ADD week 5

2025-03-31 16:33:42 +02:00
parent 86f265f22d
commit bf645048e6
4927 changed files with 544053 additions and 0 deletions
--- a/02-Easy5/E5/sources/kotlin/concurrent/LocksKt.java
+++ b/02-Easy5/E5/sources/kotlin/concurrent/LocksKt.java
@@ -0,0 +1,64 @@
+package kotlin.concurrent;
+
+import java.util.concurrent.locks.Lock;
+import java.util.concurrent.locks.ReentrantReadWriteLock;
+import kotlin.Metadata;
+import kotlin.jvm.functions.Function0;
+import kotlin.jvm.internal.InlineMarker;
+import kotlin.jvm.internal.Intrinsics;
+
+/* compiled from: Locks.kt */
+@Metadata(d1 = {"\u0000\u001a\n\u0002\b\u0002\n\u0002\u0018\u0002\n\u0000\n\u0002\u0018\u0002\n\u0002\b\u0002\n\u0002\u0018\u0002\n\u0002\b\u0003\u001a6\u0010\u0000\u001a\u0002H\u0001\"\u0004\b\u0000\u0010\u0001*\u00020\u00022\f\u0010\u0003\u001a\b\u0012\u0004\u0012\u0002H\u00010\u0004H\u0087\bø\u0001\u0000\u0082\u0002\n\n\b\b\u0001\u0012\u0002\u0010\u0001 \u0001¢\u0006\u0002\u0010\u0005\u001a6\u0010\u0006\u001a\u0002H\u0001\"\u0004\b\u0000\u0010\u0001*\u00020\u00072\f\u0010\u0003\u001a\b\u0012\u0004\u0012\u0002H\u00010\u0004H\u0087\bø\u0001\u0000\u0082\u0002\n\n\b\b\u0001\u0012\u0002\u0010\u0001 \u0001¢\u0006\u0002\u0010\b\u001a6\u0010\t\u001a\u0002H\u0001\"\u0004\b\u0000\u0010\u0001*\u00020\u00022\f\u0010\u0003\u001a\b\u0012\u0004\u0012\u0002H\u00010\u0004H\u0087\bø\u0001\u0000\u0082\u0002\n\n\b\b\u0001\u0012\u0002\u0010\u0001 \u0001¢\u0006\u0002\u0010\u0005\u0082\u0002\u0007\n\u0005\b\u009920\u0001¨\u0006\n"}, d2 = {"read", "T", "Ljava/util/concurrent/locks/ReentrantReadWriteLock;", "action", "Lkotlin/Function0;", "(Ljava/util/concurrent/locks/ReentrantReadWriteLock;Lkotlin/jvm/functions/Function0;)Ljava/lang/Object;", "withLock", "Ljava/util/concurrent/locks/Lock;", "(Ljava/util/concurrent/locks/Lock;Lkotlin/jvm/functions/Function0;)Ljava/lang/Object;", "write", "kotlin-stdlib"}, k = 2, mv = {1, 8, 0}, xi = 48)
+/* loaded from: classes.dex */
+public final class LocksKt {
+    private static final <T> T withLock(Lock lock, Function0<? extends T> action) {
+        Intrinsics.checkNotNullParameter(lock, "<this>");
+        Intrinsics.checkNotNullParameter(action, "action");
+        lock.lock();
+        try {
+            return action.invoke();
+        } finally {
+            InlineMarker.finallyStart(1);
+            lock.unlock();
+            InlineMarker.finallyEnd(1);
+        }
+    }
+
+    private static final <T> T read(ReentrantReadWriteLock reentrantReadWriteLock, Function0<? extends T> action) {
+        Intrinsics.checkNotNullParameter(reentrantReadWriteLock, "<this>");
+        Intrinsics.checkNotNullParameter(action, "action");
+        ReentrantReadWriteLock.ReadLock readLock = reentrantReadWriteLock.readLock();
+        readLock.lock();
+        try {
+            return action.invoke();
+        } finally {
+            InlineMarker.finallyStart(1);
+            readLock.unlock();
+            InlineMarker.finallyEnd(1);
+        }
+    }
+
+    private static final <T> T write(ReentrantReadWriteLock reentrantReadWriteLock, Function0<? extends T> action) {
+        Intrinsics.checkNotNullParameter(reentrantReadWriteLock, "<this>");
+        Intrinsics.checkNotNullParameter(action, "action");
+        ReentrantReadWriteLock.ReadLock readLock = reentrantReadWriteLock.readLock();
+        int i = 0;
+        int readHoldCount = reentrantReadWriteLock.getWriteHoldCount() == 0 ? reentrantReadWriteLock.getReadHoldCount() : 0;
+        for (int i2 = 0; i2 < readHoldCount; i2++) {
+            readLock.unlock();
+        }
+        ReentrantReadWriteLock.WriteLock writeLock = reentrantReadWriteLock.writeLock();
+        writeLock.lock();
+        try {
+            return action.invoke();
+        } finally {
+            InlineMarker.finallyStart(1);
+            while (i < readHoldCount) {
+                readLock.lock();
+                i++;
+            }
+            writeLock.unlock();
+            InlineMarker.finallyEnd(1);
+        }
+    }
+}