82 lines
1.9 KiB
C
82 lines
1.9 KiB
C
#ifndef KERNEL_SCHED_SCHED_H
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#define KERNEL_SCHED_SCHED_H
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#include <stdint.h>
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#include <tianole/sched.h>
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#include <tianole/spinlock.h>
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extern struct thread *run_queue_head;
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extern struct thread *run_queue_tail;
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extern struct thread *current_thread;
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extern uintptr_t boot_stack_pointer;
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extern uint64_t next_thread_id;
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extern int scheduler_ready;
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extern int schedule_locked;
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extern int need_resched;
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extern struct thread *idle_thread;
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extern struct spinlock scheduler_lock;
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static inline int thread_is_ready(const struct thread *thread)
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{
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return thread != 0 && thread->state == THREAD_READY;
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}
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static inline int thread_is_running(const struct thread *thread)
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{
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return thread != 0 && thread->state == THREAD_RUNNING;
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}
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static inline int thread_is_sleeping(const struct thread *thread)
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{
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return thread != 0 && thread->state == THREAD_SLEEPING;
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}
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static inline int thread_is_waiting(const struct thread *thread)
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{
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return thread != 0 && thread->state == THREAD_WAITING;
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}
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static inline int thread_is_dead(const struct thread *thread)
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{
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return thread != 0 && thread->state == THREAD_DEAD;
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}
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static inline void thread_set_ready(struct thread *thread)
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{
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thread->wake_tick = 0;
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thread->state = THREAD_READY;
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}
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static inline void thread_set_running(struct thread *thread)
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{
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thread->state = THREAD_RUNNING;
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}
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static inline void thread_set_sleeping(
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struct thread *thread, uint64_t wake_tick)
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{
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thread->wake_tick = wake_tick;
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thread->state = THREAD_SLEEPING;
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}
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static inline void thread_set_waiting(struct thread *thread)
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{
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thread->wake_tick = 0;
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thread->state = THREAD_WAITING;
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}
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static inline void thread_set_dead(struct thread *thread)
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{
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thread->wake_tick = 0;
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thread->state = THREAD_DEAD;
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}
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void enqueue_thread(struct thread *thread);
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void sched_reap_dead_threads(void);
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void sched_selftest(void);
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int sched_idle_create(void);
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void sched_demo_start(void) __attribute__((noreturn));
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#endif
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