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<title>10.9 Raising interrupts</title>

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  <a name="1205051"> </a><font color="#003366"  face="Verdana, Arial, Helvetica, sans-serif">10.9 	 Raising interrupts</font>
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  <a name="1205052"> </a><font size=2  face="Verdana, Arial, Helvetica, sans-serif">The following functions can be used to force an interrupt to occur:</font>
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<a name="1205055"> </a><font size=2 face=Courier><strong>#include "interrup.h"<br>int interrupt_raise (int <font size=2 face=Courier><strong><em>Level</em></strong></font>);<br>int interrupt_raise_number (int <font size=2 face=Courier><strong><em>Number</em></strong></font>);<br></strong></font>



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  <a name="1205056"> </a><font size=2  face="Verdana, Arial, Helvetica, sans-serif">The first function raises the specified interrupt level and should be used when peripherals are attached directly to the interrupt controller. The second function raises the specified interrupt number and is for use when an interrupt level controller is present.</font>
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  <a name="1205057"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif"><em>Note:	 Neither function should be used to raise level-sensitive interrupts. These are immediately cleared by the interrupt hardware.</em></font>
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