79257a4ad6
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@30242 a95241bf-73f2-0310-859d-f6bbb57e9c96
90 lines
2.6 KiB
C
90 lines
2.6 KiB
C
/*
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* Copyright 2008-2009, Ingo Weinhold, ingo_weinhold@gmx.de.
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* Copyright 2005, Axel Dörfler, axeld@pinc-software.de.
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* Distributed under the terms of the MIT License.
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*/
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#ifndef KERNEL_SCHEDULER_H
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#define KERNEL_SCHEDULER_H
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#include <SupportDefs.h>
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struct scheduling_analysis;
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struct thread;
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struct SchedulerListener;
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#ifdef __cplusplus
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#include <util/DoublyLinkedList.h>
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struct SchedulerListener : DoublyLinkedListLinkImpl<SchedulerListener> {
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virtual ~SchedulerListener();
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virtual void ThreadEnqueuedInRunQueue(
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struct thread* thread) = 0;
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virtual void ThreadRemovedFromRunQueue(
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struct thread* thread) = 0;
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virtual void ThreadScheduled(struct thread* oldThread,
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struct thread* newThread) = 0;
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};
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typedef DoublyLinkedList<SchedulerListener> SchedulerListenerList;
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extern SchedulerListenerList gSchedulerListeners;
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#endif // __cplusplus
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struct scheduler_ops {
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void (*enqueue_in_run_queue)(struct thread* thread);
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void (*reschedule)(void);
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void (*set_thread_priority)(struct thread* thread, int32 priority);
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// called when the thread structure is first created -
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// initialization of per-thread housekeeping data structures should
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// be done here
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void (*on_thread_create)(struct thread* thread);
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// called when a thread structure is initialized and made ready for
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// use - should be used to reset the housekeeping data structures
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// if needed
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void (*on_thread_init)(struct thread* thread);
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// called when a thread structure is freed - freeing up any allocated
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// mem on the scheduler's part should be done here
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void (*on_thread_destroy)(struct thread* thread);
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void (*start)(void);
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};
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extern struct scheduler_ops* gScheduler;
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#define scheduler_enqueue_in_run_queue(thread) \
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gScheduler->enqueue_in_run_queue(thread)
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#define scheduler_set_thread_priority(thread, priority) \
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gScheduler->set_thread_priority(thread, priority)
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#define scheduler_reschedule() gScheduler->reschedule()
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#define scheduler_start() gScheduler->start()
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#define scheduler_on_thread_create(thread) \
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gScheduler->on_thread_create(thread)
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#define scheduler_on_thread_init(thread) \
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gScheduler->on_thread_init(thread)
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#define scheduler_on_thread_destroy(thread) \
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gScheduler->on_thread_destroy(thread)
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#ifdef __cplusplus
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extern "C" {
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#endif
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void scheduler_add_listener(struct SchedulerListener* listener);
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void scheduler_remove_listener(struct SchedulerListener* listener);
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void scheduler_init(void);
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status_t _user_analyze_scheduling(bigtime_t from, bigtime_t until, void* buffer,
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size_t size, struct scheduling_analysis* analysis);
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#ifdef __cplusplus
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}
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#endif
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#endif /* KERNEL_SCHEDULER_H */
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