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f6d0a79298
A new scheduler replaces the old one. - There are no sched_xxx_notify() calls that ask scheduler to change task state. - Tasks now have priorities and different timeslices. - One second interval is distributed among processes. - There are just runnable and expired queues. - SCHED_GRANULARITY determines a maximum running boundary for tasks. - Scheduler can now detect a safe point and suspend a task. Interruptible blocking is implemented. - Mutexes, waitqueues and ipc are modified to have an interruptible nature. - Sleep information is stored on the ktcb. (which waitqueue? etc.)
16 lines
300 B
C
16 lines
300 B
C
/*
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* Kernel preemption functions.
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*/
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#ifndef __PREEMPT_H__
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#define __PREEMPT_H__
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void preempt_enable(void);
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void preempt_disable(void);
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int preemptive(void);
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int preempt_count(void);
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int in_nested_irq_context(void);
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int in_irq_context(void);
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int in_task_context(void);
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#endif /* __PREEMPT_H__ */
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