Date: Wed, 10 Aug 2005 16:40:27 -0400 From: John Baldwin <jhb@FreeBSD.org> To: freebsd-hackers@freebsd.org Cc: Sergey Uvarov <uvarovsl@mail.pnpi.spb.ru> Subject: Re: preferable way to control kernel module Message-ID: <200508101640.28555.jhb@FreeBSD.org> In-Reply-To: <42FA63A3.4040802@mail.pnpi.spb.ru> References: <42FA63A3.4040802@mail.pnpi.spb.ru>
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On Wednesday 10 August 2005 04:29 pm, Sergey Uvarov wrote: > Hello hackers, > > I'm writing a kernel module for my own needs. AFAIK the following > methods could be used: > > 1) allocate not used system call with help of SYSCALL_MODULE macro > > 2) allocate proprieatry oid via SYSCTL_OID(OID_AUTO) and write an > appropriate sysctl handler(s) > > 3) add a file in /dev and use ioctl(2) call > > What is a preferable way to control my module? It depends on what you want to do really. I've used sysctl's for simple debug modules where I write to the sysctl to have it perform a desired action. -- John Baldwin <jhb@FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve" = http://www.FreeBSD.org
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