657     int fd;         /* File descriptor to poll.  */  member
751     int fd = ip->irqfd;  in interrupt_thread()  local
766     PollFd.fd= fd;  in interrupt_thread()
806             write(fd, &enable, sizeof(enable));  in interrupt_thread()
832     int fd;  in CHIP_ProcessIRQ()  local
839         fd = ((struct irq_desc *)_HISR_Info[u8VectorIndex].pThreadParam)->irqfd;  in CHIP_ProcessIRQ()
840         write(fd, &opt, sizeof(opt));  in CHIP_ProcessIRQ()
926     int fd = 0;  in CHIP_AttachISR()  local
940     fd = open(name, O_RDWR|O_EXCL);  in CHIP_AttachISR()
941     if (fd < 0)  in CHIP_AttachISR()
949     idp->irqfd = fd;  in CHIP_AttachISR()