Monitory

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Last updated: May 14, 2025

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Hint	Answer
notify deklarace	struct Monitor{
	semaphor mutex, condition;
	int condCount;
	}
notify inicializace	void initS(struct Monitor *s){
	init(s->mutex, 1);
	init(s->condition, 0);
	s->condCount = 0;
	}
enter	void enter(struct Monitor *s){
	lock(s->mutex);
	}
wait	void wait(struct Monitor *s){
	s->condCount++;
	unlock(s->mutex);
	lock(s->condition);
	lock(s->mutex);
	}
notify	void notify(struct Monitor *s){
	if(s->condCount > 0){
	s->condCount--;
	unlock(s->condition);
	}
	}
leave	void leave(struct Monitor *s){
	unlock(s->mutex);
	}
signal deklarace	struct Monitor{
	semaphore mutex, condition, priority;
	int condCount, prioCount;
	}
signal inicializace	void Init(struct Monitor *s){

Hint	Answer
	init(s->mutex, 1);
	init(s->condition, 0);
	init(s->priority, 0);
	s->condCount = s->prioCount = 0;
	}
monitorEnter	void monitorEnter(struct Monitor *s){
	lock(s->mutex);
	}
condWait	void condWait(struct Monitor *s){
	s->condCount++;
	if(s->prioCount > 0)
	unlock(s->priority)
	else
	unlock(s->mutex);
	lock(s->condition);
	s->condCount--;
	}
condSignal	void condSignal(struct Monitor *s){
	if(s->condCount > 0){
	s->prioCount++;
	unlock(s->condition);
	lock(s->priority);
	s->prioCount--;
	}
	}
monitorExit	void monitorExit(struct Monitor *s){
	if(s->prioCount > 0)
	unlock(s->priority);
	else
	unlock(s->mutex);
	}

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