Messages in this thread |  | | Date | Tue, 30 Oct 2001 14:44:06 +0100 | From | DINH Viet Hoa <> | Subject | Re: Fwd: Re: How to write System calls? |
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"Rajat Chadda" <rajat.chadda@wipro.com> wrote:
> Yes -- system calls can be implemented > as modules. > prog8.c is a module. > prog9.c is a user-space program. > > In <asm/unistd.h> -- add > #define __NR_my_func 250
thanks but my question was rather: "in which case should we implement a new syscalls rather than a device and a ioctl ?"
ie : what is better ? a new device and ioctl or new syscalls ?
and in which case, we should use one rather than the other ?
-- DINH Viêt Hoà, ingénieur associé, projet PARIS IRISA-INRIA, Campus de Beaulieu, 35042 Rennes cedex, France Tél: +33 (0) 2 99 84 75 98, Fax: +33 (0) 2 99 84 25 28 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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