Date: Sat, 28 Dec 1996 09:32:02 +1100 From: Bruce Evans <bde@zeta.org.au> To: freebsd-hackers@freebsd.org, ttsai@pobox.com Subject: Re: catching SIGILL Message-ID: <199612272232.JAA30911@godzilla.zeta.org.au>
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> It appears that it's not possible to catch SIGILL on 2.1.6. Is that >correct? I peeked at the source and the action is set to SIG_DFL each >time. SIGILL can be caught just like SIGQUIT. However, if a process trashes its stack pointer so badly that a signal cannot be delivered, then FreeBSD uncatches SIGILL and kills the process with a SIGILL. Crashme apparently trashes its stack pointer very quickly. Bruce
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