/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _LINUX_SCHED_RT_H #define _LINUX_SCHED_RT_H #include <linux/sched.h> struct task_struct; static inline int rt_prio(int prio) { if (unlikely(prio < MAX_RT_PRIO)) return 1; return 0; } static inline int rt_task(struct task_struct *p) { return rt_prio(p->prio); } static inline bool task_is_realtime(struct task_struct *tsk) { int policy = tsk->policy; if (policy == SCHED_FIFO || policy == SCHED_RR) return true; if (policy == SCHED_DEADLINE) return true; return false; } #ifdef CONFIG_RT_MUTEXES /* * Must hold either p->pi_lock or task_rq(p)->lock. */ static inline struct task_struct *rt_mutex_get_top_task(struct task_struct *p) { return p->pi_top_task; } extern void rt_mutex_setprio(struct task_struct *p, struct task_struct *pi_task); extern void rt_mutex_adjust_pi(struct task_struct *p); static inline bool tsk_is_pi_blocked(struct task_struct *tsk) { return tsk->pi_blocked_on != NULL; } #else static inline struct task_struct *rt_mutex_get_top_task(struct task_struct *task) { return NULL; } # define rt_mutex_adjust_pi(p) do { } while (0) static inline bool tsk_is_pi_blocked(struct task_struct *tsk) { return false; } #endif extern void normalize_rt_tasks(void); /* * default timeslice is 100 msecs (used only for SCHED_RR tasks). * Timeslices get refilled after they expire. */ #define RR_TIMESLICE (100 * HZ / 1000) #endif /* _LINUX_SCHED_RT_H */
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autogroup.h | File | 1.2 KB | 0644 |
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clock.h | File | 2.45 KB | 0644 |
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coredump.h | File | 2.75 KB | 0644 |
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cpufreq.h | File | 887 B | 0644 |
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cputime.h | File | 5.13 KB | 0644 |
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deadline.h | File | 597 B | 0644 |
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debug.h | File | 1.41 KB | 0644 |
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hotplug.h | File | 578 B | 0644 |
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idle.h | File | 1.77 KB | 0644 |
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init.h | File | 240 B | 0644 |
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isolation.h | File | 1.33 KB | 0644 |
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jobctl.h | File | 1.46 KB | 0644 |
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loadavg.h | File | 1.17 KB | 0644 |
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mm.h | File | 7.63 KB | 0644 |
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nohz.h | File | 1.22 KB | 0644 |
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numa_balancing.h | File | 1.26 KB | 0644 |
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prio.h | File | 1.71 KB | 0644 |
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rt.h | File | 1.41 KB | 0644 |
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signal.h | File | 17.79 KB | 0644 |
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smt.h | File | 415 B | 0644 |
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stat.h | File | 1.02 KB | 0644 |
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sysctl.h | File | 2.5 KB | 0644 |
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task.h | File | 3.94 KB | 0644 |
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task_stack.h | File | 3.03 KB | 0644 |
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topology.h | File | 6.18 KB | 0644 |
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user.h | File | 1.7 KB | 0644 |
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wake_q.h | File | 1.79 KB | 0644 |
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xacct.h | File | 854 B | 0644 |
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