int PMPI_Attr_delete(MPI_Comm comm, int keyval) {
CHECK_COMM(1)
+ CHECK_MPI_NULL(2, MPI_KEYVAL_INVALID, MPI_ERR_KEYVAL, keyval)
if(keyval == MPI_TAG_UB||keyval == MPI_HOST||keyval == MPI_IO ||keyval == MPI_WTIME_IS_GLOBAL||keyval == MPI_APPNUM
||keyval == MPI_UNIVERSE_SIZE||keyval == MPI_LASTUSEDCODE)
return MPI_ERR_ARG;
CHECK_NULL(4, MPI_ERR_ARG, flag)
*flag = 0;
CHECK_COMM(1)
+ CHECK_MPI_NULL(2, MPI_KEYVAL_INVALID, MPI_ERR_KEYVAL, keyval)
switch (keyval) {
case MPI_HOST:
int PMPI_Attr_put(MPI_Comm comm, int keyval, void* attr_value) {
CHECK_COMM(1)
+ CHECK_MPI_NULL(2, MPI_KEYVAL_INVALID, MPI_ERR_KEYVAL, keyval)
if(keyval == MPI_TAG_UB||keyval == MPI_HOST||keyval == MPI_IO ||keyval == MPI_WTIME_IS_GLOBAL||keyval == MPI_APPNUM
||keyval == MPI_UNIVERSE_SIZE||keyval == MPI_LASTUSEDCODE)
return MPI_ERR_ARG;