1#ifndef _LINUX_SECCOMP_H
2#define _LINUX_SECCOMP_H
3
4
5#ifdef CONFIG_SECCOMP
6
7#include <linux/thread_info.h>
8#include <asm/seccomp.h>
9
10typedef struct { int mode; } seccomp_t;
11
12extern void __secure_computing(int);
13static inline void secure_computing(int this_syscall)
14{
15	if (unlikely(test_thread_flag(TIF_SECCOMP)))
16		__secure_computing(this_syscall);
17}
18
19extern long prctl_get_seccomp(void);
20extern long prctl_set_seccomp(unsigned long);
21
22static inline int seccomp_mode(seccomp_t *s)
23{
24	return s->mode;
25}
26
27#else /* CONFIG_SECCOMP */
28
29#include <linux/errno.h>
30
31typedef struct { } seccomp_t;
32
33#define secure_computing(x) do { } while (0)
34
35static inline long prctl_get_seccomp(void)
36{
37	return -EINVAL;
38}
39
40static inline long prctl_set_seccomp(unsigned long arg2)
41{
42	return -EINVAL;
43}
44
45static inline int seccomp_mode(seccomp_t *s)
46{
47	return 0;
48}
49
50#endif /* CONFIG_SECCOMP */
51
52#endif /* _LINUX_SECCOMP_H */
53