NAME

       MPI_Win_free_keyval - Frees a window keyval.

SYNTAX

C Syntax

       #include <mpi.h>
       int MPI_Win_free_keyval(int *win_keyval)

Fortran Syntax

       USE MPI
       ! or the older form: INCLUDE 'mpif.h'
       MPI_WIN_FREE_KEYVAL(WIN_KEYVAL, IERROR)
            INTEGER WIN_KEYVAL, IERROR

Fortran 2008 Syntax

       USE mpi_f08
       MPI_Win_free_keyval(win_keyval, ierror)
            INTEGER, INTENT(INOUT) :: win_keyval
            INTEGER, OPTIONAL, INTENT(OUT) :: ierror

C++ Syntax

       #include <mpi.h>
       static void MPI::Win::Free_keyval(int& win_keyval)

INPUT/OUTPUT PARAMETER

       win_keyval
                 Key value (integer).

OUTPUT PARAMETER

       IERROR    Fortran only: Error status (integer).

ERRORS

       Almost all MPI routines return an error value; C routines as the value of the function and
       Fortran routines in the last argument. C++ functions do not return errors. If the  default
       error  handler  is  set  to  MPI::ERRORS_THROW_EXCEPTIONS, then on error the C++ exception
       mechanism will be used to throw an MPI::Exception object.

       Before the error value is returned, the current MPI error handler is called.  By  default,
       this  error  handler aborts the MPI job, except for I/O function errors. The error handler
       may   be   changed   with   MPI_Comm_set_errhandler;   the   predefined   error    handler
       MPI_ERRORS_RETURN may be used to cause error values to be returned. Note that MPI does not
       guarantee that an MPI program can continue past an error.