10interrupts/interrupts

   1 %Interrupts
   2 %Thadeu Cascardo
   3
   4 # Hardware interrupts
   5
   6 * Way to notify the processor an external event has happened
   7 * Signal
   8 * Concurrency
   9
  10 # Enable and disable
  11
  12 * local\\_irq\\_disable
  13 * local\\_irq\\_enable
  14 * local\\_irq\\_save
  15 * local\\_irq\\_restore
  16 * disable\\_irq(irq)
  17 * enable\\_irq(irq)
  18
  19 # Request and Release
  20
  21 * request\\_irq(irq, handler, flags, name, dev)
  22 * IRQF\\_SHARED
  23 * IRQF\\_SAMPLE\\_RANDOM
  24 * free\\_irq(irq, dev)
  25
  26 # Writing Handlers
  27
  28 * irqreturn\\_t handler(irq, dev)
  29 * IRQ\\_NONE
  30 * IRQ\\_HANDLE