Date: Sat, 26 Apr 1997 05:17:26 +1000 From: Bruce Evans <bde@zeta.org.au> To: ache@nagual.pp.ru, bde@zeta.org.au Cc: cvs-all@FreeBSD.org, CVS-committers@FreeBSD.org, cvs-usrbin@FreeBSD.org Subject: Re: cvs commit: src/usr.bin/vacation vacation.c Message-ID: <199704251917.FAA10264@godzilla.zeta.org.au>
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>Hmm, maybe I overlook something, but I not found gcc saving registers >when NON_SAVING_SETJMP is on, it just mark them as clobbered to not use >them later. Is it will be just enough for vfork? I think so. gcc understands the problem with explicit local variables, so should understand the same problem with temporary values - it should be careful about caching temporary values across vfork() since the child might reuse their stack slots. Bruce
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