rr3-apk/decompiled-community/sources/kotlinx/coroutines/internal/LockFreeTaskQueue.java

package kotlinx.coroutines.internal;

import androidx.concurrent.futures.AbstractResolvableFuture$SafeAtomicHelper$$ExternalSyntheticBackportWithForwarding0;
import java.util.concurrent.atomic.AtomicReferenceFieldUpdater;

/* loaded from: classes5.dex */
public class LockFreeTaskQueue {
    public static final AtomicReferenceFieldUpdater _cur$FU = AtomicReferenceFieldUpdater.newUpdater(LockFreeTaskQueue.class, Object.class, "_cur");
    private volatile Object _cur;

    public LockFreeTaskQueue(boolean z) {
        this._cur = new LockFreeTaskQueueCore(8, z);
    }

    public final int getSize() {
        return ((LockFreeTaskQueueCore) _cur$FU.get(this)).getSize();
    }

    public final void close() {
        AtomicReferenceFieldUpdater atomicReferenceFieldUpdater = _cur$FU;
        while (true) {
            LockFreeTaskQueueCore lockFreeTaskQueueCore = (LockFreeTaskQueueCore) atomicReferenceFieldUpdater.get(this);
            if (lockFreeTaskQueueCore.close()) {
                return;
            } else {
                AbstractResolvableFuture$SafeAtomicHelper$$ExternalSyntheticBackportWithForwarding0.m(_cur$FU, this, lockFreeTaskQueueCore, lockFreeTaskQueueCore.next());
            }
        }
    }

    public final boolean addLast(Object obj) {
        AtomicReferenceFieldUpdater atomicReferenceFieldUpdater = _cur$FU;
        while (true) {
            LockFreeTaskQueueCore lockFreeTaskQueueCore = (LockFreeTaskQueueCore) atomicReferenceFieldUpdater.get(this);
            int addLast = lockFreeTaskQueueCore.addLast(obj);
            if (addLast == 0) {
                return true;
            }
            if (addLast == 1) {
                AbstractResolvableFuture$SafeAtomicHelper$$ExternalSyntheticBackportWithForwarding0.m(_cur$FU, this, lockFreeTaskQueueCore, lockFreeTaskQueueCore.next());
            } else if (addLast == 2) {
                return false;
            }
        }
    }

    public final Object removeFirstOrNull() {
        AtomicReferenceFieldUpdater atomicReferenceFieldUpdater = _cur$FU;
        while (true) {
            LockFreeTaskQueueCore lockFreeTaskQueueCore = (LockFreeTaskQueueCore) atomicReferenceFieldUpdater.get(this);
            Object removeFirstOrNull = lockFreeTaskQueueCore.removeFirstOrNull();
            if (removeFirstOrNull != LockFreeTaskQueueCore.REMOVE_FROZEN) {
                return removeFirstOrNull;
            }
            AbstractResolvableFuture$SafeAtomicHelper$$ExternalSyntheticBackportWithForwarding0.m(_cur$FU, this, lockFreeTaskQueueCore, lockFreeTaskQueueCore.next());
        }
    }
}