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52 lines
1.0 KiB
C
52 lines
1.0 KiB
C
/**
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* @ingroup kernel
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* @{
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* @file
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* @author Freie Universität Berlin, Computer Systems & Telematics, FeuerWhere project
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* @author Kaspar Schleiser <kaspar@schleiser.de>
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*/
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#ifndef _SCHEDULER_H
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#define _SCHEDULER_H
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#include <stddef.h>
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#include <bitarithm.h>
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#include "tcb.h"
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#define MAXTHREADS 32
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#if ARCH_32_BIT
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#define SCHED_PRIO_LEVELS 32
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#else
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#define SCHED_PRIO_LEVELS 16
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#endif
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void sched_init(void);
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void sched_run(void);
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void sched_set_status(tcb_t *process, unsigned int status);
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void sched_switch(uint16_t current_prio, uint16_t other_prio, int in_isr);
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extern volatile unsigned int sched_context_switch_request;
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extern volatile tcb_t *sched_threads[MAXTHREADS];
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extern volatile tcb_t *active_thread;
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extern volatile int num_tasks;
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extern volatile int thread_pid;
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//#define SCHEDSTATISTICS
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#if SCHEDSTATISTICS
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typedef struct schedstat {
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unsigned int laststart;
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unsigned int schedules;
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unsigned int runtime;
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}schedstat;
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extern schedstat pidlist[MAXTHREADS];
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#endif
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/** @} */
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#endif // _SCHEDULER_H
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