Date: Thu, 26 Apr 2007 13:49:35 -0400 From: John Baldwin <jhb@freebsd.org> To: freebsd-hackers@freebsd.org Cc: Marc =?iso-8859-1?q?L=F6rner?= <marc.loerner@hob.de> Subject: Re: Usage of kern_* functions in kernel Message-ID: <200704261349.35661.jhb@freebsd.org> In-Reply-To: <200704261408.19885.marc.loerner@hob.de> References: <200704261408.19885.marc.loerner@hob.de>
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On Thursday 26 April 2007 08:08:19 am Marc Lörner wrote: > Hello, > I googled but found nothing about the usage of the kern_* functions > (kern_open, kern_close, kern_pwritev, kern_preadv) that are located in > vfs_syscalls.c > > When I use kern_open to open a file within the kernel, I get an error. > When I use the normal vn_open function instead, all works well. > > So my question is which functions are recommended by you kernel-hackers > for use within kernelspace? > > And here a second question: Is it possible to open/use the console driver in > kernelspace within the functions mentioned above? > If not, can you give me some pointers on where I can find this information! kern_XXX are generally used by system calls such as alternative ABIs, etc. -- John Baldwinhelp
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