1 #ifndef _LINUX_SECCOMP_H
2 #define _LINUX_SECCOMP_H
4 #include <uapi/linux/seccomp.h>
6 #define SECCOMP_FILTER_FLAG_MASK (SECCOMP_FILTER_FLAG_TSYNC)
10 #include <linux/thread_info.h>
11 #include <asm/seccomp.h>
13 struct seccomp_filter;
15 * struct seccomp - the state of a seccomp'ed process
17 * @mode: indicates one of the valid values above for controlled
18 * system calls available to a process.
19 * @filter: must always point to a valid seccomp-filter or NULL as it is
20 * accessed without locking during system call entry.
22 * @filter must only be accessed from the context of current as there
27 struct seccomp_filter *filter;
30 extern int __secure_computing(int);
31 static inline int secure_computing(int this_syscall)
33 if (unlikely(test_thread_flag(TIF_SECCOMP)))
34 return __secure_computing(this_syscall);
38 /* A wrapper for architectures supporting only SECCOMP_MODE_STRICT. */
39 static inline void secure_computing_strict(int this_syscall)
41 BUG_ON(secure_computing(this_syscall) != 0);
44 extern long prctl_get_seccomp(void);
45 extern long prctl_set_seccomp(unsigned long, char __user *);
47 static inline int seccomp_mode(struct seccomp *s)
52 #else /* CONFIG_SECCOMP */
54 #include <linux/errno.h>
57 struct seccomp_filter { };
59 static inline int secure_computing(int this_syscall) { return 0; }
60 static inline void secure_computing_strict(int this_syscall) { return; }
62 static inline long prctl_get_seccomp(void)
67 static inline long prctl_set_seccomp(unsigned long arg2, char __user *arg3)
72 static inline int seccomp_mode(struct seccomp *s)
76 #endif /* CONFIG_SECCOMP */
78 #ifdef CONFIG_SECCOMP_FILTER
79 extern void put_seccomp_filter(struct task_struct *tsk);
80 extern void get_seccomp_filter(struct task_struct *tsk);
81 #else /* CONFIG_SECCOMP_FILTER */
82 static inline void put_seccomp_filter(struct task_struct *tsk)
86 static inline void get_seccomp_filter(struct task_struct *tsk)
90 #endif /* CONFIG_SECCOMP_FILTER */
91 #endif /* _LINUX_SECCOMP_H */