I've been told to do it like so:
for (i=3; i<OPEN_MAX; i++)
This is very slow, plus I have discovered that I can have open fd's with
values greater than OPEN_MAX.
I thought about getting the max fd from rlimit, but that doesn't work
either. Say I have a rlimit of 1024 open fd's, and I open numbers 3
thru 1023, then I close 3 thru 1022, then I set the rlimit down to
16. rlimit then returns 16, but the largest open fd is still 1023.
So that doesn't work.
And I still have the problem that looping between 3 and whatever I pick
as the top and calling close on each in turn is very slow.
So what's the "right way" to do it?
I would *love* for there to be an ioctl or some syscall that I could
pass a pointer to an int and a pointer to an int array, and it would
come back telling me how many open fd's I've got, and fill in the
array with those fd's.
-- Mark Atwood | Well done is better than well said. email@example.com | http://www.pobox.com/~mra - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to firstname.lastname@example.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/