mirror of https://gitee.com/openkylin/linux.git
43 lines
1014 B
C
43 lines
1014 B
C
#ifdef CONFIG_SCHED_AUTOGROUP
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struct autogroup {
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/*
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* reference doesn't mean how many thread attach to this
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* autogroup now. It just stands for the number of task
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* could use this autogroup.
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*/
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struct kref kref;
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struct task_group *tg;
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struct rw_semaphore lock;
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unsigned long id;
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int nice;
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};
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static inline bool task_group_is_autogroup(struct task_group *tg);
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static inline struct task_group *
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autogroup_task_group(struct task_struct *p, struct task_group *tg);
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#else /* !CONFIG_SCHED_AUTOGROUP */
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static inline void autogroup_init(struct task_struct *init_task) { }
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static inline void autogroup_free(struct task_group *tg) { }
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static inline bool task_group_is_autogroup(struct task_group *tg)
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{
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return 0;
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}
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static inline struct task_group *
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autogroup_task_group(struct task_struct *p, struct task_group *tg)
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{
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return tg;
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}
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#ifdef CONFIG_SCHED_DEBUG
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static inline int autogroup_path(struct task_group *tg, char *buf, int buflen)
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{
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return 0;
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}
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#endif
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#endif /* CONFIG_SCHED_AUTOGROUP */
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