lkml.org 
[lkml]   [2000]   [Aug]   [2]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: 2.2.17pre15 and SA_SIGINFO
On Wed, Aug 02, 2000 at 12:14:45AM -0700, H. Peter Anvin wrote:

> I have a program which relies on being able to derive the address
> of a SIGSEGV. To do that, I use the SA_SIGINFO option to sigaction()
> and read out the faulting address from the si_addr parameter of
> the siginfo structure (second argument.)
> I also check si_code for SEGV_ACCERR.
>
> Under 2.4 kernels, this works great. However, under 2.2.17pre15
> (I downgraded because of stability problems) and glibc 2.1.2,
> si_code and si_addr are both 0. Is this simply unimplemented
> in 2.2 kernels, or is this a bug?

Hmm. Looking at arch/i386/kernel/traps.c I see DO_ERROR_INFO
only since 2.4.0-test1. It looks like this stuff was only
implemented on a few architectures for older kernels.

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 13:57    [W:0.111 / U:0.068 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site