Re: PR/48351 CVS commit: src/usr.bin/flock

[Dennis Ferguson <dennis.c.ferguson%gmail.com@localhost>]

On 29 Oct, 2013, at 14:25 , Christos Zoulas <christos%zoulas.com@localhost> 
wrote:
> Nope, we need some kernel work I guess:
> 
> [2:24pm] 2544>flock -u 0
> Exit 1
> [2:24pm] 2545>flock -s 0
> Exit 1

Ah, maybe it's my fault for not providing a better example.  This
seems to work:

$ (                                                                          
> ./flock -s 0; echo $?
> ./flock -x 0; echo $?
> ./flock -s 0; echo $?
> ./flock -u 0; echo $?
> ) < /tmp/a_file
0
0
0
0

I think the thing being locked might need to be a regular file.

Dennis Ferguson