add closefrom() call

[Julian Elischer]

Joerg Sonnenberger wrote:
> On Mon, Jul 09, 2007 at 11:46:14PM -0400, Ighighi wrote:
>> Calling F_MAXFD everytime we close a file descriptor would be heavy 
>> having too much fd's.
>> On the other hand, it wouldn't make much a difference to just start from 
>> getdtablesize() - 1.
> 
> I fully agree. That is the second version of closefrom in DragonFly --
> for the purpose of libc_r BTW.

This is silly..
All the code needed to do this is already in the kernel.
It's needed at exit time.
Make a syscall as a front end to it and be done with it.


> 
> Joerg
> _______________________________________________
> freebsd-hackers at freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-hackers
> To unsubscribe, send any mail to "freebsd-hackers-unsubscribe at freebsd.org"