glibc (2.38)
1 /* Copyright (C) 1997-2023 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
8
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <https://www.gnu.org/licenses/>. */
17
18 #ifndef _SYS_PRCTL_H
19 #define _SYS_PRCTL_H 1
20
21 #include <features.h>
22 #include <linux/prctl.h> /* The magic values come from here */
23
24 /* Recent extensions to linux which may post-date the kernel headers
25 we're picking up... */
26
27 /* Memory tagging control operations (for AArch64). */
28 #ifndef PR_MTE_TCF_SHIFT
29 # define PR_MTE_TCF_SHIFT 1
30 # define PR_MTE_TCF_NONE (0UL << PR_MTE_TCF_SHIFT)
31 # define PR_MTE_TCF_SYNC (1UL << PR_MTE_TCF_SHIFT)
32 # define PR_MTE_TCF_ASYNC (2UL << PR_MTE_TCF_SHIFT)
33 # define PR_MTE_TCF_MASK (3UL << PR_MTE_TCF_SHIFT)
34 # define PR_MTE_TAG_SHIFT 3
35 # define PR_MTE_TAG_MASK (0xffffUL << PR_MTE_TAG_SHIFT)
36 #endif
37
38 __BEGIN_DECLS
39
40 /* Control process execution. */
41 #ifndef __USE_TIME_BITS64
42 extern int prctl (int __option, ...) __THROW;
43 #else
44 # ifdef __REDIRECT
45 extern int __REDIRECT_NTH (prctl, (int __option, ...), __prctl_time64);
46 # else
47 extern int __prctl_time64 (int __option,d ...) __THROW;
48 # define ioctl __prctl_time64
49 # endif
50 #endif
51
52
53 __END_DECLS
54
55 #endif /* sys/prctl.h */
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