QNX---- interrupts 例程

#include <sys/neutrino.h>

int interruptID;

const struct sigevent *
intHandler (void *arg, int id)
{
    ...
}

int
main (int argc, char **argv)
{
    ...
    interruptID = InterruptAttach (HW_SERIAL_IRQ, 
                                   intHandler, 
                                   &event, 
                                   sizeof (event), 
                                   0);
    if (interruptID == -1) {
        fprintf (stderr, "%s:  can't attach to IRQ %d
",  
                 progname, HW_SERIAL_IRQ);
        perror (NULL);
        exit (EXIT_FAILURE);
    }
    ...
    return (EXIT_SUCCESS);
}