Method run

java/libraries/io/src/processing/io/GPIO.java:121–145

()

    // of latency
    Thread t = new Thread(new Runnable() {
      public void run() {
        boolean gotInterrupt = false;
        try {
          do {
            try {
              if (waitForInterrupt(irqPin, 100)) {
                gotInterrupt = true;
              }
              if (gotInterrupt && serveInterrupts) {
                irqMethod.invoke(irqObject, irqPin);
                gotInterrupt = false;
              }
              // if we received an interrupt while interrupts were disabled
              // we still deliver it the next time interrupts get enabled
              // not sure if everyone agrees with this logic though
            } catch (RuntimeException e) {
              // make sure we're not busy spinning on error
              Thread.sleep(100);
            }
          } while (!Thread.currentThread().isInterrupted());
        } catch (Exception e) {
          // terminate the thread on any unexpected exception that might occur
          System.err.println("Terminating interrupt handling for pin " + irqPin + " after catching: " + e.getMessage());
        }
      }
    }, "GPIO" + pin + " IRQ");

    t.setPriority(Thread.MAX_PRIORITY);