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    SubjectRe: [RFC] [PATCH] sysfs support for Xen attributes
    Arjan van de Ven wrote:
    >> privcmd returns a filehandle which is then used
    >> for ioctls (misc char dev maybe?).
    > what is wrong with open() ?????
    > things that return fd's that aren't open() (or dup and socket) are just
    > evil. Esp if it's in proc or sysfs.

    Nothing is wrong with open, but probably the sentense above is a bit too
    short. If you call fd = open("/proc/xen/privcmd", ...) you'll get a
    filehandle returned for the thingy (as usual) and then you'll use that
    filehandle to call ioctl(fd, ...), so it's the usual unix way ...



    Gerd 'just married' Hoffmann <>
    I'm the hacker formerly known as Gerd Knorr.
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      Last update: 2006-01-12 15:44    [W:0.020 / U:50.484 seconds]
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