Signal handling tune up.

[Christopher Faylor]

On Tue, Aug 19, 2003 at 09:32:36PM -0400, Christopher Faylor wrote:
>Although, hmm.  My brain hurts.  Maybe the latter behavior is more
>correct since if something is in the middle of changing the mask it will
>be guaranteed to be correct when the signal handler is finally called.

Brain still hurts.  I see that my changes from yesterday were wrong.
Serves me right for coding so late.

cgf