Date: Mon, 7 Sep 1998 18:04:29 +1000 From: Bruce Evans <bde@zeta.org.au> To: bde@zeta.org.au, cracauer@cons.org, current@FreeBSD.ORG Subject: Re: Floating Point Exceptions, signal handlers & subsequent ops Message-ID: <199809070804.SAA06975@godzilla.zeta.org.au>
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>> >I could also imagine extending struct sigcontext with fields for >> >control and status word so that the user can get the unmodified status >> >if the one-bit trap code isn't sufficient (either because multiple >> >bits may have been set or if the FPE_...... values aren't precise >> >enough, for example if the user needs to tell under- from overflow). >> >> This can wait until we implement SA_SIGINFO (post-3.0). > >Will we give up the old signal handler calls or still send the old >arguments to handlers not registered with SA_SIGINFO? Something like sigcontext arg must be passed so that the signal handler can return. Keep it source compatible if this is easy. Bruce To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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