[GitHub/mt8127/android_kernel_alcatel_ttab.git] / include / linux / seccomp.h

#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);

static inline int seccomp_mode(seccomp_t *s)
{
	return s->mode;
}

#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;
}

static inline int seccomp_mode(seccomp_t *s)
{
	return 0;
}

#endif /* CONFIG_SECCOMP */

#endif /* _LINUX_SECCOMP_H */
Commit	Line	Data
1da177e4 LT	1	#ifndef _LINUX_SECCOMP_H
	2	#define _LINUX_SECCOMP_H
	3
1da177e4 LT	4
	5	#ifdef CONFIG_SECCOMP
	6
1da177e4 LT	7	#include <linux/thread_info.h>
	8	#include <asm/seccomp.h>
	9
	10	typedef struct { int mode; } seccomp_t;
	11
	12	extern void __secure_computing(int);
	13	static inline void secure_computing(int this_syscall)
	14	{
	15	if (unlikely(test_thread_flag(TIF_SECCOMP)))
	16	__secure_computing(this_syscall);
	17	}
	18
1d9d02fe AA	19	extern long prctl_get_seccomp(void);
	20	extern long prctl_set_seccomp(unsigned long);
	21
5cec93c2 AL	22	static inline int seccomp_mode(seccomp_t *s)
	23	{
	24	return s->mode;
	25	}
	26
1da177e4 LT	27	#else /* CONFIG_SECCOMP */
1da177e4 LT	28
42a17ad2 RB	29	#include <linux/errno.h>
42a17ad2 RB	30
a1365647	31	typedef struct { } seccomp_t;
1da177e4 LT	32
	33	#define secure_computing(x) do { } while (0)
	34
1d9d02fe AA	35	static inline long prctl_get_seccomp(void)
	36	{
	37	return -EINVAL;
	38	}
	39
	40	static inline long prctl_set_seccomp(unsigned long arg2)
	41	{
	42	return -EINVAL;
	43	}
	44
5cec93c2 AL	45	static inline int seccomp_mode(seccomp_t *s)
	46	{
	47	return 0;
	48	}
	49
1da177e4 LT	50	#endif /* CONFIG_SECCOMP */
	51
	52	#endif /* _LINUX_SECCOMP_H */