638     int         fd;             /* File descriptor to poll.  */  member
729     int     fd = ip->irqfd;  in interrupt_thread()  local
744     PollFd.fd = fd;  in interrupt_thread()
784             write(fd, &enable, sizeof(enable));  in interrupt_thread()
810     int fd;  in CHIP_ProcessIRQ()  local
817         fd = ((struct irq_desc *)_HISR_Info[u8VectorIndex].pThreadParam)->irqfd;  in CHIP_ProcessIRQ()
818         write(fd, &opt, sizeof(opt));  in CHIP_ProcessIRQ()
903     int                 fd = 0;  in CHIP_AttachISR()  local
917     fd = open(name, O_RDWR | O_EXCL);  in CHIP_AttachISR()
918     if (fd < 0)  in CHIP_AttachISR()
926     idp->irqfd = fd;  in CHIP_AttachISR()