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MPI_Win_complete(3)			     LAM/MPI			      MPI_Win_complete(3)

       MPI_Win_complete -  Completes an RMA access epoch

       #include <mpi.h>
       int MPI_Win_complete(MPI_Win win)

       win -  window object (handle)

       Completes  an RMA access epoch on win started by a call to MPI_WIN_START. All RMA communi-
       cation calls issued on win during this epoch will have completed at the	origin	when  the
       call returns.

       MPI_WIN_COMPLETE  enforces completion of preceding RMA calls at the origin, but not at the
       target. A put or accumulate call may not have completed at the target  when  it	has  com-
       pleted at the origin.

       All MPI routines in Fortran (except for MPI_WTIME and MPI_WTICK ) have an additional argu-
       ment ierr at the end of the argument list.  ierr is an integer and has the same meaning as
       the  return  value of the routine in C.	In Fortran, MPI routines are subroutines, and are
       invoked with the call statement.

       All MPI objects (e.g., MPI_Datatype , MPI_Comm ) are of type INTEGER in Fortran.

       The IMPI standard only supports MPI-1 functions.  Hence, this function  is  currently  not
       designed to operate within an IMPI job.

       If  an  error occurs in an MPI function, the current MPI error handler is called to handle
       it.  By default, this error handler aborts the MPI job.	The error handler may be  changed
       with  MPI_Errhandler_set  ;  the predefined error handler MPI_ERRORS_RETURN may be used to
       cause error values to be returned (in C and Fortran; this error handler is less useful  in
       with  the  C++  MPI  bindings.	The predefined error handler MPI::ERRORS_THROW_EXCEPTIONS
       should be used in C++ if the error value needs to be recovered).  Note that MPI	does  not
       guarantee that an MPI program can continue past an error.

       All  MPI  routines  (except MPI_Wtime and MPI_Wtick ) return an error value; C routines as
       the value of the function and Fortran routines in the last argument.  The C++ bindings for
       MPI  do not return error values; instead, error values are communicated by throwing excep-
       tions of type MPI::Exception (but not by default).  Exceptions  are  only  thrown  if  the
       error value is not MPI::SUCCESS

       Note that if the MPI::ERRORS_RETURN handler is set in C++, while MPI functions will return
       upon an error, there will be no way to recover what the actual error value was.
	      - No error; MPI routine completed successfully.
	      - Invalid window.  A common error is to use a null window in a call.
	      - Other error; use MPI_Error_string to get more information about this error code.
	      - This error indicates than an operation has been attempted on a	"closed"  window.
	      Certain  one-sided operations can only be performed on windows whose epoch has been
	      started with MPI_Win_start.

       MPI_Put(3),   MPI_Get(3),    MPI_Win_create(3),	  MPI_Win_start(3),    MPI_Accumulate(3),
       MPI_Win_fence(3),     MPI_Win_free(3),	  MPI_Win_get_group(3),     MPI_Win_get_group(3),

       For more information, please see the official MPI Forum web site, which contains the  text
       of both the MPI-1 and MPI-2 standards.  These documents contain detailed information about
       each MPI function (most of which is not duplicated in these man pages).



LAM/MPI 6.5.8				    11/10/2002			      MPI_Win_complete(3)
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