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[97] | 1 | .\"Copyright 2006-2008 Sun Microsystems, Inc. |
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| 2 | .\" Copyright (c) 1996 Thinking Machines Corporation |
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| 3 | .TH MPI_Comm_set_errhandler 3 "Dec 08, 2009" "1.4" "Open MPI" |
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| 4 | .SH NAME |
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| 5 | \fBMPI_Comm_set_errhandler \fP \- Attaches a new error handler to a communicator. |
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| 6 | |
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| 7 | .SH SYNTAX |
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| 8 | .ft R |
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| 9 | .SH C Syntax |
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| 10 | .nf |
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| 11 | #include <mpi.h> |
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| 12 | int MPI_Comm_set_errhandler(MPI_Comm \fIcomm\fP, |
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| 13 | MPI_Errhandler \fIerrhandler\fP) |
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| 14 | |
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| 15 | .SH Fortran Syntax |
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| 16 | .nf |
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| 17 | INCLUDE 'mpif.h' |
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| 18 | MPI_COMM_SET_ERRHANDLER(\fICOMM, ERRHANDLER, IERROR\fP) |
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| 19 | INTEGER \fICOMM, ERRHANDLER, IERROR\fP |
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| 20 | |
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| 21 | .SH C++ Syntax |
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| 22 | .nf |
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| 23 | #include <mpi.h> |
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| 24 | void MPI::Comm::Set_errhandler(const MPI::Errhandler& \fIerrhandler\fP) |
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| 25 | |
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| 26 | .SH INPUT/OUTPUT PARAMETER |
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| 27 | .ft R |
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| 28 | .TP 1i |
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| 29 | comm |
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| 30 | Communicator (handle). |
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| 31 | |
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| 32 | .SH OUTPUT PARAMETERS |
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| 33 | .ft R |
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| 34 | .TP 1i |
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| 35 | errhandler |
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| 36 | New error handler for communicator (handle). |
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| 37 | .ft R |
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| 38 | .TP 1i |
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| 39 | IERROR |
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| 40 | Fortran only: Error status (integer). |
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| 41 | |
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| 42 | .SH DESCRIPTION |
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| 43 | .ft R |
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| 44 | MPI_Comm_set_errhandler attaches a new error handler to a communicator. The error handler must be either a predefined error handler or an error handler created by a call to MPI_Comm_create_errhandler. This call is identical to MPI_Errhandler_set, the use of which is deprecated. |
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| 45 | |
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| 46 | .SH ERRORS |
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| 47 | 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. |
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| 48 | .sp |
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| 49 | Before the error value is returned, the current MPI error handler is |
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| 50 | 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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| 51 | |
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