Messages in this thread |  | | Date | Mon, 05 Nov 2001 15:01:43 -0700 | From | Ben Greear <> | Subject | Re: PROPOSAL: dot-proc interface [was: /proc stuff] |
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Tim Jansen wrote:
> On Monday 05 November 2001 14:41, Petr Baudis wrote: > >>So, please, can you enlighten me, what's so wrong on sysctl? >> > > It doesn't work for complex data, especially lists. How do you want to > configure devices, for example?
How about this:
struct ioctl_payload { int how_many; int* numbers; };
User space sets things up normally, with a valid pointer in 'numbers'. Kernel space copy_from_user the structure, then copy_from_user the number's memory...
Can that work? If so, numbers could of course be any data structure we want...
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-- Ben Greear <greearb@candelatech.com> <Ben_Greear AT excite.com> President of Candela Technologies Inc http://www.candelatech.com ScryMUD: http://scry.wanfear.com http://scry.wanfear.com/~greear
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