include/linux/seccomp.h

   1 #ifndef _LINUX_SECCOMP_H
   2 #define _LINUX_SECCOMP_H
   3
   4
   5 #ifdef CONFIG_SECCOMP
   6
   7 #define NR_SECCOMP_MODES 1
   8
   9 #include <linux/thread_info.h>
  10 #include <asm/seccomp.h>
  11
  12 typedef struct { int mode; } seccomp_t;
  13
  14 extern void __secure_computing(int);
  15 static inline void secure_computing(int this_syscall)
  16 {
  17         if (unlikely(test_thread_flag(TIF_SECCOMP)))
  18                 __secure_computing(this_syscall);
  19 }
  20
  21 static inline int has_secure_computing(struct thread_info *ti)
  22 {
  23         return unlikely(test_ti_thread_flag(ti, TIF_SECCOMP));
  24 }
  25
  26 #else /* CONFIG_SECCOMP */
  27
  28 typedef struct { } seccomp_t;
  29
  30 #define secure_computing(x) do { } while (0)
  31 /* static inline to preserve typechecking */
  32 static inline int has_secure_computing(struct thread_info *ti)
  33 {
  34         return 0;
  35 }
  36
  37 #endif /* CONFIG_SECCOMP */
  38
  39 #endif /* _LINUX_SECCOMP_H */