Re: syscall numbers

From: Seth Arnold (sarnoldat_private)
Date: Sun Dec 08 2002 - 20:29:44 PST

  • Next message: Russell Coker: "Re: syscall numbers"

    On Sat, Dec 07, 2002 at 09:04:22PM +0100, Russell Coker wrote:
    > > There's no more debate, the syscall is dead.
    > So what are we supposed to do until a replacement is devised?
    
    Common choices for userland/kernelland communication are ioctl,
    character devices, proc files, sysctl, and new filesystems. Greg is
    a strong proponent of new filesystems, and I think that it accurately
    represents the future direction of the Linux kernel.
    
    One nice feature of the syscall is that it was easily available in all
    per-process namespaces. Only sysctl shares this feature. (However, an
    administrator may decide to remove or deny access to the module's
    specific functionality through per-process namespaces, so sysctl isn't a
    perfect answer.)
    
    
    -- 
    "In God we trust, all others we monitor."
     -- NSA, Intercept Operators's motto, 1970
    
    
    

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