: :* Matthew Dillon <[EMAIL PROTECTED]> [020718 11:40] wrote: :> :> fdalloc() does not reserve the descriptor number it :> returns, it simply finds a free slot and says 'this :> index is a free slot'. Even in the latest -current, :> fdalloc() releases the fdp lock when it goes to :> MALLOC so the race appears to still be present. : :This is true. I think one way to fix this is to preallocate :the 'struct file' you're going to put into the array and have :fdalloc() insert the created file instead of just finding a :slot. Problem is that it's a bunch of grunt work to do this. : :-- :-Alfred Perlstein [[EMAIL PROTECTED]] :'Instead of asking why a piece of software is using "1970s technology,"
If you do this be careful in regards to open() and close() which might place the descriptor in a transitory state. You don't want another thread picking the descriptor up while it is in that state. -Matt Matthew Dillon <[EMAIL PROTECTED]> To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-current" in the body of the message