Date: Sat, 13 Sep 2008 21:51:17 -0700 From: vehemens <vehemens@verizon.net> To: freebsd-current@freebsd.org Subject: Re: cdefpriv usage (was: bsd versus linux device drivers) Message-ID: <200809132151.18008.vehemens@verizon.net> In-Reply-To: <200809111013.34194.vehemens@verizon.net> References: <200809080202.00664.vehemens@verizon.net> <20080911090449.GV39652@deviant.kiev.zoral.com.ua> <200809111013.34194.vehemens@verizon.net>
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On Thursday 11 September 2008 10:13:34 am vehemens wrote: ... > Looks like the ioctl get randomly fails with ENOENT. Turned out to be a bug in my code. > Something else is going on with mmap get which fails with EBADF almost all > of the time.. Looking at the man page and code, it appears that cdevpriv has not been implemented for mmap. I'm still somewhat confused about what cdevpriv is supposed to do. I was after per open private data association, and the code appears to only implement per thread open private data association.
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