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MPI_Win_free_keyval - Frees a window keyval.
#include <mpi.h>
int MPI_Win_free_keyval(int *win_keyval)
USE MPI
! or the older form: INCLUDE ’mpif.h’
MPI_WIN_FREE_KEYVAL(WIN_KEYVAL, IERROR)
INTEGER WIN_KEYVAL, IERROR
USE mpi_f08
MPI_Win_free_keyval(win_keyval, ierror)
INTEGER, INTENT(INOUT) :: win_keyval
INTEGER, OPTIONAL, INTENT(OUT) :: ierror
- win_keyval
- Key value (integer).
- IERROR
- Fortran only: Error status (integer).
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.
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