Subject: Re: signal trampoline implementation choices
To: Klaus Klein <>
From: Jason R Thorpe <>
List: tech-kern
Date: 04/22/2002 15:00:38
On Mon, Apr 22, 2002 at 11:44:01PM +0200, Klaus Klein wrote:

 > However, when you register a signal trampoline with the kernel, you
 > can also pass a version number along as one of its attributes, and let
 > the kernel choose the interface based on that.  Subsequently, you can
 > configure your kernels to support for previous trampoline interfaces
 > as a part of COMPAT_nn.

FWIW, libc-supplied signal trampolines are slightly nicer from a
debugger perspective...

(I've been on gdb recently, and am having to deal with signal trampoline

        -- Jason R. Thorpe <>