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Linus Torvalds1da177e2005-04-16 15:20:36 -07001#ifndef _LINUX_SECCOMP_H
2#define _LINUX_SECCOMP_H
3
Linus Torvalds1da177e2005-04-16 15:20:36 -07004
5#ifdef CONFIG_SECCOMP
6
7#define NR_SECCOMP_MODES 1
8
9#include <linux/thread_info.h>
10#include <asm/seccomp.h>
11
12typedef struct { int mode; } seccomp_t;
13
14extern void __secure_computing(int);
15static inline void secure_computing(int this_syscall)
16{
17 if (unlikely(test_thread_flag(TIF_SECCOMP)))
18 __secure_computing(this_syscall);
19}
20
Andrea Arcangeliffaa8bd2005-06-27 14:36:36 -070021static inline int has_secure_computing(struct thread_info *ti)
22{
23 return unlikely(test_ti_thread_flag(ti, TIF_SECCOMP));
24}
25
Linus Torvalds1da177e2005-04-16 15:20:36 -070026#else /* CONFIG_SECCOMP */
27
Andrew Mortona1365642006-01-08 01:04:09 -080028typedef struct { } seccomp_t;
Linus Torvalds1da177e2005-04-16 15:20:36 -070029
30#define secure_computing(x) do { } while (0)
Andrea Arcangeliffaa8bd2005-06-27 14:36:36 -070031/* static inline to preserve typechecking */
32static inline int has_secure_computing(struct thread_info *ti)
33{
34 return 0;
35}
Linus Torvalds1da177e2005-04-16 15:20:36 -070036
37#endif /* CONFIG_SECCOMP */
38
39#endif /* _LINUX_SECCOMP_H */