/usr/powerpc-linux-gnu/include/bits/uio_lim.h is in libc6-dev-powerpc-cross 2.27-3ubuntu1cross1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 | /* Implementation limits related to sys/uio.h - Linux version.
Copyright (C) 2017-2018 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#ifndef _BITS_UIO_LIM_H
#define _BITS_UIO_LIM_H 1
/* Maximum length of the 'struct iovec' array in a single call to
readv or writev.
This macro has different values in different kernel versions. The
latest versions of the kernel use 1024 and this is good choice. Since
the C library implementation of readv/writev is able to emulate the
functionality even if the currently running kernel does not support
this large value the readv/writev call will not fail because of this. */
#define __IOV_MAX 1024
#endif
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