освобождение

Вrelease()Функция используется для освобождения блокировки нити (отключения).

освобождение))

function consumer(productionQuantity, dict, pLock, cLock) {
    for (var i = 0; i < productionQuantity; i++) {
        pLock.acquire()
        cLock.acquire()
        var arr = dict.get("array")
        var count = arr.shift()
        dict.set("array", arr)
        Log("consumer:", count, ", array:", arr)
        cLock.release()
        Sleep(1000)
        pLock.release()
    }
}

function producer(productionQuantity, dict, pLock, cLock) {
    for (var i = 0; i < productionQuantity; i++) {
        cLock.acquire()   // cLock.acquire() placed after pLock.acquire() will not cause deadlock
        pLock.acquire()   
        var arr = dict.get("array")
        arr.push(i)
        dict.set("array", arr)
        Log("producer:", i, ", array:", arr)
        pLock.release()
        Sleep(1000)
        cLock.release()
    }
}

function main() {
    var dict = threading.Dict()
    dict.set("array", [])
    var pLock = threading.Lock()
    var cLock = threading.Lock()
    var productionQuantity = 10
    var producerThread = threading.Thread(producer, productionQuantity, dict, pLock, cLock)
    var consumerThread = threading.Thread(consumer, productionQuantity, dict, pLock, cLock)

    consumerThread.join()
    producerThread.join()
}

Испытание сценариев тупика

Следует отметить, что неправильное использование резьбовых замков может привести к тупику.

{@fun/Threads/threading/Lock Lock}, {@fun/Threads/ThreadLock/acquire acquire}, {@fun/Threads/Threads/threading/Lock Lock}, {@fun/Threads/ThreadLock/acquire acquire}, {@fun/Threads/Threads/threading/Lock Lock}, {@fun/Threads/Threads/ThreadLock/acquire acquire}, {@fun/Threads/Threads/acquire acquire}, {@fun/Threads/Threads/acquire acquire}, {@fun/Threads/Threads/Threads/Lock Lock}, {@fun/Threads/Threads/Threads/acquire}, {@threading/LockLock}, {@fun/Threads/Threads/Threads/threads}

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