298500d264"><td class="mdescLeft">&#160;</td><td class="mdescRight">Unmask a specific IRQ. <br /></td></tr>
<tr class="memitem:ga508a08699114106d4c46fc164ed3aa95" id="r_ga508a08699114106d4c46fc164ed3aa95"><td class="memItemLeft" align="right" valign="top">long&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#ga508a08699114106d4c46fc164ed3aa95">l4irq_detach</a> (l4irq_t *irq)</td></tr>
<tr class="memdesc:ga508a08699114106d4c46fc164ed3aa95"><td class="mdescLeft">&#160;</td><td class="mdescRight">Detach from IRQ. <br /></td></tr>
</table>
<a name="details" id="details"></a><h2 id="header-details" class="groupheader">Detailed Description</h2>
<a name="doc-func-members" id="doc-func-members"></a><h2 id="header-doc-func-members" class="groupheader">Function Documentation</h2>
<a id="ga30b1bc64703a436a3976aa38598e5a6c" name="ga30b1bc64703a436a3976aa38598e5a6c"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ga30b1bc64703a436a3976aa38598e5a6c">&#9670;&#160;</a></span>l4irq_attach()</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">l4irq_t * l4irq_attach </td>
<td>(</td>
<td class="paramtype">int</td> <td class="paramname"><span class="paramname"><em>irqnum</em></span></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Attach/connect to IRQ. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">irqnum</td><td>IRQ number to request </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>Pointer to l4irq_t structure, 0 on error</dd></dl>
<p>This l4irq_attach has to be called in the same thread as l4irq_wait and caller has to be a pthread thread. </p>
<dl class="section examples"><dt>Examples</dt><dd><a class="el" href="examples_2libs_2libirq_2loop_8c-example.html#a0">examples/libs/libirq/loop.c</a>.</dd>
</dl>
<p class="reference">References <a class="el" href="arm_2l4_2sys_2linkage_8h_source.html#l00033">L4_CV</a>.</p>
</div>
</div>
<a id="ga8e77c795d4181c934cf465688e9454e5" name="ga8e77c795d4181c934cf465688e9454e5"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ga8e77c795d4181c934cf465688e9454e5">&#9670;&#160;</a></span>l4irq_attach_ft()</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">l4irq_t * l4irq_attach_ft </td>
<td>(</td>
<td class="paramtype">int</td> <td class="paramname"><span class="paramname"><em>irqnum</em></span>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">unsigned</td> <td class="paramname"><span class="paramname"><em>mode</em></span>&#160;)</td>
</tr>
</table>
</div><div class="memdoc">
<p>Attach/connect to IRQ using given type. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">irqnum</td><td>IRQ number to request </td></tr>
<tr><td class="paramname">mode</td><td>Interrupt type, </td></tr>
</table>
</dd>
</dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="group__l4__irq__api.html#gac862068761c98665b621f946aecef120" title="Interrupt attributes.">L4_irq_mode</a> </dd></dl>
<dl class="section return"><dt>Returns</dt><dd>Pointer to l4irq_t structure, 0 on error</dd></dl>
<p>This l4irq_attach has to be called in the same thread as l4irq_wait and caller has to be a pthread thread. </p>
<p class="reference">References <a class="el" href="arm_2l4_2sys_2linkage_8h_source.html#l00033">L4_CV</a>.</p>
</div>
</div>
<a id="ga131471ba957700bf4afd50a00adcf5fd" name="ga131471ba957700bf4afd50a00adcf5fd"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ga131471ba957700bf4afd50a00adcf5fd">&#9670;&#160;</a></span>l4irq_attach_thread()</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">l4irq_t * l4irq_attach_thread </td>
<td>(</td>
<td class="paramtype">int</td> <td class="paramname"><span class="paramname"><em>irqnum</em></span>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__l4__cap__api.html#ga1445e923ce73029130d569d6e69a4dd8">l4_cap_idx_t</a></td> <td class="paramname"><span class="paramname"><em>to_thread</em></span>&#160;)</td>
</tr>
</table>
</div><div class="memdoc">
<p>Attach/connect to IRQ. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">irqnum</td><td>IRQ number to request </td></tr>
<tr><td class="paramname">to_thread</td><td>Attach IRQ to this specified thread. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>Pointer to l4irq_t structure, 0 on error</dd></dl>
<p>The pointer to the IRQ structure is used as a label in the IRQ object. </p>
<p class="reference">References <a class="el" href="arm_2l4_2sys_2linkage_8h_source.html#l00033">L4_CV</a>.</p>
</div>
</div>
<a id="ga03d75b3121c958862b1a800beb8970b8" name="ga03d75b3121c958862b1a800beb8970b8"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ga03d75b3121c958862b1a800beb8970b8">&#9670;&#160;</a></span>l4irq_attach_thread_ft()</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">l4irq_t * l4irq_attach_thread_ft </td>
<td>(</td>
<td class="paramtype">int</td> <td class="paramname"><span class="paramname"><em>irqnum</em></span>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__l4__cap__api.html#ga1445e923ce73029130d569d6e69a4dd8">l4_cap_idx_t</a></td> <td class="paramname"><span class="paramname"><em>to_thread</em></span>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">unsigned</td> <td class="paramname"><span class="paramname"><em>mode</em></span>&#160;)</td>
</tr>
</table>
</div><div class="memdoc">
<p>Attach/connect to IRQ using given type. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">irqnum</td><td>IRQ number to request </td></tr>
<tr><td class="paramname">to_thread</td><td>Attach IRQ to this specified thread. </td></tr>
<tr><td class="paramname">mode</td><td>Interrupt type, </td></tr>
</table>
</dd>
</dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="group__l4__irq__api.html#gac862068761c98665b621f946aecef120" title="Interrupt attributes.">L4_irq_mode</a> </dd></dl>
<dl class="section return"><dt>Returns</dt><dd>Pointer to l4irq_t structure, 0 on error</dd></dl>
<p>The pointer to the IRQ structure is used as a label in the IRQ object. </p>
<p class="reference">References <a class="el" href="arm_2l4_2sys_2linkage_8h_source.html#l00033">L4_CV</a>.</p>
</div>
</div>
<a id="ga508a08699114106d4c46fc164ed3aa95" name="ga508a08699114106d4c46fc164ed3aa95"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ga508a08699114106d4c46fc164ed3aa95">&#9670;&#160;</a></span>l4irq_detach()</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
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<td class="memname">long l4irq_detach </td>
<td>(</td>
<td class="paramtype">l4irq_t *</td> <td class="paramname"><span class="paramname"><em>irq</em></span></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Detach from IRQ. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">irq</td><td>IRQ data structure </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>0 on success, != 0 on error </dd></dl>
<p class="reference">References <a class="el" href="arm_2l4_2sys_2linkage_8h_source.html#l00033">L4_CV</a>.</p>
</div>
</div>
<a id="gad86d821f94a0588bd72cb9298500d264" name="gad86d821f94a0588bd72cb9298500d264"></a>
<h2 class="memtitle"><span class="permalink"><a href="#gad86d821f94a0588bd72cb9298500d264">&#9670;&#160;</a></span>l4irq_unmask()</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">long l4irq_unmask </td>
<td>(</td>
<td class="paramtype">l4irq_t *</td> <td class="paramname"><span class="paramname"><em>irq</em></span></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Unmask a specific IRQ. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">irq</td><td>IRQ data structure </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>0 on success, != 0 on error</dd></dl>
<p>This function is useful if a thread wants to wait for multiple IRQs using l4_ipc_wait. </p>
<p class="reference">References <a class="el" href="arm_2l4_2sys_2linkage_8h_source.html#l00033">L4_CV</a>.</p>
</div>
</div>
<a id="ga180951258d803a094091d25ca62aa3b0" name="ga180951258d803a094091d25ca62aa3b0"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ga180951258d803a094091d25ca62aa3b0">&#9670;&#160;</a></span>l4irq_unmask_and_wait_any()</h2>
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<div class="memproto">
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<td class="memname">long l4irq_unmask_and_wait_any </td>
<td>(</td>
<td class="paramtype">l4irq_t *</td> <td class="paramname"><span class="paramname"><em>unmask_irq</em></span>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">l4irq_t **</td> <td class="paramname"><span class="paramname"><em>ret_irq</em></span>&#160;)</td>
</tr>
</table>
</div><div class="memdoc">
<p>Unmask a specific IRQ and wait for any attached IRQ. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir"></td><td class="paramname">unmask_irq</td><td>IRQ data structure for unmask. </td></tr>
<tr><td class="paramdir">[out]</td><td class="paramname">ret_irq</td><td>Received interrupt.</td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>0 on success, != 0 on error </dd></dl>
<p class="reference">References <a class="el" href="arm_2l4_2sys_2linkage_8h_source.html#l00033">L4_CV</a>.</p>
</div>
</div>
<a id="ga6712699924b9f626277e6d6c6b6fd843" name="ga6712699924b9f626277e6d6c6b6fd843"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ga6712699924b9f626277e6d6c6b6fd843">&#9670;&#160;</a></span>l4irq_wait()</h2>
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<table class="memname">
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<td class="memname">long l4irq_wait </td>
<td>(</td>
<td class="paramtype">l4irq_t *</td> <td class="paramname"><span class="paramname"><em>irq</em></span></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Wait for specified IRQ. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">irq</td><td>IRQ data structure </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>0 on success, != 0 on error </dd></dl>
<dl class="section examples"><dt>Examples</dt><dd><a class="el" href="examples_2libs_2libirq_2loop_8c-example.html#a1">examples/libs/libirq/loop.c</a>.</dd>
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<p class="reference">References <a class="el" href="arm_2l4_2sys_2linkage_8h_source.html#l00033">L4_CV</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ga0ae76e9f1e27ee2003b20f763ac725f3">&#9670;&#160;</a></span>l4irq_wait_any()</h2>
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<td class="memname">long l4irq_wait_any </td>
<td>(</td>
<td class="paramtype">l4irq_t **</td> <td class="paramname"><span class="paramname"><em>irq</em></span></td><td>)</td>
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<p>Wait for any attached IRQ. </p>
<dl class="retval"><dt>Return values</dt><dd>
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<tr><td class="paramname">irq</td><td>Received interrupt. </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>0 on success, != 0 on error </dd></dl>
<p class="reference">References <a class="el" href="arm_2l4_2sys_2linkage_8h_source.html#l00033">L4_CV</a>.</p>
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