android_kernel_xiaomi_sm8350/include/linux/utsname.h

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#ifndef _LINUX_UTSNAME_H
#define _LINUX_UTSNAME_H
#define __OLD_UTS_LEN 8
struct oldold_utsname {
char sysname[9];
char nodename[9];
char release[9];
char version[9];
char machine[9];
};
#define __NEW_UTS_LEN 64
struct old_utsname {
char sysname[65];
char nodename[65];
char release[65];
char version[65];
char machine[65];
};
struct new_utsname {
char sysname[65];
char nodename[65];
char release[65];
char version[65];
char machine[65];
char domainname[65];
};
#ifdef __KERNEL__
#include <linux/sched.h>
#include <linux/kref.h>
#include <linux/nsproxy.h>
#include <asm/atomic.h>
struct uts_namespace {
struct kref kref;
struct new_utsname name;
};
extern struct uts_namespace init_uts_ns;
static inline void get_uts_ns(struct uts_namespace *ns)
{
kref_get(&ns->kref);
}
#ifdef CONFIG_UTS_NS
extern int unshare_utsname(unsigned long unshare_flags,
struct uts_namespace **new_uts);
extern int copy_utsname(int flags, struct task_struct *tsk);
extern void free_uts_ns(struct kref *kref);
static inline void put_uts_ns(struct uts_namespace *ns)
{
kref_put(&ns->kref, free_uts_ns);
}
#else
static inline int unshare_utsname(unsigned long unshare_flags,
struct uts_namespace **new_uts)
{
if (unshare_flags & CLONE_NEWUTS)
return -EINVAL;
return 0;
}
static inline int copy_utsname(int flags, struct task_struct *tsk)
{
return 0;
}
static inline void put_uts_ns(struct uts_namespace *ns)
{
}
#endif
static inline struct new_utsname *utsname(void)
{
return &current->nsproxy->uts_ns->name;
}
static inline struct new_utsname *init_utsname(void)
{
return &init_uts_ns.name;
}
extern struct rw_semaphore uts_sem;
#endif /* __KERNEL__ */
#endif /* _LINUX_UTSNAME_H */