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JDK 17 jdk.incubator.foreign.jmod - JDK Incubator Foreign
JDK 17 jdk.incubator.foreign.jmod is the JMOD file for JDK 17 HTTP Server module.
JDK 17 Incubator Foreign module compiled class files are stored in \fyicenter\jdk-17.0.5\jmods\jdk.incubator.foreign.jmod.
JDK 17 Incubator Foreign module compiled class files are also linked and stored in the \fyicenter\jdk-17.0.5\lib\modules JImage file.
JDK 17 Incubator Foreign module source code files are stored in \fyicenter\jdk-17.0.5\lib\src.zip\jdk.incubator.foreign.
You can click and view the content of each source code file in the list below.
✍: FYIcenter
⏎ jdk/incubator/foreign/SymbolLookup.java
/* * Copyright (c) 2021, Oracle and/or its affiliates. All rights reserved. * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. * * * * * * * * * * * * * * * * * * * * */ package jdk.incubator.foreign; import jdk.internal.access.JavaLangAccess; import jdk.internal.access.SharedSecrets; import jdk.internal.reflect.CallerSensitive; import jdk.internal.reflect.Reflection; import java.util.Objects; import java.util.Optional; /** * A symbol lookup. Exposes a lookup operation for searching symbol addresses by name, see {@link SymbolLookup#lookup(String)}. * A symbol lookup can be used to lookup a symbol in a loaded library. Clients can obtain a {@linkplain #loaderLookup() loader lookup}, * which can be used to search symbols in libraries loaded by the current classloader (e.g. using {@link System#load(String)}, * or {@link System#loadLibrary(String)}). * Alternatively, clients can obtain a {@linkplain CLinker#systemLookup() platform-dependent lookup}, to search symbols * in the standard C library. * <p> Unless otherwise specified, passing a {@code null} argument, or an array argument containing one or more {@code null} * elements to a method in this class causes a {@link NullPointerException NullPointerException} to be thrown. </p> */ @FunctionalInterface public interface SymbolLookup { /** * Looks up a symbol with given name in this lookup. * * @param name the symbol name. * @return the memory address associated with the symbol (if any). */ Optional<MemoryAddress> lookup(String name); /** * Obtains a symbol lookup suitable to find symbols in native libraries associated with the caller's classloader * (that is, libraries loaded using {@link System#loadLibrary} or {@link System#load}). * <p> * This method is <a href="package-summary.html#restricted"><em>restricted</em></a>. * Restricted methods are unsafe, and, if used incorrectly, their use might crash * the JVM or, worse, silently result in memory corruption. Thus, clients should refrain from depending on * restricted methods, and use safe and supported functionalities, where possible. * * @return a symbol lookup suitable to find symbols in libraries loaded by the caller's classloader. * @throws IllegalCallerException if access to this method occurs from a module {@code M} and the command line option * {@code --enable-native-access} is either absent, or does not mention the module name {@code M}, or * {@code ALL-UNNAMED} in case {@code M} is an unnamed module. */ @CallerSensitive static SymbolLookup loaderLookup() { Class<?> caller = Reflection.getCallerClass(); Reflection.ensureNativeAccess(caller); ClassLoader loader = Objects.requireNonNull(caller.getClassLoader()); return name -> { Objects.requireNonNull(name); JavaLangAccess javaLangAccess = SharedSecrets.getJavaLangAccess(); MemoryAddress addr = MemoryAddress.ofLong(javaLangAccess.findNative(loader, name)); return addr == MemoryAddress.NULL? Optional.empty() : Optional.of(addr); }; } }
⏎ jdk/incubator/foreign/SymbolLookup.java
Or download all of them as a single archive file:
File name: jdk.incubator.foreign-17.0.5-src.zip File size: 168767 bytes Release date: 2022-09-13 Download
⇒ JDK 17 jdk.incubator.vector.jmod - JDK Incubator Vector
2023-10-04, 3005👍, 0💬
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