59 строки
1.9 KiB
C
59 строки
1.9 KiB
C
/*
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* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
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* University Research and Technology
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* Corporation. All rights reserved.
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* Copyright (c) 2004-2006 The University of Tennessee and The University
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* of Tennessee Research Foundation. All rights
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* reserved.
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* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
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* University of Stuttgart. All rights reserved.
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* Copyright (c) 2004-2005 The Regents of the University of California.
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* All rights reserved.
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* $COPYRIGHT$
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*
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* Additional copyrights may follow
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*
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* $HEADER$
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*/
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#ifndef OMPI_UIO_H
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#define OMPI_UIO_H
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#ifndef OMPI_WIN_COMPAT_H
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#error This file is supposed to be included only from win_compat.h
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#endif /* OMPI_WIN_COMPAT_H */
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/* define the iovec structure */
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struct iovec {
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WSABUF data;
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};
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#define iov_base data.buf
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#define iov_len data.len
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#if defined(c_plusplus) || defined (__cplusplus)
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extern "C" {
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#endif
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/*
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* writev:
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writev writes data to file descriptor fd, and from the buffers
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described by iov. The number of buffers is specified by cnt. The
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buffers are used in the order specified. Operates just like write
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except that data is taken from iov instead of a contiguous buffer.
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*/
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OMPI_DECLSPEC int writev (int fd, struct iovec *iov, int cnt);
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/*
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readv reads data from file descriptor fd, and puts the result in the
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buffers described by iov. The number of buffers is specified by
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cnt. The buffers are filled in the order specified. Operates just
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like read except that data is put in iov instead of a contiguous
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buffer.
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*/
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OMPI_DECLSPEC int readv (int fd, struct iovec *iov, int cnt);
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#if defined(c_plusplus) || defined (__cplusplus)
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}
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#endif
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#endif /* OMPI_UIO_H */
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