| #ifndef _LINUX_SECCOMP_H | 
 | #define _LINUX_SECCOMP_H | 
 |  | 
 |  | 
 | #ifdef CONFIG_SECCOMP | 
 |  | 
 | #include <linux/thread_info.h> | 
 | #include <asm/seccomp.h> | 
 |  | 
 | typedef struct { int mode; } seccomp_t; | 
 |  | 
 | extern void __secure_computing(int); | 
 | static inline void secure_computing(int this_syscall) | 
 | { | 
 | 	if (unlikely(test_thread_flag(TIF_SECCOMP))) | 
 | 		__secure_computing(this_syscall); | 
 | } | 
 |  | 
 | extern long prctl_get_seccomp(void); | 
 | extern long prctl_set_seccomp(unsigned long); | 
 |  | 
 | #else /* CONFIG_SECCOMP */ | 
 |  | 
 | typedef struct { } seccomp_t; | 
 |  | 
 | #define secure_computing(x) do { } while (0) | 
 |  | 
 | static inline long prctl_get_seccomp(void) | 
 | { | 
 | 	return -EINVAL; | 
 | } | 
 |  | 
 | static inline long prctl_set_seccomp(unsigned long arg2) | 
 | { | 
 | 	return -EINVAL; | 
 | } | 
 |  | 
 | #endif /* CONFIG_SECCOMP */ | 
 |  | 
 | #endif /* _LINUX_SECCOMP_H */ |