Initial import of ADIF API reverse-engineering toolkit

apk_decompiled/sources/com/google/android/gms/tasks/zzr.java

@@ -0,0 +1,47 @@
+package com.google.android.gms.tasks;
+
+import java.util.ArrayDeque;
+import java.util.Queue;
+
+/* JADX INFO: Access modifiers changed from: package-private */
+/* loaded from: classes3.dex */
+public final class zzr {
+    private final Object zza = new Object();
+    private Queue zzb;
+    private boolean zzc;
+
+    public final void zza(zzq zzqVar) {
+        synchronized (this.zza) {
+            try {
+                if (this.zzb == null) {
+                    this.zzb = new ArrayDeque();
+                }
+                this.zzb.add(zzqVar);
+            } catch (Throwable th) {
+                throw th;
+            }
+        }
+    }
+
+    public final void zzb(Task task) {
+        zzq zzqVar;
+        synchronized (this.zza) {
+            if (this.zzb != null && !this.zzc) {
+                this.zzc = true;
+                while (true) {
+                    synchronized (this.zza) {
+                        try {
+                            zzqVar = (zzq) this.zzb.poll();
+                            if (zzqVar == null) {
+                                this.zzc = false;
+                                return;
+                            }
+                        } finally {
+                        }
+                    }
+                    zzqVar.zzd(task);
+                }
+            }
+        }
+    }
+}