MPI_File_get_atomicity
Returns current consistency semantics for data-access operations.
#include <mpi.h>
int MPI_File_get_atomicity(MPI_File fh, int *flag)
USE MPI
! or the older form: INCLUDE 'mpif.h'
MPI_FILE_GET_ATOMICITY(FH, FLAG, IERROR)
INTEGER FH, IERROR
LOGICAL FLAG
USE mpi_f08
MPI_File_get_atomicity(fh, flag, ierror)
TYPE(MPI_File), INTENT(IN) :: fh
LOGICAL, INTENT(OUT) :: flag
INTEGER, OPTIONAL, INTENT(OUT) :: ierror
fh
: File handle (handle).
flag
: true if atomic mode is enabled, false if nonatomic mode is enabled (boolean).ierror
: Fortran only: Error status (integer).
MPI_File_get_atomicity
returns the current consistency semantics for data access operations on the set of file handles created by one collective MPI_File_open
. If flag is true, atomic mode is currently enabled; if flag is false, nonatomic mode is currently enabled.