MPE_GetTags − Returns tags that can be used in communication with a communicator
int MPE_GetTags( comm_in, ntags, comm_out, first_tag )
MPI_Comm comm_in, *comm_out;
int ntags, *first_tag;
comm_in
- Input communicator
ntags |
- Number of tags |
comm_out
- Output communicator. May be comm_in .
first_tag
- First tag available
MPI_SUCCESS on success, MPI error class on failure.
This routine returns the requested number of tags, with the tags being first_tag , first_tag+1 , ..., first_tag+ntags-1 .
These tags are guarenteed to be unique within comm_out .
MPE_ReturnTags
privtags.c