14dfl6.txt
;**************************************************************************************************
; LISTING 6 - ENABLING ASYNCHRONOUS NOTIFICATION
;
; "Get those boards talking under Linux," EDN, July 6, 2000, pg 130
;
; http://www.ednmag.com/ednmag/reg/2000/070600/14df.htm
;**************************************************************************************************

   // setting ownership of device file
if (fcntl(ain_fd[board], F_SETOWN, getpid()) != 0) {
   // report error, free allocated memory and resources and return
}
   // getting flags of device file
flags = fcntl(ain_fd[board], F_GETFL);
if (flags == -1) {
   // report error, free allocated stuff and return
}
   // setting flags of device file
if (fcntl(ain_fd[board], F_SETFL, flags | FASYNC) == -1) {
   // report error, free allocated resources and return
}