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    SubjectRe: Undefined Instruction
    On Wed, Nov 02, 2011 at 05:14:17PM -0400, Xin Tong wrote:
    > On Wed, Nov 2, 2011 at 5:10 PM, Jiri Kosina <> wrote:
    >> On Wed, 2 Nov 2011, Xin Tong wrote:
    >>> If i change the kernel, i could have the application stary alive
    >>> right?
    >> No need for any kernel changes. You can set your own signal handler
    >> for SIGILL (but iirc that will make any further behavior of your
    >> application undefined as long as POSIX is involved).
    > There must be a default handler install for every application on
    > linux, right ? Is there any signal that the operating system simply
    > kills the programs without sending a signal to the user level ?

    It's known by the rather straightforward name of SIGKILL. I.e. userland
    cannot install a signal handler for that signal, the process just gets

    Met vriendelijke groet,
    With kind regards,
    Giel van Schijndel

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