[CUWiN-Dev] heads up: patch for hslsd on netbsd-current

[David Young]

I believe this will fix hslsd on -current for CNT.

Dave

On Mon, Jun 06, 2005 at 03:38:43PM -0500, dyoung at cuw.ojctech.com wrote:
> Author: dyoung
> Date: 2005-06-06 15:38:43 -0500 (Mon, 06 Jun 2005)
> New Revision: 3288
> 
> Modified:
>    cuw/trunk/src/hsls/main.c
> Log:
> Major overhaul to fix some bugs in my event(3) use.  Essentially,
> I have postponed initializing event(3) with event_init() until
> after I call daemon(), and I have postponed calling most HSLS routines
> until after I call event_init().
> 
> daemon() forks.  I have to wait until *after* forking to call
> event_init(), because it may create a kqueue.  A kqueue is not
> inherited by child processes.  What used to happen is that event_init()
> in the parent gets a descriptor from kqueue---descriptor 3, say---and
> then the child process gets a new descriptor from open(2) or
> socket(2)---also descriptor 3.  Because event(3) is oblivious to
> forks, it invokes kevent(2) on descriptor 3.  kevent(2) returns -1,
> and it sets errno to EBADF (Bad file descriptor).
> 
> 
> 
> 
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-- 
David Young             OJC Technologies
dyoung at ojctech.com      Urbana, IL * (217) 278-3933