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Date: Thu, 24 Apr 1997 19:59:41 +1000
From: Bruce Evans <bde@zeta.org.au>
Message-Id: <199704240959.TAA12833@godzilla.zeta.org.au>
To: ache@FreeBSD.org, cvs-all@FreeBSD.org, CVS-committers@FreeBSD.org,
        cvs-usrbin@FreeBSD.org
Subject: Re: cvs commit:  src/usr.bin/vacation vacation.c
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>  Modified:    usr.bin/vacation  vacation.c
>  Log:
>  Better fix: return vfork() again, but remove clobbering fclose()
>  and use _exit() instead of exit()

I think it's better to use fork() except in programs that fork a lot.
Even the simplest use:

	if ((pid = vfork()) == 0)
		execl(...);

is not guaranteed to work (it depends on there being a stack frame and
the compiler not doing anything unusual with it).

Bruce