1 #ifndef _LINUX_UTSNAME_H
2 #define _LINUX_UTSNAME_H
4 #define __OLD_UTS_LEN 8
6 struct oldold_utsname {
14 #define __NEW_UTS_LEN 64
35 #include <linux/sched.h>
36 #include <linux/kref.h>
37 #include <linux/nsproxy.h>
38 #include <asm/atomic.h>
40 struct uts_namespace {
42 struct new_utsname name;
44 extern struct uts_namespace init_uts_ns;
46 static inline void get_uts_ns(struct uts_namespace *ns)
51 extern struct uts_namespace *copy_utsname(int flags, struct uts_namespace *ns);
52 extern void free_uts_ns(struct kref *kref);
54 static inline void put_uts_ns(struct uts_namespace *ns)
56 kref_put(&ns->kref, free_uts_ns);
58 static inline struct new_utsname *utsname(void)
60 return ¤t->nsproxy->uts_ns->name;
63 static inline struct new_utsname *init_utsname(void)
65 return &init_uts_ns.name;
68 extern struct rw_semaphore uts_sem;
70 #endif /* __KERNEL__ */
72 #endif /* _LINUX_UTSNAME_H */