mirror of https://github.com/yandex/odyssey.git
61 lines
1.1 KiB
C
61 lines
1.1 KiB
C
#ifndef MM_CLOCK_H
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#define MM_CLOCK_H
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/*
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* machinarium.
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*
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* cooperative multitasking engine.
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*/
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typedef struct mm_clock mm_clock_t;
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struct mm_clock
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{
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int active;
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int time_cached;
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uint64_t time_ms;
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uint64_t time_us;
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uint64_t time_ns;
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mm_buf_t timers;
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int timers_count;
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int timers_seq;
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};
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void mm_clock_init(mm_clock_t*);
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void mm_clock_free(mm_clock_t*);
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void mm_clock_update(mm_clock_t*);
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int mm_clock_step(mm_clock_t*);
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int mm_clock_timer_add(mm_clock_t*, mm_timer_t*);
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int mm_clock_timer_del(mm_clock_t*, mm_timer_t*);
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mm_timer_t*
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mm_clock_timer_min(mm_clock_t*);
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static inline void
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mm_clock_reset(mm_clock_t *clock)
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{
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clock->time_cached = 0;
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}
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static inline void
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mm_timer_start(mm_clock_t *clock, mm_timer_t *timer)
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{
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if (! clock->active)
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mm_clock_update(clock);
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clock->active = 1;
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mm_clock_timer_add(clock, timer);
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}
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static inline void
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mm_timer_stop(mm_timer_t *timer)
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{
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if (! timer->active)
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return;
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mm_clock_t *clock = timer->clock;
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mm_clock_timer_del(clock, timer);
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if (clock->timers_count == 0)
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clock->active = 0;
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}
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#endif /* MM_CLOCK_H */
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