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MPI_Attr_delete - Deletes attribute value associated with a key -- use
of this routine is deprecated.
#include <mpi.h>
int MPI_Attr_delete(MPI_Comm comm, int keyval)
INCLUDE ’mpif.h’
MPI_ATTR_DELETE(COMM, KEYVAL, IERROR)
INTEGER COMM, KEYVAL, IERROR
- comm
- Communicator to which attribute is attached (handle).
- keyval
- The key value of the deleted attribute (integer).
- IERROR
- Fortran only: Error status (integer).
This deprecated routine
is not available in C++.
Note that use of this routine is deprecated as
of MPI-2. Please use MPI_Comm_delete_attr.
Delete attribute from cache by
key. This function invokes the attribute delete function delete_fn specified
when the keyval was created. The call will fail if the delete_fn function
returns an error code other than MPI_SUCCESS.
Whenever a communicator
is replicated using the function MPI_Comm_dup, all callback copy functions
for attributes that are currently set are invoked (in arbitrary order).
Whenever a communicator is deleted using the function MPI_Comm_free, all
callback delete functions for attributes that are currently set are invoked.
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.
MPI_Comm_delete_attr
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