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Re: kernel headers & userspace
Selon Guillaume Thouvenin <guillaume.thouvenin@xxxxxxxxxx>:
> ---- NEW HEADER FILE ----
> #ifndef __LINUX_ELSA_H
> #define __LINUX_ELSA_H
>
> struct bank_root_s;
> enum elsa_opcode {BANK_INIT,BANK_ALLOC,BANK_FREE,BANK_ADD,BANK_REMOVE};
>
> /*
> * sys_elsa() interface.
> *
> * int sys_elsa(int opcode, unsigned int arg0,
> * unsigned int arg1, unsigned int arg2)
> */
>
> #ifdef __KERNEL__
>
> Now, I can compile the test program. Therefore, my question is :
> Is it a correct solution
There is a problem with this solution because the can declare the structure
bank_root_s in the user program but the compiler will not know the size of the
structure as the type is incomplete....
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