and what about long? I tried return type long, it also always returned
0, instead of the custom one I was returning
On 10/17/06, Jay Vaughan <[email protected]> wrote:
You can't use floats in kernel system calls ..
j.
At 14:45 +0500 17/10/06, Irfan Habib wrote:
>Hi,
>
>I'm trying to build a system call which returns a float, and is defined as :
>asmlinkage float sys_ph_pinfo(int pid, int mode)
>
>but in a user level program every time, I evaluate it, I always get
>a return 0!
>How do I capture the return of a system call?
>
>Also is it possible that a system call return a structure or array?
>Will that be available in user space? My hunch is that this is not
>possible, as kernel memory space is disjoint form the user memory
>space, but just for information.
>
>Regards,
>Irfan
>-
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Jay Vaughan
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