[PATCH] Fix bug #10831 - SIGCLD Signal handler not correctly reinstalled on old library code use - smbrun etc.

[Jeremy Allison]

On Wed, Sep 24, 2014 at 10:22:40AM +1000, Martin Schwenke wrote:
> 
> Today I learned about:
> 
> * signal handling; and
> 
> * functions that return function pointers (without using a typedef).
> 
> ;-)
> 
> Just out of interest, since it is only the CatchChildLeaveStatus() calls
> that causes problems, why bother changing CatchChild()?  I looked over
> the various calls to CatchChild() and they seem OK.

Yeah, I thought about leaving CatchChild() alone, but having
a function that arbitrarily loses the existing handler I
thought was a bad idea, so I cleaned up the interface
whilst I was at it.

Even though it's not used to return the existing
handler currently, it really should.

Cheers,

	Jeremy.