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

[Ammar Ahmad Awan]

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
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Masters Student
Dept. Of Computer Engineering,
Kyung Hee University
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