A sigio lock (was: Re: Locking down a socket, milestone 1)

On Thu, 25 Apr 2002 18:01:51 +0900,
  Seigo Tanimura <[e-mail]> said:

Seigo> On Thu, 25 Apr 2002 01:36:44 -0700,
Seigo>   Alfred Perlstein <[e-mail]> said:

bright> * Seigo Tanimura <[e-mail]> [020425 01:19] wrote:
>>> >> 
>>> >> http://people.FreeBSD.org/~tanimura/patches/socket_milestone1.diff.gz
>>> >> 

bright> Why is there a "sigio" lock in this delta?

Seigo> I should have stripped that out, but my patch would result in lock
Seigo> order reversal between a socket lock and a process lock.  As we
Seigo> protect p_fd by a process lock, we have to lock it prior to locking a
Seigo> file descriptor or a socket.

Seigo> I suppose I have to commit the stripped patch of a sigio lock first.

The patch of a sigio lock is not stripped out at:

http://people.FreeBSD.org/~tanimura/patches/sigio.diff.gz

-- 
Seigo Tanimura <[e-mail]> <[e-mail]>

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