Date: Thu, 11 Mar 2010 13:55:02 -0800 From: Marcel Moolenaar <xcllnt@mac.com> To: Jung-uk Kim <jkim@FreeBSD.org> Cc: freebsd-hackers@freebsd.org Subject: Re: [RFC] Saving the latest errno from syscalls. Message-ID: <8EE3605E-6E39-44A1-9E3A-5A37E1921D27@mac.com> In-Reply-To: <201003111624.51018.jkim@FreeBSD.org> References: <201003111624.51018.jkim@FreeBSD.org>
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On Mar 11, 2010, at 1:24 PM, Jung-uk Kim wrote: > While I was debugging syscalls, I found a very useful field in struct > thread, td_errno. It seems it was added for dtrace but it is only > populated on amd64 and i386. Is the attached patch acceptable for > maintainers of other platforms? Isn't it better to do it in cpu_set_syscall_retval()? That way you catch all cases, plus you can save the translated error as well... -- Marcel Moolenaar xcllnt@mac.com
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