/*D
   MPI_Win_unlock - Completes an RMA access epoch at the target process

Synopsis:
.vb
int MPI_Win_unlock(int rank, MPI_Win win)
.ve

Input Parameters:
+ rank - rank of window (non-negative integer)
- win - window object (handle)

.N ThreadSafe

.N Fortran

.N Errors
.N MPI_SUCCESS
.N MPI_ERR_RANK
.N MPI_ERR_WIN
.N MPI_ERR_OTHER

.seealso: MPI_Win_lock
D*/

