40 lines
641 B
Go
40 lines
641 B
Go
// Package q1226 implements a solution for https://leetcode.com/problems/the-dining-philosophers/
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package q1226
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import "sync"
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var (
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pick = sync.Mutex{}
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forks = [5]sync.Mutex{}
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)
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type DiningPhilosophers struct {
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}
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func (p *DiningPhilosophers) wantsToEat(
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philosopher int,
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pickLeftFork func(),
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pickRightFork func(),
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eat func(),
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putLeftFork func(),
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putRightFork func(),
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) {
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l, r := &forks[philosopher], &forks[(philosopher+1)%5]
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pick.Lock()
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l.Lock()
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r.Lock()
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pick.Unlock()
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pickLeftFork()
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pickRightFork()
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eat()
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putLeftFork()
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l.Unlock()
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putRightFork()
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r.Unlock()
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}
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var _t = DiningPhilosophers{}
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var _ = _t.wantsToEat
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