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/* Operating system-specific extensions to sys/uio.h - Linux version. Copyright (C) 1996-2021 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 <https://www.gnu.org/licenses/>. */ #ifndef _BITS_UIO_EXT_H #define _BITS_UIO_EXT_H 1 #ifndef _SYS_UIO_H # error "Never include <bits/uio-ext.h> directly; use <sys/uio.h> instead." #endif __BEGIN_DECLS /* Read from another process' address space. */ extern ssize_t process_vm_readv (pid_t __pid, const struct iovec *__lvec, unsigned long int __liovcnt, const struct iovec *__rvec, unsigned long int __riovcnt, unsigned long int __flags) __THROW; /* Write to another process' address space. */ extern ssize_t process_vm_writev (pid_t __pid, const struct iovec *__lvec, unsigned long int __liovcnt, const struct iovec *__rvec, unsigned long int __riovcnt, unsigned long int __flags) __THROW; /* Flags for preadv2/pwritev2. */ #define RWF_HIPRI 0x00000001 /* High priority request. */ #define RWF_DSYNC 0x00000002 /* per-IO O_DSYNC. */ #define RWF_SYNC 0x00000004 /* per-IO O_SYNC. */ #define RWF_NOWAIT 0x00000008 /* per-IO nonblocking mode. */ #define RWF_APPEND 0x00000010 /* per-IO O_APPEND. */ #define RWF_NOAPPEND 0x00000020 /* per-IO negation of O_APPEND */ #define RWF_ATOMIC 0x00000040 /* Write is to be issued with torn-write prevention. */ __END_DECLS #endif /* bits/uio-ext.h */