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54 lines
1.9 KiB
C
54 lines
1.9 KiB
C
/* Operating system-specific extensions to sys/uio.h - Linux version.
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Copyright (C) 1996-2023 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 _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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