Commit | Line | Data |
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8bd75c77 CW |
1 | #ifndef _SCHED_RT_H |
2 | #define _SCHED_RT_H | |
3 | ||
5c228079 | 4 | #include <linux/sched/prio.h> |
8bd75c77 CW |
5 | |
6 | static inline int rt_prio(int prio) | |
7 | { | |
8 | if (unlikely(prio < MAX_RT_PRIO)) | |
9 | return 1; | |
10 | return 0; | |
11 | } | |
12 | ||
13 | static inline int rt_task(struct task_struct *p) | |
14 | { | |
15 | return rt_prio(p->prio); | |
16 | } | |
17 | ||
18 | #ifdef CONFIG_RT_MUTEXES | |
19 | extern int rt_mutex_getprio(struct task_struct *p); | |
20 | extern void rt_mutex_setprio(struct task_struct *p, int prio); | |
0782e63b | 21 | extern int rt_mutex_get_effective_prio(struct task_struct *task, int newprio); |
2d3d891d | 22 | extern struct task_struct *rt_mutex_get_top_task(struct task_struct *task); |
8bd75c77 CW |
23 | extern void rt_mutex_adjust_pi(struct task_struct *p); |
24 | static inline bool tsk_is_pi_blocked(struct task_struct *tsk) | |
25 | { | |
26 | return tsk->pi_blocked_on != NULL; | |
27 | } | |
f3871408 JD |
28 | extern int rt_mutex_get_effective_policy(int policy, int prio); |
29 | extern int rt_mutex_get_effective_rt_prio(int prio); | |
8bd75c77 CW |
30 | #else |
31 | static inline int rt_mutex_getprio(struct task_struct *p) | |
32 | { | |
33 | return p->normal_prio; | |
34 | } | |
c365c292 | 35 | |
0782e63b TG |
36 | static inline int rt_mutex_get_effective_prio(struct task_struct *task, |
37 | int newprio) | |
c365c292 | 38 | { |
0782e63b | 39 | return newprio; |
c365c292 TG |
40 | } |
41 | ||
2d3d891d DF |
42 | static inline struct task_struct *rt_mutex_get_top_task(struct task_struct *task) |
43 | { | |
44 | return NULL; | |
45 | } | |
8bd75c77 CW |
46 | # define rt_mutex_adjust_pi(p) do { } while (0) |
47 | static inline bool tsk_is_pi_blocked(struct task_struct *tsk) | |
48 | { | |
49 | return false; | |
50 | } | |
f3871408 JD |
51 | static inline int rt_mutex_get_effective_policy(int policy, int prio); |
52 | { | |
53 | return policy; | |
54 | } | |
55 | static inline int rt_mutex_get_effective_rt_prio(int prio) | |
56 | { | |
57 | return task->rt_priority; | |
58 | } | |
8bd75c77 CW |
59 | #endif |
60 | ||
61 | extern void normalize_rt_tasks(void); | |
62 | ||
63 | ||
bc681593 CW |
64 | /* |
65 | * default timeslice is 100 msecs (used only for SCHED_RR tasks). | |
66 | * Timeslices get refilled after they expire. | |
67 | */ | |
68 | #define RR_TIMESLICE (100 * HZ / 1000) | |
69 | ||
8bd75c77 | 70 | #endif /* _SCHED_RT_H */ |