1 /* 2 * Copyright (c) 2020, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 #include "AppLauncher.h" 27 #include "FileUtils.h" 28 #include "UnixSysInfo.h" 29 #include "JvmLauncher.h" 30 31 32 namespace { 33 34 Jvm* jvmLauncher = 0; 35 36 void launchJvm() { 37 // On Mac JLI_Launch() spawns a new thread that actually starts the JVM. 38 // This new thread simply re-runs launcher's main() function with 39 // arguments passed into JLI_Launch() call. 40 // Jvm::launch() calls JLI_Launch() triggering thread spawning. 41 jvmLauncher->launch(); 42 } 43 44 void initJvmLauncher() { 45 const tstring launcherPath = SysInfo::getProcessModulePath(); 46 47 // Launcher should be in "Contents/MacOS" subdirectory of app image. 48 const tstring appImageRoot = FileUtils::dirname(FileUtils::dirname( 49 FileUtils::dirname(launcherPath))); 50 51 // Create JVM launcher and save in global variable. 52 jvmLauncher = AppLauncher() 53 .setImageRoot(appImageRoot) 54 .addJvmLibName(_T("Contents/Home/lib/libjli.dylib")) 55 .setAppDir(FileUtils::mkpath() << appImageRoot << _T("Contents/app")) 56 .setDefaultRuntimePath(FileUtils::mkpath() << appImageRoot 57 << _T("Contents/runtime")) 58 .createJvmLauncher(); 59 60 // Kick start JVM launching. The function wouldn't return! 61 launchJvm(); 62 } 63 64 } // namespace 65 66 67 int main(int argc, char *argv[]) { 68 setlocale(LC_ALL, "en_US.utf8"); 69 if (jvmLauncher) { 70 // This is the call from the thread spawned by JVM. 71 // Skip initialization phase as we have done this already in the first 72 // call of main(). 73 // Besides we should ignore main() arguments because these are the 74 // arguments passed into JLI_Launch() call and not the arguments with 75 // which the launcher was started. 76 return AppLauncher::launch(std::nothrow, launchJvm); 77 } 78 79 SysInfo::argc = argc; 80 SysInfo::argv = argv; 81 return AppLauncher::launch(std::nothrow, initJvmLauncher); 82 }