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MPI_Win_sync, - Synchronize the private and public copies of the
window
#include <mpi.h>
int MPI_Win_sync (MPI_Win win)
INCLUDE ’mpif.h’
MPI_WIN_SYNC(WIN, IERROR)
INTEGER WIN, IERROR
- win
- Window object (handle).
- IERROR
- Fortran
only: Error status (integer).
MPI_Win_sync synchronizes the
private and public window copies of win. For the purposes of synchronizing
the private and public window, MPI_Win_sync has the effect of ending and
reopening an access and exposure epoch on the window (note that it does
not actually end an epoch or complete any pending MPI RMA operations).
Almost all MPI routines return an error value; C routines as the
value of the function and Fortran routines in the last argument.
Before
the error value is returned, the current MPI error handler is called. By
default, this error handler aborts the MPI job, except for I/O function
errors. The error handler may be changed with MPI_Comm_set_errhandler; the
predefined error handler MPI_ERRORS_RETURN may be used to cause error values
to be returned. Note that MPI does not guarantee that an MPI program can
continue past an error.
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