R1 LovePara: app-server stack, on-target C dev, new NIC support
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1376 changed files with 262659 additions and 28 deletions
182
board/mentalnet/overlay/usr/include/sys/uio.h
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182
board/mentalnet/overlay/usr/include/sys/uio.h
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/* Copyright (C) 1991-2025 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#ifndef _SYS_UIO_H
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#define _SYS_UIO_H 1
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#include <features.h>
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#include <sys/types.h>
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#include <bits/types/struct_iovec.h>
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#include <bits/uio_lim.h>
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#ifdef __IOV_MAX
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# define UIO_MAXIOV __IOV_MAX
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#else
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# undef UIO_MAXIOV
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#endif
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__BEGIN_DECLS
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/* Read data from file descriptor FD, and put the result in the
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buffers described by IOVEC, which is a vector of COUNT 'struct iovec's.
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The buffers are filled in the order specified.
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Operates just like 'read' (see <unistd.h>) except that data are
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put in IOVEC instead of a contiguous buffer.
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This function is a cancellation point and therefore not marked with
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__THROW. */
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extern ssize_t readv (int __fd, const struct iovec *__iovec, int __count)
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__wur __attr_access ((__read_only__, 2, 3));
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/* Write data pointed by the buffers described by IOVEC, which
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is a vector of COUNT 'struct iovec's, to file descriptor FD.
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The data is written in the order specified.
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Operates just like 'write' (see <unistd.h>) except that the data
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are taken from IOVEC instead of a contiguous buffer.
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This function is a cancellation point and therefore not marked with
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__THROW. */
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extern ssize_t writev (int __fd, const struct iovec *__iovec, int __count)
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__wur __attr_access ((__read_only__, 2, 3));
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#ifdef __USE_MISC
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# ifndef __USE_FILE_OFFSET64
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/* Read data from file descriptor FD at the given position OFFSET
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without change the file pointer, and put the result in the buffers
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described by IOVEC, which is a vector of COUNT 'struct iovec's.
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The buffers are filled in the order specified. Operates just like
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'pread' (see <unistd.h>) except that data are put in IOVEC instead
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of a contiguous buffer.
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This function is a cancellation point and therefore not marked with
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__THROW. */
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extern ssize_t preadv (int __fd, const struct iovec *__iovec, int __count,
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__off_t __offset)
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__wur __attr_access ((__read_only__, 2, 3));
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/* Write data pointed by the buffers described by IOVEC, which is a
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vector of COUNT 'struct iovec's, to file descriptor FD at the given
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position OFFSET without change the file pointer. The data is
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written in the order specified. Operates just like 'pwrite' (see
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<unistd.h>) except that the data are taken from IOVEC instead of a
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contiguous buffer.
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This function is a cancellation point and therefore not marked with
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__THROW. */
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extern ssize_t pwritev (int __fd, const struct iovec *__iovec, int __count,
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__off_t __offset)
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__wur __attr_access ((__read_only__, 2, 3));
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# else
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# ifdef __REDIRECT
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extern ssize_t __REDIRECT (preadv, (int __fd, const struct iovec *__iovec,
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int __count, __off64_t __offset),
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preadv64)
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__wur __attr_access ((__read_only__, 2, 3));
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extern ssize_t __REDIRECT (pwritev, (int __fd, const struct iovec *__iovec,
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int __count, __off64_t __offset),
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pwritev64)
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__wur __attr_access ((__read_only__, 2, 3));
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# else
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# define preadv preadv64
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# define pwritev pwritev64
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# endif
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# endif
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# ifdef __USE_LARGEFILE64
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/* Read data from file descriptor FD at the given position OFFSET
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without change the file pointer, and put the result in the buffers
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described by IOVEC, which is a vector of COUNT 'struct iovec's.
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The buffers are filled in the order specified. Operates just like
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'pread' (see <unistd.h>) except that data are put in IOVEC instead
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of a contiguous buffer.
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This function is a cancellation point and therefore not marked with
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__THROW. */
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extern ssize_t preadv64 (int __fd, const struct iovec *__iovec, int __count,
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__off64_t __offset)
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__wur __attr_access ((__read_only__, 2, 3));
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/* Write data pointed by the buffers described by IOVEC, which is a
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vector of COUNT 'struct iovec's, to file descriptor FD at the given
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position OFFSET without change the file pointer. The data is
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written in the order specified. Operates just like 'pwrite' (see
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<unistd.h>) except that the data are taken from IOVEC instead of a
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contiguous buffer.
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This function is a cancellation point and therefore not marked with
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__THROW. */
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extern ssize_t pwritev64 (int __fd, const struct iovec *__iovec, int __count,
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__off64_t __offset)
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__wur __attr_access ((__read_only__, 2, 3));
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# endif
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#endif /* Use misc. */
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#ifdef __USE_GNU
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# ifndef __USE_FILE_OFFSET64
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/* Same as preadv but with an additional flag argumenti defined at uio.h. */
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extern ssize_t preadv2 (int __fp, const struct iovec *__iovec, int __count,
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__off_t __offset, int ___flags)
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__wur __attr_access ((__read_only__, 2, 3));
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/* Same as preadv but with an additional flag argument defined at uio.h. */
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extern ssize_t pwritev2 (int __fd, const struct iovec *__iodev, int __count,
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__off_t __offset, int __flags) __wur;
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# else
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# ifdef __REDIRECT
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extern ssize_t __REDIRECT (pwritev2, (int __fd, const struct iovec *__iovec,
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int __count, __off64_t __offset,
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int __flags),
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pwritev64v2)
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__wur __attr_access ((__read_only__, 2, 3));
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extern ssize_t __REDIRECT (preadv2, (int __fd, const struct iovec *__iovec,
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int __count, __off64_t __offset,
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int __flags),
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preadv64v2)
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__wur __attr_access ((__read_only__, 2, 3));
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# else
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# define preadv2 preadv64v2
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# define pwritev2 pwritev64v2
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# endif
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# endif
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# ifdef __USE_LARGEFILE64
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/* Same as preadv but with an additional flag argumenti defined at uio.h. */
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extern ssize_t preadv64v2 (int __fp, const struct iovec *__iovec,
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int __count, __off64_t __offset,
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int ___flags)
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__wur __attr_access ((__read_only__, 2, 3));
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/* Same as preadv but with an additional flag argument defined at uio.h. */
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extern ssize_t pwritev64v2 (int __fd, const struct iovec *__iodev,
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int __count, __off64_t __offset,
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int __flags)
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__wur __attr_access ((__read_only__, 2, 3));
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# endif
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#endif /* Use GNU. */
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__END_DECLS
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/* Some operating systems provide system-specific extensions to this
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header. */
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#ifdef __USE_GNU
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# include <bits/uio-ext.h>
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#endif
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#endif /* sys/uio.h */
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