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.\" -*- nroff -*-
.\" Copyright 2009-2010 Cisco Systems, Inc. All rights reserved.
.\" Copyright 2006-2008 Sun Microsystems, Inc.
.\" Copyright (c) 1996 Thinking Machines Corporation
.\" $COPYRIGHT$
.TH MPI_Win_create_errhandler 3 "#OMPI_DATE#" "#PACKAGE_VERSION#" "#PACKAGE_NAME#"
.SH NAME
\fBMPI_Win_create_errhandler\fP \- Creates an error handler for a window.
.SH SYNTAX
.ft R
.SH C Syntax
.nf
#include <mpi.h>
int MPI_Win_create_errhandler(MPI_Win_errhandler_function *\fIfunction\fP,
MPI_Errhandler *\fIerrhandler\fP)
.fi
.SH Fortran Syntax
.nf
INCLUDE 'mpif.h'
MPI_WIN_CREATE_ERRHANDLER(\fIFUNCTION, ERRHANDLER, IERROR\fP)
EXTERNAL \fIFUNCTION\fP
INTEGER \fIERRHANDLER, IERROR\fP
.fi
.SH C++ Syntax
.nf
#include <mpi.h>
static MPI::Errhandler MPI::Win::Create_errhandler(MPI::Win::
errhandler_function* \fIfunction\fP)
.fi
.SH DEPRECATED TYPE NAME NOTE
.ft R
MPI-2.2 deprecated the MPI_Win_errhandler_fn and
MPI::Win::Errhandler_fn types in favor of
MPI_Win_errhandler_function and MPI::Win::Errhandler_function,
respectively. Open MPI supports both names (indeed, the _fn names are
typedefs to the _function names).
.SH INPUT PARAMETER
.ft R
.TP 1i
function
User-defined error-handling procedure (function).
.SH OUTPUT PARAMETERS
.ft R
.TP 1i
errhandler
MPI error handler (handle).
.TP 1i
IERROR
Fortran only: Error status (integer).
.SH DESCRIPTION
.ft R
MPI_Win_create_errhandler should be, in C, a function of type MPI_Win_errhandler_function, which is defined as
.sp
.nf
typedef void MPI_Win_errhandler_function(MPI Win *, int *, ...);
.fi
.sp
The first argument is the window in use, the second is the error code to be returned.
.sp
In Fortran, the user routine should be of the form:
.sp
.nf
SUBROUTINE WIN_ERRHANDLER_FUNCTION(WIN, ERROR_CODE, ...)
INTEGER WIN, ERROR_CODE
.fi
.sp
In C++, the user routine should be of the form:
.sp
.nf
typedef void MPI::Win::errhandler_function(MPI::Win &, int *, ...);
.fi
.SH ERRORS
Almost all MPI routines return an error value; C routines as the value of the function and Fortran routines in the last argument. C++ functions do not return errors. If the default error handler is set to MPI::ERRORS_THROW_EXCEPTIONS, then on error the C++ exception mechanism will be used to throw an MPI::Exception object.
.sp
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_Win_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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