1/* Copyright (C) 1997-2025 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_TIME64_REDIRECTS
42extern int prctl (int __option, ...) __THROW;
43#else
44# ifdef __REDIRECT
45extern int __REDIRECT_NTH (prctl, (int __option, ...), __prctl_time64);
46# else
47extern 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 */