Date: Fri, 21 May 1999 18:42:57 +1000 From: Bruce Evans <bde@zeta.org.au> To: dfr@nlsystems.com, nick.hibma@jrc.it Cc: current@FreeBSD.ORG, dfr@FreeBSD.ORG, hibma@skylink.it, peter@netplex.com.au Subject: Re: priorities Message-ID: <199905210842.SAA06293@godzilla.zeta.org.au>
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>> How do you guarantuee that the errno is positive? Add an assert >> somewhere, like checking whether ENXIO >= PRIORITY_FAIL? > >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 Bruce To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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