swh:1:snp:c3bf2749e3476071fa748f67b0ffa2fdc5fe49d9
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Tip revision: c3b92c8787367a8bb53d57d9789b558f1295cc96 authored by Linus Torvalds on 24 October 2011, 07:10:05 UTC
Linux 3.1
Tip revision: c3b92c8
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 */
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