4.7. Committing a Committed Datatype
![](/sites/default/files/docs/mpi2/previous.jpg)
![](/sites/default/files/docs/mpi2/up.jpg)
![](/sites/default/files/docs/mpi2/next.jpg)
Up: Miscellany Next: Allowing User Functions at Process Termination Previous: Error Class for Invalid Keyval
In MPI-1.2, the effect of calling MPI_TYPE_COMMIT with a datatype that is already committed is not specified. For MPI-2, it is specified that MPI_TYPE_COMMIT will accept a committed datatype; in this case, it is equivalent to a no-op.
![](/sites/default/files/docs/mpi2/previous.jpg)
![](/sites/default/files/docs/mpi2/up.jpg)
![](/sites/default/files/docs/mpi2/next.jpg)
Up: Miscellany Next: Allowing User Functions at Process Termination Previous: Error Class for Invalid Keyval
Return to MPI-2 Standard Index
MPI-2.0 of July 18, 1997
HTML Generated on August 11, 1997