|  | #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 */ | 
|  |  | 
|  | #include <linux/errno.h> | 
|  |  | 
|  | 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 */ |