.class public Lkotlinx/coroutines/internal/LockFreeTaskQueue;
.super Ljava/lang/Object;
.source "SourceFile"


# static fields
.field public static final _cur$FU:Ljava/util/concurrent/atomic/AtomicReferenceFieldUpdater;


# instance fields
.field private volatile _cur:Ljava/lang/Object;


# direct methods
.method static constructor <clinit>()V
    .locals 3

    const-class v0, Ljava/lang/Object;

    const-string v1, "_cur"

    const-class v2, Lkotlinx/coroutines/internal/LockFreeTaskQueue;

    invoke-static {v2, v0, v1}, Ljava/util/concurrent/atomic/AtomicReferenceFieldUpdater;->newUpdater(Ljava/lang/Class;Ljava/lang/Class;Ljava/lang/String;)Ljava/util/concurrent/atomic/AtomicReferenceFieldUpdater;

    move-result-object v0

    sput-object v0, Lkotlinx/coroutines/internal/LockFreeTaskQueue;->_cur$FU:Ljava/util/concurrent/atomic/AtomicReferenceFieldUpdater;

    return-void
.end method

.method public constructor <init>(Z)V
    .locals 2

    .line 30
    invoke-direct {p0}, Ljava/lang/Object;-><init>()V

    .line 33
    new-instance v0, Lkotlinx/coroutines/internal/LockFreeTaskQueueCore;

    const/16 v1, 0x8

    invoke-direct {v0, v1, p1}, Lkotlinx/coroutines/internal/LockFreeTaskQueueCore;-><init>(IZ)V

    iput-object v0, p0, Lkotlinx/coroutines/internal/LockFreeTaskQueue;->_cur:Ljava/lang/Object;

    return-void
.end method


# virtual methods
.method public final addLast(Ljava/lang/Object;)Z
    .locals 4

    sget-object v0, Lkotlinx/coroutines/internal/LockFreeTaskQueue;->_cur$FU:Ljava/util/concurrent/atomic/AtomicReferenceFieldUpdater;

    :goto_0
    invoke-virtual {v0, p0}, Ljava/util/concurrent/atomic/AtomicReferenceFieldUpdater;->get(Ljava/lang/Object;)Ljava/lang/Object;

    move-result-object v1

    check-cast v1, Lkotlinx/coroutines/internal/LockFreeTaskQueueCore;

    .line 48
    invoke-virtual {v1, p1}, Lkotlinx/coroutines/internal/LockFreeTaskQueueCore;->addLast(Ljava/lang/Object;)I

    move-result v2

    const/4 v3, 0x1

    if-eqz v2, :cond_2

    if-eq v2, v3, :cond_1

    const/4 v1, 0x2

    if-eq v2, v1, :cond_0

    goto :goto_0

    :cond_0
    const/4 p1, 0x0

    return p1

    :cond_1
    sget-object v2, Lkotlinx/coroutines/internal/LockFreeTaskQueue;->_cur$FU:Ljava/util/concurrent/atomic/AtomicReferenceFieldUpdater;

    .line 51
    invoke-virtual {v1}, Lkotlinx/coroutines/internal/LockFreeTaskQueueCore;->next()Lkotlinx/coroutines/internal/LockFreeTaskQueueCore;

    move-result-object v3

    invoke-static {v2, p0, v1, v3}, Landroidx/concurrent/futures/AbstractResolvableFuture$SafeAtomicHelper$$ExternalSyntheticBackportWithForwarding0;->m(Ljava/util/concurrent/atomic/AtomicReferenceFieldUpdater;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;)Z

    goto :goto_0

    :cond_2
    return v3
.end method

.method public final close()V
    .locals 4

    sget-object v0, Lkotlinx/coroutines/internal/LockFreeTaskQueue;->_cur$FU:Ljava/util/concurrent/atomic/AtomicReferenceFieldUpdater;

    :goto_0
    invoke-virtual {v0, p0}, Ljava/util/concurrent/atomic/AtomicReferenceFieldUpdater;->get(Ljava/lang/Object;)Ljava/lang/Object;

    move-result-object v1

    check-cast v1, Lkotlinx/coroutines/internal/LockFreeTaskQueueCore;

    .line 41
    invoke-virtual {v1}, Lkotlinx/coroutines/internal/LockFreeTaskQueueCore;->close()Z

    move-result v2

    if-eqz v2, :cond_0

    return-void

    :cond_0
    sget-object v2, Lkotlinx/coroutines/internal/LockFreeTaskQueue;->_cur$FU:Ljava/util/concurrent/atomic/AtomicReferenceFieldUpdater;

    .line 42
    invoke-virtual {v1}, Lkotlinx/coroutines/internal/LockFreeTaskQueueCore;->next()Lkotlinx/coroutines/internal/LockFreeTaskQueueCore;

    move-result-object v3

    invoke-static {v2, p0, v1, v3}, Landroidx/concurrent/futures/AbstractResolvableFuture$SafeAtomicHelper$$ExternalSyntheticBackportWithForwarding0;->m(Ljava/util/concurrent/atomic/AtomicReferenceFieldUpdater;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;)Z

    goto :goto_0
.end method

.method public final getSize()I
    .locals 1

    sget-object v0, Lkotlinx/coroutines/internal/LockFreeTaskQueue;->_cur$FU:Ljava/util/concurrent/atomic/AtomicReferenceFieldUpdater;

    .line 37
    invoke-virtual {v0, p0}, Ljava/util/concurrent/atomic/AtomicReferenceFieldUpdater;->get(Ljava/lang/Object;)Ljava/lang/Object;

    move-result-object v0

    check-cast v0, Lkotlinx/coroutines/internal/LockFreeTaskQueueCore;

    invoke-virtual {v0}, Lkotlinx/coroutines/internal/LockFreeTaskQueueCore;->getSize()I

    move-result v0

    return v0
.end method

.method public final removeFirstOrNull()Ljava/lang/Object;
    .locals 4

    sget-object v0, Lkotlinx/coroutines/internal/LockFreeTaskQueue;->_cur$FU:Ljava/util/concurrent/atomic/AtomicReferenceFieldUpdater;

    :goto_0
    invoke-virtual {v0, p0}, Ljava/util/concurrent/atomic/AtomicReferenceFieldUpdater;->get(Ljava/lang/Object;)Ljava/lang/Object;

    move-result-object v1

    check-cast v1, Lkotlinx/coroutines/internal/LockFreeTaskQueueCore;

    .line 59
    invoke-virtual {v1}, Lkotlinx/coroutines/internal/LockFreeTaskQueueCore;->removeFirstOrNull()Ljava/lang/Object;

    move-result-object v2

    .line 60
    sget-object v3, Lkotlinx/coroutines/internal/LockFreeTaskQueueCore;->REMOVE_FROZEN:Lkotlinx/coroutines/internal/Symbol;

    if-eq v2, v3, :cond_0

    return-object v2

    :cond_0
    sget-object v2, Lkotlinx/coroutines/internal/LockFreeTaskQueue;->_cur$FU:Ljava/util/concurrent/atomic/AtomicReferenceFieldUpdater;

    .line 61
    invoke-virtual {v1}, Lkotlinx/coroutines/internal/LockFreeTaskQueueCore;->next()Lkotlinx/coroutines/internal/LockFreeTaskQueueCore;

    move-result-object v3

    invoke-static {v2, p0, v1, v3}, Landroidx/concurrent/futures/AbstractResolvableFuture$SafeAtomicHelper$$ExternalSyntheticBackportWithForwarding0;->m(Ljava/util/concurrent/atomic/AtomicReferenceFieldUpdater;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;)Z

    goto :goto_0
.end method