LXR linux/include/linux/seccomp.h

   1#ifndef _LINUX_SECCOMP_H
   2#define _LINUX_SECCOMP_H
   3
   4
   5#ifdef CONFIG_SECCOMP
   6
   7#include <linux/thread_info.h>
   8#include <asm/seccomp.h>
   9
  10typedef struct { int mode; } seccomp_t;
  11
  12extern void __secure_computing(int);
  13static inline void secure_computing(int this_syscall)
  14{
  15        if (unlikely(test_thread_flag(TIF_SECCOMP)))
  16                __secure_computing(this_syscall);
  17}
  18
  19extern long prctl_get_seccomp(void);
  20extern long prctl_set_seccomp(unsigned long);
  21
  22static inline int seccomp_mode(seccomp_t *s)
  23{
  24        return s->mode;
  25}
  26
  27#else /* CONFIG_SECCOMP */
  28
  29#include <linux/errno.h>
  30
  31typedef struct { } seccomp_t;
  32
  33#define secure_computing(x) do { } while (0)
  34
  35static inline long prctl_get_seccomp(void)
  36{
  37        return -EINVAL;
  38}
  39
  40static inline long prctl_set_seccomp(unsigned long arg2)
  41{
  42        return -EINVAL;
  43}
  44
  45static inline int seccomp_mode(seccomp_t *s)
  46{
  47        return 0;
  48}
  49
  50#endif /* CONFIG_SECCOMP */
  51
  52#endif /* _LINUX_SECCOMP_H */
  53