diff options
Diffstat (limited to 'kernel/sched_autogroup.h')
| -rw-r--r-- | kernel/sched_autogroup.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/kernel/sched_autogroup.h b/kernel/sched_autogroup.h new file mode 100644 index 00000000..05577055 --- /dev/null +++ b/kernel/sched_autogroup.h @@ -0,0 +1,41 @@ +#ifdef CONFIG_SCHED_AUTOGROUP + +struct autogroup { + /* + * reference doesn't mean how many thread attach to this + * autogroup now. It just stands for the number of task + * could use this autogroup. + */ + struct kref kref; + struct task_group *tg; + struct rw_semaphore lock; + unsigned long id; + int nice; +}; + +static inline struct task_group * +autogroup_task_group(struct task_struct *p, struct task_group *tg); + +#else /* !CONFIG_SCHED_AUTOGROUP */ + +static inline void autogroup_init(struct task_struct *init_task) { } +static inline void autogroup_free(struct task_group *tg) { } +static inline bool task_group_is_autogroup(struct task_group *tg) +{ + return 0; +} + +static inline struct task_group * +autogroup_task_group(struct task_struct *p, struct task_group *tg) +{ + return tg; +} + +#ifdef CONFIG_SCHED_DEBUG +static inline int autogroup_path(struct task_group *tg, char *buf, int buflen) +{ + return 0; +} +#endif + +#endif /* CONFIG_SCHED_AUTOGROUP */ |