diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/sched.h | 1 | ||||
| -rw-r--r-- | include/linux/utsname.h | 11 |
2 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h index 46d6f5b..a973e70 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -24,6 +24,7 @@ #define CLONE_UNTRACED 0x00800000 /* set if the tracing process can't force CLONE_PTRACE on this clone */ #define CLONE_CHILD_SETTID 0x01000000 /* set the TID in the child */ #define CLONE_STOPPED 0x02000000 /* Start in stopped state */ +#define CLONE_NEWUTS 0x04000000 /* New utsname group? */ /* * Scheduling policies diff --git a/include/linux/utsname.h b/include/linux/utsname.h index 99e5223..02e4b69 100644 --- a/include/linux/utsname.h +++ b/include/linux/utsname.h @@ -47,6 +47,8 @@ static inline void get_uts_ns(struct uts_namespace *ns) } #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); @@ -55,6 +57,15 @@ 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; |