72 строки
2.2 KiB
Plaintext
72 строки
2.2 KiB
Plaintext
.\" -*- nroff -*-
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.\" Copyright (c) 2010-2014 Cisco Systems, Inc. All rights reserved.
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.\" Copyright 2006-2008 Sun Microsystems, Inc.
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.\" Copyright (c) 1996 Thinking Machines Corporation
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.\" $COPYRIGHT$
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.TH MPI_Win_delete_attr 3 "#OMPI_DATE#" "#PACKAGE_VERSION#" "#PACKAGE_NAME#"
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.SH NAME
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\fBMPI_Win_delete_attr\fP \- Deletes an attribute from a window.
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.SH SYNTAX
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.ft R
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.SH C Syntax
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.nf
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#include <mpi.h>
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int MPI_Win_delete_attr(MPI_Win \fIwin\fP, int \fIwin_keyval\fP)
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.fi
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.SH Fortran Syntax
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.nf
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USE MPI
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! or the older form: INCLUDE 'mpif.h'
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MPI_WIN_DELETE_ATTR(\fIWIN, WIN_KEYVAL, IERROR\fP)
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INTEGER \fIWIN, WIN_KEYVAL, IERROR\fP
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.fi
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.SH Fortran 2008 Syntax
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.nf
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USE mpi_f08
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MPI_Win_delete_attr(\fIwin\fP, \fIwin_keyval\fP, \fIierror\fP)
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TYPE(MPI_Win), INTENT(IN) :: \fIwin\fP
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INTEGER, INTENT(IN) :: \fIwin_keyval\fP
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INTEGER, OPTIONAL, INTENT(OUT) :: \fIierror\fP
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.fi
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.SH C++ Syntax
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.nf
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#include <mpi.h>
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void MPI::Win::Delete_attr(int \fIwin_keyval\fP)
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.fi
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.SH INPUT/OUTPUT PARAMETER
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.ft R
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.TP 1i
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win
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Window from which the attribute is deleted (handle).
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.SH INPUT PARAMETER
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.ft R
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.TP 1i
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win_keyval
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Key value (integer).
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.SH OUTPUT PARAMETER
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.ft R
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.TP 1i
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IERROR
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Fortran only: Error status (integer).
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.SH NOTES
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Note that it is not defined by the MPI standard what happens if the
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delete_fn callback invokes other MPI functions. In Open MPI, it is
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not valid for delete_fn callbacks (or any of their children) to add or
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delete attributes on the same object on which the delete_fn callback
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is being invoked.
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.SH ERRORS
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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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.sp
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Before the error value is returned, the current MPI error handler is
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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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