[mpich-discuss] How to access members of MPI_File struct

[Dave Goodell]

No, you can't use anything like method 2.  Just use method 1.

-Dave

On Aug 30, 2012, at 1:05 AM CDT, Ammar Ahmad Awan wrote:

> Dear All,
> 
> I am using a simple program to access MPI_File attributes. I know that the API provides functions such as MPI_File_get_atomicity( ) but is there a way to access them directly.
> 
> Example:
> 
> int atomicity;
> 
> // method 1
> printf("atomicity : %d", MPI_File_get_atomicity(fh,&atomicity));
> 
> // method 2
> printf("atomicity : %d", fh->atomicity);
> 
> Method 1 in the above code works fine as expected but method 2 give me the following error 
> 
> error: dereferencing pointer to incomplete type
> 
> Can anybody guide me on how to solve this problem.
> 
> Kind Regards
> -- Ammar
> ----------------------------------------------------------------------
> Masters Student
> Dept. Of Computer Engineering,
> Kyung Hee University
> ----------------------------------------------------------------------
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