prévenir

Lenotify()fonction est utilisée pour réveiller un fil d'attente (le cas échéant).wait()La méthode sera réveillée.

Il faut le signaler.

function consumer(dict, condition) {
    while (true) {
        condition.acquire()
        while (dict.get("array").length == 0) {
            Log(threading.currentThread().name(), "wait()...", ", array:", dict.get("array"))
            condition.wait()
        }
        var arr = dict.get("array")
        var num = arr.shift()
        Log(threading.currentThread().name(), ", num:", num, ", array:", arr, "#FF0000")
        dict.set("array", arr)
        Sleep(1000)
        condition.release()
    }
}

function main() {
    var condition = threading.Condition()
    var dict = threading.Dict()
    dict.set("array", [])
    var t1 = threading.Thread(consumer, dict, condition)
    var t2 = threading.Thread(consumer, dict, condition)
    var t3 = threading.Thread(consumer, dict, condition)
    Sleep(1000)
    var i = 0
    while (true) {
        condition.acquire()
        var msg = ""
        var arr = dict.get("array")
        var randomNum = Math.floor(Math.random() * 5) + 1
        if (arr.length >= 3) {
            condition.notifyAll()
            msg = "notifyAll"
        } else {
            arr.push(i)
            dict.set("array", arr)
            if (randomNum > 3 && arr.length > 0) {
                condition.notify()
                msg = "notify"
            } else {
                msg = "pass"
            }
            i++
        }

        Log(_D(), "randomNum:", randomNum, ", array:", arr, ", msg:", msg)
        condition.release()
        Sleep(1000)
    }
}

Utilisez lenotify()fonction pour réveiller le fil d'attente.

Lenotify()fonction réveille un fil dans la file d'attente.

Lorsque lenotify()fonction réveille un fil, le fil récupérera le verrou de fil.

{@fun/Threads/ThreadCondition/notifyAll notifyAll}, {@fun/Threads/ThreadCondition/wait wait}, {@fun/Threads/ThreadCondition/acquérir acquérir}, {@fun/Threads/ThreadCondition/release release}

ThreadÉvénement prévenir tout le monde