>Is there a way of setting O_DIRECT on a preexisting file like sys.stdin?
>
>Does C allow this sort of thing?
There is no O_DIRECT or fcntl() in Standard C.
fcntl() operates on an open file descriptor, and the file descriptor
for stdin is 0. Two calls to fcntl(), one with F_GETFL and one
with F_SETFL, would do what you want.
I'm not sure why you want to do that, though. It's not going to
get you character-at-a-time I/O, if that's what you want.
Gordon L. Burditt
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