MPI_Win_complete -  Completes an RMA access epoch


SYNOPSIS

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


INPUT PARAMETER

       win -  window object (handle)


NOTES

       Completes  an RMA access epoch on win started by a call to
       MPI_WIN_START. All RMA communication 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 accu­
       mulate call may not have completed at the target  when  it
       has completed at the origin.


NOTES FOR FORTRAN

       All  MPI  routines  in  Fortran  (except for MPI_WTIME and
       MPI_WTICK ) have an additional argument 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  For­
       tran,  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.


USAGE WITH IMPI EXTENSIONS

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


ERRORS

       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 val­
       ues to be returned (in C and Fortran; this  error  handler
       is  less  useful in with the C++ MPI bindings.  The prede­
       fined 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

       and  Fortran routines in the last argument.  The C++ bind­
       ings for MPI do not return error  values;  instead,  error
       values  are  communicated  by  throwing exceptions 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.
       MPI_SUCCESS
              - No error; MPI routine completed successfully.
       MPI_ERR_WIN
              -  Invalid window.  A common error is to use a null
              window in a call.
       MPI_ERR_OTHER
              - Other error; use  MPI_Error_string  to  get  more
              information about this error code.
       MPI_ERR_EPOCH
              -  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.


SEE ALSO

       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), MPI_Win_wait(3)


MORE INFORMATION

       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 infor­
       mation about each MPI  function  (most  of  which  is  not
       duplicated in these man pages).

       http://www.mpi-forum.org/


LOCATION

       wcomplete.c


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