/* Operating system-specific extensions to sys/uio.h - Linux version.

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Copyright (C) 1996-2018 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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<http://www.gnu.org/licenses/>. */

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#ifndef _BITS_UIO_EXT_H

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#define _BITS_UIO_EXT_H 1

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#ifndef _SYS_UIO_H

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# error "Never include <bits/uio-ext.h> directly; use <sys/uio.h> instead."

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#endif

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__BEGIN_DECLS

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/* Read from another process' address space. */

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extern ssize_t process_vm_readv (pid_t __pid, const struct iovec *__lvec,

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unsigned long int __liovcnt,

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const struct iovec *__rvec,

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unsigned long int __riovcnt,

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unsigned long int __flags)

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__THROW;

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/* Write to another process' address space. */

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extern ssize_t process_vm_writev (pid_t __pid, const struct iovec *__lvec,

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unsigned long int __liovcnt,

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const struct iovec *__rvec,

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unsigned long int __riovcnt,

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unsigned long int __flags)

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__THROW;

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/* Flags for preadv2/pwritev2. */

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#define RWF_HIPRI 0x00000001 /* High priority request. */

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#define RWF_DSYNC 0x00000002 /* per-IO O_DSYNC. */

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#define RWF_SYNC 0x00000004 /* per-IO O_SYNC. */

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#define RWF_NOWAIT 0x00000008 /* per-IO nonblocking mode. */

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#define RWF_APPEND 0x00000010 /* per-IO O_APPEND. */

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__END_DECLS

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#endif /* bits/uio-ext.h */

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