Messages in this thread | | | Date | Wed, 2 Aug 2000 13:33:41 +0200 | From | Andries Brouwer <> | Subject | Re: 2.2.17pre15 and SA_SIGINFO |
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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.
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