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* Julian Elischer wrote:
> Ed Schouten wrote:
>> Wouldn't it be better to just implement it through fcntl() and implement
>> closefrom() in libc?

>
> that's a possibility but I personally thing the huge difference in=20
> efficiency
> makes it worth putting it in the kernel.
> Quite a few programs I know of could really help their startup time with=

=20
> this as the first thing they do is "close the first 2000 file descriptors.


Woops! Sorry for responding this late, but it looks like I didn't
explain myself good enough. Sorry. To rephrase myself:

Wouldn't it be better to just implement fcntl(..., F_CLOSEM, ...) in the
kernel and make closefrom() a simple libc routine:

void
closefrom(int lowfd)
{
fcntl(lowfd, F_CLOSEM, NULL);
}

Similar to creat(2).

--=20
Ed Schouten
WWW: http://g-rave.nl/

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