Ingo Molnar
9ccd27cc2e
Make each header self-sufficient, so that it can be built successfully both in an allnoconfig and allyesconfig kernel. Also standardize the naming of their header guards. Acked-by: Linus Torvalds <[email protected]> Cc: Mike Galbraith <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Thomas Gleixner <[email protected]> Cc: [email protected] Signed-off-by: Ingo Molnar <[email protected]>
63 lines
1.4 KiB
C
63 lines
1.4 KiB
C
#ifndef _LINUX_SCHED_RT_H
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#define _LINUX_SCHED_RT_H
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#include <linux/sched.h>
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struct task_struct;
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static inline int rt_prio(int prio)
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{
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if (unlikely(prio < MAX_RT_PRIO))
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return 1;
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return 0;
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}
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static inline int rt_task(struct task_struct *p)
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{
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return rt_prio(p->prio);
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}
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#ifdef CONFIG_RT_MUTEXES
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extern int rt_mutex_getprio(struct task_struct *p);
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extern void rt_mutex_setprio(struct task_struct *p, int prio);
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extern int rt_mutex_get_effective_prio(struct task_struct *task, int newprio);
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extern struct task_struct *rt_mutex_get_top_task(struct task_struct *task);
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extern void rt_mutex_adjust_pi(struct task_struct *p);
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static inline bool tsk_is_pi_blocked(struct task_struct *tsk)
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{
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return tsk->pi_blocked_on != NULL;
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}
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#else
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static inline int rt_mutex_getprio(struct task_struct *p)
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{
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return p->normal_prio;
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}
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static inline int rt_mutex_get_effective_prio(struct task_struct *task,
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int newprio)
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{
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return newprio;
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}
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static inline struct task_struct *rt_mutex_get_top_task(struct task_struct *task)
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{
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return NULL;
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}
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# define rt_mutex_adjust_pi(p) do { } while (0)
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static inline bool tsk_is_pi_blocked(struct task_struct *tsk)
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{
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return false;
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}
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#endif
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extern void normalize_rt_tasks(void);
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/*
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* default timeslice is 100 msecs (used only for SCHED_RR tasks).
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* Timeslices get refilled after they expire.
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*/
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#define RR_TIMESLICE (100 * HZ / 1000)
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#endif /* _LINUX_SCHED_RT_H */
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