Date: Thu, 19 Aug 1999 09:09:16 -0700 (PDT) From: John Polstra <jdp@polstra.com> To: hasty@rah.star-gate.com Cc: current@freebsd.org Subject: Re: SIGBUS [was Re: gdb] Message-ID: <199908191609.JAA18406@vashon.polstra.com> In-Reply-To: <199908190130.SAA17301@rah.star-gate.com>
next in thread | previous in thread | raw e-mail | index | archive | help
In article <199908190130.SAA17301@rah.star-gate.com>, Amancio Hasty <hasty@rah.star-gate.com> wrote: > > On 18 Aug 1999, Joel Ray Holveck wrote: > > > > > That reminds me. I thought that SIGBUS meant byte-alignment errors. > > > What does it mean on FreeBSD/x86? > > The boehm garbage collector is trying to find the memory limit so I guess > in FreeBSD is going to get a SIGBUS. > > In linux they get SIGV Right. FreeBSD gives SIGBUS for pages that are mapped but protected, and SIGSEGV for pages that aren't mapped at all. As I recall, Linux doesn't even have SIGBUS as far as the kernel is concerned. John -- John Polstra jdp@polstra.com John D. Polstra & Co., Inc. Seattle, Washington USA "No matter how cynical I get, I just can't keep up." -- Nora Ephron To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?199908191609.JAA18406>