blob: dc89116bb1ca997bef56f6e938f4f6080ee4f878 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001#ifndef _LINUX_SECCOMP_H
2#define _LINUX_SECCOMP_H
3
4#include <linux/config.h>
5
6#ifdef CONFIG_SECCOMP
7
8#define NR_SECCOMP_MODES 1
9
10#include <linux/thread_info.h>
11#include <asm/seccomp.h>
12
13typedef struct { int mode; } seccomp_t;
14
15extern void __secure_computing(int);
16static inline void secure_computing(int this_syscall)
17{
18 if (unlikely(test_thread_flag(TIF_SECCOMP)))
19 __secure_computing(this_syscall);
20}
21
Andrea Arcangeliffaa8bd2005-06-27 14:36:36 -070022static inline int has_secure_computing(struct thread_info *ti)
23{
24 return unlikely(test_ti_thread_flag(ti, TIF_SECCOMP));
25}
26
Linus Torvalds1da177e2005-04-16 15:20:36 -070027#else /* CONFIG_SECCOMP */
28
29#if (__GNUC__ > 2)
30 typedef struct { } seccomp_t;
31#else
32 typedef struct { int gcc_is_buggy; } seccomp_t;
33#endif
34
35#define secure_computing(x) do { } while (0)
Andrea Arcangeliffaa8bd2005-06-27 14:36:36 -070036/* static inline to preserve typechecking */
37static inline int has_secure_computing(struct thread_info *ti)
38{
39 return 0;
40}
Linus Torvalds1da177e2005-04-16 15:20:36 -070041
42#endif /* CONFIG_SECCOMP */
43
44#endif /* _LINUX_SECCOMP_H */