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git.proxmox.com Git - mirror_ubuntu-bionic-kernel.git/blob - include/linux/sched/rt.h
1 #ifndef _LINUX_SCHED_RT_H
2 #define _LINUX_SCHED_RT_H
4 #include <linux/sched.h>
8 static inline int rt_prio(int prio
)
10 if (unlikely(prio
< MAX_RT_PRIO
))
15 static inline int rt_task(struct task_struct
*p
)
17 return rt_prio(p
->prio
);
20 #ifdef CONFIG_RT_MUTEXES
22 * Must hold either p->pi_lock or task_rq(p)->lock.
24 static inline struct task_struct
*rt_mutex_get_top_task(struct task_struct
*p
)
26 return p
->pi_top_task
;
28 extern void rt_mutex_setprio(struct task_struct
*p
, struct task_struct
*pi_task
);
29 extern void rt_mutex_adjust_pi(struct task_struct
*p
);
30 static inline bool tsk_is_pi_blocked(struct task_struct
*tsk
)
32 return tsk
->pi_blocked_on
!= NULL
;
35 static inline struct task_struct
*rt_mutex_get_top_task(struct task_struct
*task
)
39 # define rt_mutex_adjust_pi(p) do { } while (0)
40 static inline bool tsk_is_pi_blocked(struct task_struct
*tsk
)
46 extern void normalize_rt_tasks(void);
50 * default timeslice is 100 msecs (used only for SCHED_RR tasks).
51 * Timeslices get refilled after they expire.
53 #define RR_TIMESLICE (100 * HZ / 1000)
55 #endif /* _LINUX_SCHED_RT_H */