Date: Sat, 6 Apr 2013 06:46:31 +1100 (EST) From: Bruce Evans <brde@optusnet.com.au> To: mdf@FreeBSD.org Cc: Adrian Chadd <adrian@FreeBSD.org>, "src-committers@freebsd.org" <src-committers@FreeBSD.org>, "svn-src-all@freebsd.org" <svn-src-all@FreeBSD.org>, Bruce Evans <brde@optusnet.com.au>, "svn-src-head@freebsd.org" <svn-src-head@FreeBSD.org>, Alexander Motin <mav@FreeBSD.org> Subject: Re: svn commit: r249105 - in head/sys/cam: ata scsi Message-ID: <20130406061551.B2674@besplex.bde.org> In-Reply-To: <CAMBSHm90D-Ug7NWR5su_pqeRmqGihG9GtSG5sA5eorPbVseHSw@mail.gmail.com> References: <201304041904.r34J4F2I065527@svn.freebsd.org> <CAJ-Vmo=p04MaqjYZhA3aKz%2BnQ9=diyMfaVJ4kNAjRVPFyHLRkg@mail.gmail.com> <515DE949.6050309@FreeBSD.org> <20130406020010.P1319@besplex.bde.org> <CAMBSHm90D-Ug7NWR5su_pqeRmqGihG9GtSG5sA5eorPbVseHSw@mail.gmail.com>
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On Fri, 5 Apr 2013 mdf@FreeBSD.org wrote: > On Fri, Apr 5, 2013 at 8:21 AM, Bruce Evans <brde@optusnet.com.au> wrote: > >> This method works well in userland too. Instead of assert() or abort(), >> use an null dereference, or more portably, a signal > > Digressing quite a bit, doesn't abort() send a signal already, i.e. > SIGABRT? And doesn't __assert() call abort()? Yes, but with assert() the signal occurs deeply nested in a function that doesn't return. Bruce
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