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<h2>
<a name="1206512"> </a><font color="#003366" face="Verdana, Arial, Helvetica, sans-serif">interrupt_disable_global</font>
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<p>
<a name="1206513"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif">Globally disable interrupts</font>
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<h3>
<a name="1206514"> </a><font color="#003366" face="Verdana, Arial, Helvetica, sans-serif">Synopsis</font>
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<a name="1206515"> </a><font size=2 face=Courier><strong>#include <interrup.h><br></strong></font>
<a name="1206516"> </a><font size=2 face=Courier><strong>void interrupt_disable_global( void );<br></strong></font>
<h3>
<a name="1206517"> </a><font color="#003366" face="Verdana, Arial, Helvetica, sans-serif">Arguments</font>
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<a name="1206518"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif">None</font>
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<h3>
<a name="1206520"> </a><font color="#003366" face="Verdana, Arial, Helvetica, sans-serif">Results</font>
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<a name="1206521"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif">None</font>
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<a name="1206522"> </a><font color="#003366" face="Verdana, Arial, Helvetica, sans-serif">Errors</font>
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<a name="1206523"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif">None</font>
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<a name="1206524"> </a><font color="#003366" face="Verdana, Arial, Helvetica, sans-serif">Description</font>
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<p>
<a name="1206525"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif">This function clears the global enables bit thus disabling all interrupts. This prevents the interrupt controller from attempting to raise any interrupts.</font>
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<p>
<a name="1272538"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif"><em>Note: 1 This operation is not the same <font size=2 face=Courier><strong>interrupt_lock</strong></font>. It does not disable preemption or timeslicing and tasks are permitted to deschedule with interrupts disabled. On an ST20C2, high priority processes, channels and timers are still available. On an ST20C1 core the timer interrupt is disabled so timer waits are not handled until interrupts are re-enabled.</em></font>
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<p>
<a name="1272732"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif"><em> 2 Any code running on an ILC-2 or ILC-3 which uses this function to dismiss a level-sensitive interrupt will become locked at interrupt. The function <font face="Verdana, Arial, Helvetica, sans-serif"><b>interrupt_disable_number()</b></font> should be used instead.</em></font>
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<h3>
<a name="1206527"> </a><font color="#003366" face="Verdana, Arial, Helvetica, sans-serif">Applies to</font>
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<a name="1206528"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif">ILC-None, ILC-1, ILC-2, ILC-3.</font>
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<h3>
<a name="1206529"> </a><font color="#003366" face="Verdana, Arial, Helvetica, sans-serif">Callable from</font>
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<p>
<a name="1206530"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif">A task, interrupt service routine or a high priority process (on an ST20C2).</font>
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<h3>
<a name="1206531"> </a><font color="#003366" face="Verdana, Arial, Helvetica, sans-serif">See also</font>
</h3>
<p>
<a name="1206532"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif"><a href="libs36.htm#1206535"><font color="#0000ff" face="Verdana, Arial, Helvetica, sans-serif"><i>interrupt_disable_mask</i></font></a>, <a href="libs37.htm#1206562"><font color="#0000ff" face="Verdana, Arial, Helvetica, sans-serif"><i>interrupt_disable_number</i></font></a>, <a href="libs39.htm#1206611"><font color="#0000ff" face="Verdana, Arial, Helvetica, sans-serif"><i>interrupt_enable_global</i></font></a>, <a href="libs46.htm#1206908"><font color="#0000ff" face="Verdana, Arial, Helvetica, sans-serif"><i>interrupt_lock</i></font></a>, <a href="libs56.htm#1207243"><font color="#0000ff" face="Verdana, Arial, Helvetica, sans-serif"><i>interrupt_unlock</i></font></a></font>
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