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[java] retiring 'breakgen' DLLs from JVM process proxy (IJPL-16521)

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(cherry picked from commit 3789c7f569bc1f220aa9c7524d36ac44a3754cf0)

IJ-CR-155182

GitOrigin-RevId: a7ff75cc9cc1a54c9c1b1628fb7c89f65cf8cf8d
This commit is contained in:
Roman Shevchenko
2025-02-14 11:36:44 +01:00
committed by intellij-monorepo-bot
parent 7efa647a39
commit e7a6ad4826
3 changed files with 27 additions and 85 deletions
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66
java/java-runtime/src/com/intellij/rt/execution/application/AppMainV2.java
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@@ -1,8 +1,7 @@
// Copyright 2000-2022 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
// Copyright 2000-2025 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
package com.intellij.rt.execution.application;
import java.io.BufferedReader;
import java.io.File;
import java.io.InputStreamReader;
import java.lang.instrument.Instrumentation;
import java.lang.reflect.Constructor;
@@ -17,54 +16,24 @@ import java.util.*;
*/
public final class AppMainV2 {
public static final String LAUNCHER_PORT_NUMBER = "idea.launcher.port";
public static final String LAUNCHER_BIN_PATH = "idea.launcher.bin.path";
public static final String LAUNCHER_USE_JDK_21_PREVIEW = "idea.launcher.use.21.preview";
private static final String LAUNCHER_MAIN_CLASS = "idea.launcher.main.class";
private static native void triggerControlBreak();
private static boolean loadHelper(String binPath) {
String osName = System.getProperty("os.name").toLowerCase(Locale.ENGLISH);
if (osName.startsWith("windows")) {
String arch = System.getProperty("os.arch").toLowerCase(Locale.ENGLISH);
//noinspection SpellCheckingInspection
String libName = "x86_64".equals(arch) || "amd64".equals(arch) ? "breakgen64.dll" :
"aarch64".equals(arch) || "arm64".equals(arch) ? "breakgen64a.dll" :
"i386".equals(arch) || "x86".equals(arch) ? "breakgen.dll" :
null; // see also: `ProcessProxyImpl#canSendBreak`
if (libName != null) {
File libFile = new File(binPath, libName);
if (libFile.isFile()) {
System.load(libFile.getAbsolutePath());
return true;
}
}
}
return false;
}
private static void startMonitor(final int portNumber, final boolean helperLibLoaded) {
private static void startMonitor(final int portNumber) {
Thread t = new Thread("Monitor Ctrl-Break") {
@Override
public void run() {
try {
try (Socket client = new Socket("127.0.0.1", portNumber)) {
try (BufferedReader reader = new BufferedReader(new InputStreamReader(client.getInputStream(), "US-ASCII"))) {
while (true) {
String msg = reader.readLine();
if (msg == null || "TERM".equals(msg)) {
return;
}
else if ("BREAK".equals(msg)) {
if (helperLibLoaded) {
triggerControlBreak();
}
}
else if ("STOP".equals(msg)) {
System.exit(1);
}
}
try (
Socket client = new Socket("127.0.0.1", portNumber);
BufferedReader reader = new BufferedReader(new InputStreamReader(client.getInputStream(), "US-ASCII"))
) {
while (true) {
String msg = reader.readLine();
if (msg == null || "TERM".equals(msg)) {
return;
}
else if ("STOP".equals(msg)) {
System.exit(1);
}
}
}
@@ -77,9 +46,8 @@ public final class AppMainV2 {
public static void main(String[] args) throws Throwable {
try {
boolean helperLibLoaded = loadHelper(System.getProperty(LAUNCHER_BIN_PATH));
int portNumber = Integer.parseInt(System.getProperty(LAUNCHER_PORT_NUMBER));
startMonitor(portNumber, helperLibLoaded);
startMonitor(portNumber);
}
catch (Throwable t) {
System.err.println("Launcher failed - \"Dump Threads\" and \"Exit\" actions are unavailable (" + t.getMessage() + ')');
@@ -263,10 +231,8 @@ public final class AppMainV2 {
public static void premain(String args) {
try {
int p = args.indexOf(':');
if (p < 0) throw new IllegalArgumentException("incorrect parameter: " + args);
boolean helperLibLoaded = loadHelper(args.substring(p + 1));
int portNumber = Integer.parseInt(args.substring(0, p));
startMonitor(portNumber, helperLibLoaded);
int portNumber = Integer.parseInt(p > 0 ? args.substring(0, p) : args);
startMonitor(portNumber);
}
catch (Throwable t) {
System.err.println("Launcher failed - \"Dump Threads\" and \"Exit\" actions are unavailable (" + t.getMessage() + ')');