Date: 21 Jan 2001 20:15:26 +0100 From: Dag-Erling Smorgrav <des@ofug.org> To: Adrian Chadd <adrian@FreeBSD.ORG> Cc: freebsd-hackers@FreeBSD.ORG Subject: Re: linux_connect() is broken Message-ID: <xzpn1ck4sz5.fsf@flood.ping.uio.no> In-Reply-To: Adrian Chadd's message of "Sun, 21 Jan 2001 19:00:07 %2B0100" References: <20010121190007.A39518@roaming.cacheboy.net>
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Adrian Chadd <adrian@FreeBSD.ORG> writes: > * inside a syscall, if I return (value); what happens? errno gets set to that value, and if it's non-zero, the userland syscall code returns -1 to the caller. > * inside a syscall, if I set p->p_retval[0] to something, and then > return (value); what happens ? If the value you return is non-zero, see above. If it's zero, the userland syscall code returns p->p_retval[0] to the caller. > * Does this logic also apply to the Linux syscall stuff in the kernel? I think so. Marcel would be better placed to answer that. DES -- Dag-Erling Smorgrav - des@ofug.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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