Synopsis
int MPIX_Win_get_attr_as_fortran(MPI_Win win, int win_keyval,
void *attribute_val, int *flag)
Input Parameters
- win
-
window to which the attribute is attached (handle)
- win_keyval
-
key value (integer)
Output Parameters
- attribute_val
-
attribute value, unless flag = false (None)
- flag
-
false if no attribute is associated with the key (logical)
MPIX Function
This routine is part of the MPIX extension to the MPI standard. It may become part of the standard in the future, in which its signature will change to the MPI prefix.
Thread and Interrupt Safety
This routine is thread-safe. This means that this routine may be safely used by multiple threads without the need for any user-provided thread locks. However, the routine is not interrupt safe. Typically, this is due to the use of memory allocation routines such as 'malloc' or other non-MPICH runtime routines that are themselves not interrupt-safe.
Notes for Fortran
All MPI routines in Fortran (except for 'MPI_WTIME' and 'MPI_WTICK') have an additional argument 'ierr' at the end of the argument list. 'ierr' is an integer and has the same meaning as the return value of the routine in C. In Fortran, MPI routines are subroutines, and are invoked with the 'call' statement.
All MPI objects (e.g., 'MPI_Datatype', 'MPI_Comm') are of type 'INTEGER' in Fortran.
Errors
All MPI routines (except 'MPI_Wtime' and 'MPI_Wtick') return an error value;
C routines as the value of the function and Fortran routines in the last
argument. Before the value is returned, the current MPI error handler is
called. By default, this error handler aborts the MPI job. The error handler
may be changed with 'MPI_Comm_set_errhandler' (for communicators),
'MPI_File_set_errhandler' (for files), and 'MPI_Win_set_errhandler' (for
RMA windows). The MPI-1 routine 'MPI_Errhandler_set' may be used but
its use is deprecated. 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; however, MPI implementations will attempt to continue whenever
possible.
-
MPI_SUCCESS - No error; MPI routine completed successfully.
-
MPI_ERR_ARG - Invalid argument. Some argument is invalid and is not identified by a specific error class (e.g., 'MPI_ERR_RANK').
-
MPI_ERR_KEYVAL - Invalid keyval
-
MPI_ERR_WIN - Invalid MPI window object
-
MPI_ERR_OTHER - Other error; use 'MPI_Error_string' to get more information about this error code.