1 | /* Operating system-specific extensions to sys/uio.h - Linux version. |
2 | Copyright (C) 1996-2022 Free Software Foundation, Inc. |
3 | This file is part of the GNU C Library. |
4 | |
5 | The GNU C Library is free software; you can redistribute it and/or |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either |
8 | version 2.1 of the License, or (at your option) any later version. |
9 | |
10 | The GNU C Library is distributed in the hope that it will be useful, |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 | Lesser General Public License for more details. |
14 | |
15 | You should have received a copy of the GNU Lesser General Public |
16 | License along with the GNU C Library; if not, see |
17 | <https://www.gnu.org/licenses/>. */ |
18 | |
19 | #ifndef _BITS_UIO_EXT_H |
20 | #define _BITS_UIO_EXT_H 1 |
21 | |
22 | #ifndef _SYS_UIO_H |
23 | # error "Never include <bits/uio-ext.h> directly; use <sys/uio.h> instead." |
24 | #endif |
25 | |
26 | __BEGIN_DECLS |
27 | |
28 | /* Read from another process' address space. */ |
29 | extern ssize_t process_vm_readv (pid_t __pid, const struct iovec *__lvec, |
30 | unsigned long int __liovcnt, |
31 | const struct iovec *__rvec, |
32 | unsigned long int __riovcnt, |
33 | unsigned long int __flags) |
34 | __THROW; |
35 | |
36 | /* Write to another process' address space. */ |
37 | extern ssize_t process_vm_writev (pid_t __pid, const struct iovec *__lvec, |
38 | unsigned long int __liovcnt, |
39 | const struct iovec *__rvec, |
40 | unsigned long int __riovcnt, |
41 | unsigned long int __flags) |
42 | __THROW; |
43 | |
44 | /* Flags for preadv2/pwritev2. */ |
45 | #define RWF_HIPRI 0x00000001 /* High priority request. */ |
46 | #define RWF_DSYNC 0x00000002 /* per-IO O_DSYNC. */ |
47 | #define RWF_SYNC 0x00000004 /* per-IO O_SYNC. */ |
48 | #define RWF_NOWAIT 0x00000008 /* per-IO nonblocking mode. */ |
49 | #define RWF_APPEND 0x00000010 /* per-IO O_APPEND. */ |
50 | |
51 | __END_DECLS |
52 | |
53 | #endif /* bits/uio-ext.h */ |
54 | |