From owner-freebsd-current  Fri May 21  2:17:24 1999
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Date: Fri, 21 May 1999 19:17:15 +1000
From: Bruce Evans <bde@zeta.org.au>
Message-Id: <199905210917.TAA09318@godzilla.zeta.org.au>
To: bde@zeta.org.au, dfr@nlsystems.com
Subject: Re: priorities
Cc: current@FreeBSD.ORG, dfr@FreeBSD.ORG, hibma@skylink.it,
	nick.hibma@jrc.it, peter@netplex.com.au
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>> >They just are positive and have always been positive :-)
>> >
>> >Changing that (making errnos negative) would break so much code I don't
>> >even want to think about it.
>> 
>> >From errno.h:
>> 
>> #ifdef KERNEL
>> /* pseudo-errors returned inside kernel to modify return to process */
>> #define	ERESTART	(-1)		/* restart syscall */
>> #define	EJUSTRETURN	(-2)		/* don't modify regs, just return */
>> #define	ENOIOCTL	(-3)		/* ioctl not handled by this layer */
>> #endif
>
>They aren't real errnos, just signals to the kernel.

Same as all other error codes in the kernel.

Bruce


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