From: Sukadev Bhattiprolu <[EMAIL PROTECTED]> Subject: [PATCH 5/7][v2]: Implement get_pts_ns() and put_pts_ns()
Implement get_pts_ns() and put_pts_ns() interfaces. Signed-off-by: Sukadev Bhattiprolu <[EMAIL PROTECTED]> --- include/linux/devpts_fs.h | 21 ++++++++++++++++++++- 1 file changed, 20 insertions(+), 1 deletion(-) Index: 2.6.25-rc5-mm1/include/linux/devpts_fs.h =================================================================== --- 2.6.25-rc5-mm1.orig/include/linux/devpts_fs.h 2008-04-02 22:35:35.000000000 -0700 +++ 2.6.25-rc5-mm1/include/linux/devpts_fs.h 2008-04-02 22:42:08.000000000 -0700 @@ -27,13 +27,26 @@ struct pts_namespace { extern struct pts_namespace init_pts_ns; #ifdef CONFIG_UNIX98_PTYS - int devpts_new_index(void); void devpts_kill_index(int idx); int devpts_pty_new(struct tty_struct *tty); /* mknod in devpts */ struct tty_struct *devpts_get_tty(int number); /* get tty structure */ void devpts_pty_kill(int number); /* unlink */ +static inline void free_pts_ns(struct kref *ns_kref) { } + +static inline struct pts_namespace *get_pts_ns(struct pts_namespace *ns) +{ + if (ns && (ns != &init_pts_ns)) + kref_get(&ns->kref); + return ns; +} +static inline void put_pts_ns(struct pts_namespace *ns) +{ + if (ns && (ns != &init_pts_ns)) + kref_put(&ns->kref, free_pts_ns); +} + #else /* Dummy stubs in the no-pty case */ @@ -43,6 +56,12 @@ static inline int devpts_pty_new(struct static inline struct tty_struct *devpts_get_tty(int number) { return NULL; } static inline void devpts_pty_kill(int number) { } +static inline struct pts_namespace *get_pts_ns(struct pts_namespace *ns) +{ + return &init_pts_ns; +} + +static inline void put_pts_ns(struct pts_namespace *ns) { } #endif _______________________________________________ Containers mailing list [EMAIL PROTECTED] https://lists.linux-foundation.org/mailman/listinfo/containers _______________________________________________ Devel mailing list Devel@openvz.org https://openvz.org/mailman/listinfo/devel