easy to reproduce unkillable threads

[David Xu]

FYI, I had committed a fix, it was expected to fix the problem.

David Xu wrote:

>davidxu     2004-10-03 13:23:49 UTC
>
>  FreeBSD src repository
>
>  Modified files:
>    sys/kern             kern_sig.c 
>  Log:
>  Don't bother to turn off other P_STOPPED bits for SIGKILL, doing
>  so would cause kernel to produce an unkillable process in some cases,
>  especially, P_STOPPED_SINGLE has a singling thread, turning off the
>  bit would mess the state.
>  
>  Revision  Changes    Path
>  1.292     +1 -1      src/sys/kern/kern_sig.c
>
>
>  
>