PMPI_Compare_and_swap 40 ompi/mpi/c/compare_and_swap.c #define MPI_Compare_and_swap PMPI_Compare_and_swap PMPI_Compare_and_swap 82 ompi/mpi/fortran/mpif-h/compare_and_swap_f.c c_ierr = PMPI_Compare_and_swap(OMPI_F2C_BOTTOM(origin_addr),