.class public final Lkotlinx/coroutines/internal/LimitedDispatcher;
.super Lkotlinx/coroutines/CoroutineDispatcher;
.source "SourceFile"

# interfaces
.implements Lkotlinx/coroutines/Delay;


# annotations
.annotation system Ldalvik/annotation/MemberClasses;
    value = {
        Lkotlinx/coroutines/internal/LimitedDispatcher$Worker;
    }
.end annotation


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


# instance fields
.field public final synthetic $$delegate_0:Lkotlinx/coroutines/Delay;

.field public final dispatcher:Lkotlinx/coroutines/CoroutineDispatcher;

.field public final parallelism:I

.field public final queue:Lkotlinx/coroutines/internal/LockFreeTaskQueue;

.field private volatile runningWorkers:I

.field public final workerAllocationLock:Ljava/lang/Object;


# direct methods
.method static constructor <clinit>()V
    .locals 2

    const-class v0, Lkotlinx/coroutines/internal/LimitedDispatcher;

    const-string v1, "runningWorkers"

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

    move-result-object v0

    sput-object v0, Lkotlinx/coroutines/internal/LimitedDispatcher;->runningWorkers$FU:Ljava/util/concurrent/atomic/AtomicIntegerFieldUpdater;

    return-void
.end method

.method public constructor <init>(Lkotlinx/coroutines/CoroutineDispatcher;I)V
    .locals 0

    .line 29
    invoke-direct {p0}, Lkotlinx/coroutines/CoroutineDispatcher;-><init>()V

    iput-object p1, p0, Lkotlinx/coroutines/internal/LimitedDispatcher;->dispatcher:Lkotlinx/coroutines/CoroutineDispatcher;

    iput p2, p0, Lkotlinx/coroutines/internal/LimitedDispatcher;->parallelism:I

    instance-of p2, p1, Lkotlinx/coroutines/Delay;

    if-eqz p2, :cond_0

    check-cast p1, Lkotlinx/coroutines/Delay;

    goto :goto_0

    :cond_0
    const/4 p1, 0x0

    :goto_0
    if-nez p1, :cond_1

    invoke-static {}, Lkotlinx/coroutines/DefaultExecutorKt;->getDefaultDelay()Lkotlinx/coroutines/Delay;

    move-result-object p1

    :cond_1
    iput-object p1, p0, Lkotlinx/coroutines/internal/LimitedDispatcher;->$$delegate_0:Lkotlinx/coroutines/Delay;

    .line 35
    new-instance p1, Lkotlinx/coroutines/internal/LockFreeTaskQueue;

    const/4 p2, 0x0

    invoke-direct {p1, p2}, Lkotlinx/coroutines/internal/LockFreeTaskQueue;-><init>(Z)V

    iput-object p1, p0, Lkotlinx/coroutines/internal/LimitedDispatcher;->queue:Lkotlinx/coroutines/internal/LockFreeTaskQueue;

    .line 38
    new-instance p1, Ljava/lang/Object;

    invoke-direct {p1}, Ljava/lang/Object;-><init>()V

    iput-object p1, p0, Lkotlinx/coroutines/internal/LimitedDispatcher;->workerAllocationLock:Ljava/lang/Object;

    return-void
.end method

.method public static final synthetic access$getDispatcher$p(Lkotlinx/coroutines/internal/LimitedDispatcher;)Lkotlinx/coroutines/CoroutineDispatcher;
    .locals 0

    .line 26
    iget-object p0, p0, Lkotlinx/coroutines/internal/LimitedDispatcher;->dispatcher:Lkotlinx/coroutines/CoroutineDispatcher;

    return-object p0
.end method

.method public static final synthetic access$obtainTaskOrDeallocateWorker(Lkotlinx/coroutines/internal/LimitedDispatcher;)Ljava/lang/Runnable;
    .locals 0

    .line 26
    invoke-virtual {p0}, Lkotlinx/coroutines/internal/LimitedDispatcher;->obtainTaskOrDeallocateWorker()Ljava/lang/Runnable;

    move-result-object p0

    return-object p0
.end method


# virtual methods
.method public dispatch(Lkotlin/coroutines/CoroutineContext;Ljava/lang/Runnable;)V
    .locals 0

    iget-object p1, p0, Lkotlinx/coroutines/internal/LimitedDispatcher;->queue:Lkotlinx/coroutines/internal/LockFreeTaskQueue;

    .line 66
    invoke-virtual {p1, p2}, Lkotlinx/coroutines/internal/LockFreeTaskQueue;->addLast(Ljava/lang/Object;)Z

    sget-object p1, Lkotlinx/coroutines/internal/LimitedDispatcher;->runningWorkers$FU:Ljava/util/concurrent/atomic/AtomicIntegerFieldUpdater;

    .line 67
    invoke-virtual {p1, p0}, Ljava/util/concurrent/atomic/AtomicIntegerFieldUpdater;->get(Ljava/lang/Object;)I

    move-result p1

    iget p2, p0, Lkotlinx/coroutines/internal/LimitedDispatcher;->parallelism:I

    if-ge p1, p2, :cond_1

    .line 70
    invoke-virtual {p0}, Lkotlinx/coroutines/internal/LimitedDispatcher;->tryAllocateWorker()Z

    move-result p1

    if-eqz p1, :cond_1

    .line 71
    invoke-virtual {p0}, Lkotlinx/coroutines/internal/LimitedDispatcher;->obtainTaskOrDeallocateWorker()Ljava/lang/Runnable;

    move-result-object p1

    if-nez p1, :cond_0

    goto :goto_0

    .line 72
    :cond_0
    new-instance p2, Lkotlinx/coroutines/internal/LimitedDispatcher$Worker;

    invoke-direct {p2, p0, p1}, Lkotlinx/coroutines/internal/LimitedDispatcher$Worker;-><init>(Lkotlinx/coroutines/internal/LimitedDispatcher;Ljava/lang/Runnable;)V

    iget-object p1, p0, Lkotlinx/coroutines/internal/LimitedDispatcher;->dispatcher:Lkotlinx/coroutines/CoroutineDispatcher;

    .line 49
    invoke-virtual {p1, p0, p2}, Lkotlinx/coroutines/CoroutineDispatcher;->dispatch(Lkotlin/coroutines/CoroutineContext;Ljava/lang/Runnable;)V

    :cond_1
    :goto_0
    return-void
.end method

.method public dispatchYield(Lkotlin/coroutines/CoroutineContext;Ljava/lang/Runnable;)V
    .locals 0

    iget-object p1, p0, Lkotlinx/coroutines/internal/LimitedDispatcher;->queue:Lkotlinx/coroutines/internal/LockFreeTaskQueue;

    .line 66
    invoke-virtual {p1, p2}, Lkotlinx/coroutines/internal/LockFreeTaskQueue;->addLast(Ljava/lang/Object;)Z

    sget-object p1, Lkotlinx/coroutines/internal/LimitedDispatcher;->runningWorkers$FU:Ljava/util/concurrent/atomic/AtomicIntegerFieldUpdater;

    .line 67
    invoke-virtual {p1, p0}, Ljava/util/concurrent/atomic/AtomicIntegerFieldUpdater;->get(Ljava/lang/Object;)I

    move-result p1

    iget p2, p0, Lkotlinx/coroutines/internal/LimitedDispatcher;->parallelism:I

    if-ge p1, p2, :cond_1

    .line 70
    invoke-virtual {p0}, Lkotlinx/coroutines/internal/LimitedDispatcher;->tryAllocateWorker()Z

    move-result p1

    if-eqz p1, :cond_1

    .line 71
    invoke-virtual {p0}, Lkotlinx/coroutines/internal/LimitedDispatcher;->obtainTaskOrDeallocateWorker()Ljava/lang/Runnable;

    move-result-object p1

    if-nez p1, :cond_0

    goto :goto_0

    .line 72
    :cond_0
    new-instance p2, Lkotlinx/coroutines/internal/LimitedDispatcher$Worker;

    invoke-direct {p2, p0, p1}, Lkotlinx/coroutines/internal/LimitedDispatcher$Worker;-><init>(Lkotlinx/coroutines/internal/LimitedDispatcher;Ljava/lang/Runnable;)V

    iget-object p1, p0, Lkotlinx/coroutines/internal/LimitedDispatcher;->dispatcher:Lkotlinx/coroutines/CoroutineDispatcher;

    .line 56
    invoke-virtual {p1, p0, p2}, Lkotlinx/coroutines/CoroutineDispatcher;->dispatchYield(Lkotlin/coroutines/CoroutineContext;Ljava/lang/Runnable;)V

    :cond_1
    :goto_0
    return-void
.end method

.method public invokeOnTimeout(JLjava/lang/Runnable;Lkotlin/coroutines/CoroutineContext;)Lkotlinx/coroutines/DisposableHandle;
    .locals 1

    iget-object v0, p0, Lkotlinx/coroutines/internal/LimitedDispatcher;->$$delegate_0:Lkotlinx/coroutines/Delay;

    invoke-interface {v0, p1, p2, p3, p4}, Lkotlinx/coroutines/Delay;->invokeOnTimeout(JLjava/lang/Runnable;Lkotlin/coroutines/CoroutineContext;)Lkotlinx/coroutines/DisposableHandle;

    move-result-object p1

    return-object p1
.end method

.method public limitedParallelism(I)Lkotlinx/coroutines/CoroutineDispatcher;
    .locals 1

    .line 42
    invoke-static {p1}, Lkotlinx/coroutines/internal/LimitedDispatcherKt;->checkParallelism(I)V

    iget v0, p0, Lkotlinx/coroutines/internal/LimitedDispatcher;->parallelism:I

    if-lt p1, v0, :cond_0

    return-object p0

    .line 44
    :cond_0
    invoke-super {p0, p1}, Lkotlinx/coroutines/CoroutineDispatcher;->limitedParallelism(I)Lkotlinx/coroutines/CoroutineDispatcher;

    move-result-object p1

    return-object p1
.end method

.method public final obtainTaskOrDeallocateWorker()Ljava/lang/Runnable;
    .locals 3

    :goto_0
    iget-object v0, p0, Lkotlinx/coroutines/internal/LimitedDispatcher;->queue:Lkotlinx/coroutines/internal/LockFreeTaskQueue;

    .line 91
    invoke-virtual {v0}, Lkotlinx/coroutines/internal/LockFreeTaskQueue;->removeFirstOrNull()Ljava/lang/Object;

    move-result-object v0

    check-cast v0, Ljava/lang/Runnable;

    if-nez v0, :cond_1

    iget-object v0, p0, Lkotlinx/coroutines/internal/LimitedDispatcher;->workerAllocationLock:Ljava/lang/Object;

    .line 20
    monitor-enter v0

    :try_start_0
    sget-object v1, Lkotlinx/coroutines/internal/LimitedDispatcher;->runningWorkers$FU:Ljava/util/concurrent/atomic/AtomicIntegerFieldUpdater;

    .line 93
    invoke-virtual {v1, p0}, Ljava/util/concurrent/atomic/AtomicIntegerFieldUpdater;->decrementAndGet(Ljava/lang/Object;)I

    iget-object v2, p0, Lkotlinx/coroutines/internal/LimitedDispatcher;->queue:Lkotlinx/coroutines/internal/LockFreeTaskQueue;

    .line 94
    invoke-virtual {v2}, Lkotlinx/coroutines/internal/LockFreeTaskQueue;->getSize()I

    move-result v2
    :try_end_0
    .catchall {:try_start_0 .. :try_end_0} :catchall_0

    if-nez v2, :cond_0

    monitor-exit v0

    const/4 v0, 0x0

    return-object v0

    .line 95
    :cond_0
    :try_start_1
    invoke-virtual {v1, p0}, Ljava/util/concurrent/atomic/AtomicIntegerFieldUpdater;->incrementAndGet(Ljava/lang/Object;)I
    :try_end_1
    .catchall {:try_start_1 .. :try_end_1} :catchall_0

    .line 20
    monitor-exit v0

    goto :goto_0

    :catchall_0
    move-exception v1

    monitor-exit v0

    throw v1

    :cond_1
    return-object v0
.end method

.method public scheduleResumeAfterDelay(JLkotlinx/coroutines/CancellableContinuation;)V
    .locals 1

    iget-object v0, p0, Lkotlinx/coroutines/internal/LimitedDispatcher;->$$delegate_0:Lkotlinx/coroutines/Delay;

    invoke-interface {v0, p1, p2, p3}, Lkotlinx/coroutines/Delay;->scheduleResumeAfterDelay(JLkotlinx/coroutines/CancellableContinuation;)V

    return-void
.end method

.method public final tryAllocateWorker()Z
    .locals 4

    iget-object v0, p0, Lkotlinx/coroutines/internal/LimitedDispatcher;->workerAllocationLock:Ljava/lang/Object;

    .line 20
    monitor-enter v0

    :try_start_0
    sget-object v1, Lkotlinx/coroutines/internal/LimitedDispatcher;->runningWorkers$FU:Ljava/util/concurrent/atomic/AtomicIntegerFieldUpdater;

    .line 80
    invoke-virtual {v1, p0}, Ljava/util/concurrent/atomic/AtomicIntegerFieldUpdater;->get(Ljava/lang/Object;)I

    move-result v2

    iget v3, p0, Lkotlinx/coroutines/internal/LimitedDispatcher;->parallelism:I
    :try_end_0
    .catchall {:try_start_0 .. :try_end_0} :catchall_0

    if-lt v2, v3, :cond_0

    monitor-exit v0

    const/4 v0, 0x0

    return v0

    .line 81
    :cond_0
    :try_start_1
    invoke-virtual {v1, p0}, Ljava/util/concurrent/atomic/AtomicIntegerFieldUpdater;->incrementAndGet(Ljava/lang/Object;)I
    :try_end_1
    .catchall {:try_start_1 .. :try_end_1} :catchall_0

    .line 82
    monitor-exit v0

    const/4 v0, 0x1

    return v0

    :catchall_0
    move-exception v1

    monitor-exit v0

    throw v1
.end method