wrappers.h

 1/* SPDX-License-Identifier: GPL-2.0 */
 2/*
 3 * Syscall wrappers
 4 *
 5 * Copyright © 2017-2020 Mickaël Salaün <mic@digikod.net>
 6 * Copyright © 2019-2020 ANSSI
 7 * Copyright © 2021-2025 Microsoft Corporation
 8 */
 9
10#define _GNU_SOURCE
11#include <linux/landlock.h>
12#include <sys/syscall.h>
13#include <sys/types.h>
14#include <unistd.h>
15
16#ifndef landlock_create_ruleset
17static inline int
18landlock_create_ruleset(const struct landlock_ruleset_attr *const attr,
19			const size_t size, const __u32 flags)
20{
21	return syscall(__NR_landlock_create_ruleset, attr, size, flags);
22}
23#endif
24
25#ifndef landlock_add_rule
26static inline int landlock_add_rule(const int ruleset_fd,
27				    const enum landlock_rule_type rule_type,
28				    const void *const rule_attr,
29				    const __u32 flags)
30{
31	return syscall(__NR_landlock_add_rule, ruleset_fd, rule_type, rule_attr,
32		       flags);
33}
34#endif
35
36#ifndef landlock_restrict_self
37static inline int landlock_restrict_self(const int ruleset_fd,
38					 const __u32 flags)
39{
40	return syscall(__NR_landlock_restrict_self, ruleset_fd, flags);
41}
42#endif
43
44static inline pid_t sys_gettid(void)
45{
46	return syscall(__NR_gettid);
47}