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https://github.com/openjdk/jdk.git
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68f3dd76c9
Define jlong as long on all LP64 platforms and add JLONG_FORMAT macro. Reviewed-by: dholmes, coleenp, mikael, kvn
1507 lines
46 KiB
C
1507 lines
46 KiB
C
/*
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* Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*
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*/
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#include <ctype.h>
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#include <windows.h>
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#include <io.h>
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#include <process.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <jni.h>
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#include "java.h"
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#ifndef GAMMA
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#include "version_comp.h"
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#endif
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#define JVM_DLL "jvm.dll"
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#define JAVA_DLL "java.dll"
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#define CRT_DLL "msvcr71.dll"
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/*
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* Prototypes.
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*/
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static jboolean GetPublicJREHome(char *path, jint pathsize);
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static jboolean GetJVMPath(const char *jrepath, const char *jvmtype,
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char *jvmpath, jint jvmpathsize);
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static jboolean GetJREPath(char *path, jint pathsize);
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static void EnsureJreInstallation(const char *jrepath);
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/* We supports warmup for UI stack that is performed in parallel
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* to VM initialization.
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* This helps to improve startup of UI application as warmup phase
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* might be long due to initialization of OS or hardware resources.
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* It is not CPU bound and therefore it does not interfere with VM init.
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* Obviously such warmup only has sense for UI apps and therefore it needs
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* to be explicitly requested by passing -Dsun.awt.warmup=true property
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* (this is always the case for plugin/javaws).
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*
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* Implementation launches new thread after VM starts and use it to perform
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* warmup code (platform dependent).
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* This thread is later reused as AWT toolkit thread as graphics toolkit
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* often assume that they are used from the same thread they were launched on.
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*
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* At the moment we only support warmup for D3D. It only possible on windows
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* and only if other flags do not prohibit this (e.g. OpenGL support requested).
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*/
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#undef ENABLE_AWT_PRELOAD
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#ifndef JAVA_ARGS /* turn off AWT preloading for javac, jar, etc */
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#ifdef _X86_ /* for now disable AWT preloading for 64bit */
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#define ENABLE_AWT_PRELOAD
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#endif
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#endif
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#ifdef ENABLE_AWT_PRELOAD
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/* "AWT was preloaded" flag;
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* Turned on by AWTPreload().
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*/
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int awtPreloaded = 0;
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/* Calls a function with the name specified.
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* The function must be int(*fn)(void).
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*/
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int AWTPreload(const char *funcName);
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/* Stops AWT preloading. */
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void AWTPreloadStop();
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/* D3D preloading */
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/* -1: not initialized; 0: OFF, 1: ON */
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int awtPreloadD3D = -1;
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/* Command line parameter to swith D3D preloading on. */
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#define PARAM_PRELOAD_D3D "-Dsun.awt.warmup"
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/* D3D/OpenGL management parameters (may disable D3D preloading) */
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#define PARAM_NODDRAW "-Dsun.java2d.noddraw"
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#define PARAM_D3D "-Dsun.java2d.d3d"
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#define PARAM_OPENGL "-Dsun.java2d.opengl"
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/* funtion in awt.dll (src/windows/native/sun/java2d/d3d/D3DPipelineManager.cpp) */
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#define D3D_PRELOAD_FUNC "preloadD3D"
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/* Extracts value of a parameter with the specified name
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* from command line argument (returns pointer in the argument).
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* Returns NULL if the argument does not contains the parameter.
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* e.g.:
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* GetParamValue("theParam", "theParam=value") returns pointer to "value".
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*/
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const char * GetParamValue(const char *paramName, const char *arg) {
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int nameLen = strlen(paramName);
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if (strncmp(paramName, arg, nameLen) == 0) {
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// arg[nameLen] is valid (may contain final NULL)
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if (arg[nameLen] == '=') {
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return arg + nameLen + 1;
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}
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}
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return NULL;
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}
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/* Checks if commandline argument contains property specified
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* and analyze it as boolean property (true/false).
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* Returns -1 if the argument does not contain the parameter;
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* Returns 1 if the argument contains the parameter and its value is "true";
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* Returns 0 if the argument contains the parameter and its value is "false".
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*/
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int GetBoolParamValue(const char *paramName, const char *arg) {
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const char * paramValue = GetParamValue(paramName, arg);
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if (paramValue != NULL) {
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if (stricmp(paramValue, "true") == 0) {
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return 1;
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}
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if (stricmp(paramValue, "false") == 0) {
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return 0;
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}
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}
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return -1;
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}
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#endif /* ENABLE_AWT_PRELOAD */
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const char *
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GetArch()
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{
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#ifdef _M_AMD64
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return "amd64";
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#elif defined(_M_IA64)
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return "ia64";
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#else
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return "i386";
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#endif
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}
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/*
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*
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*/
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void
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CreateExecutionEnvironment(int *_argc,
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char ***_argv,
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char jrepath[],
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jint so_jrepath,
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char jvmpath[],
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jint so_jvmpath,
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char **original_argv) {
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#ifndef GAMMA
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char * jvmtype;
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/* Find out where the JRE is that we will be using. */
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if (!GetJREPath(jrepath, so_jrepath)) {
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ReportErrorMessage("Error: could not find Java SE Runtime Environment.",
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JNI_TRUE);
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exit(2);
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}
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/* Do this before we read jvm.cfg */
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EnsureJreInstallation(jrepath);
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/* Find the specified JVM type */
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if (ReadKnownVMs(jrepath, (char*)GetArch(), JNI_FALSE) < 1) {
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ReportErrorMessage("Error: no known VMs. (check for corrupt jvm.cfg file)",
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JNI_TRUE);
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exit(1);
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}
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jvmtype = CheckJvmType(_argc, _argv, JNI_FALSE);
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jvmpath[0] = '\0';
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if (!GetJVMPath(jrepath, jvmtype, jvmpath, so_jvmpath)) {
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char * message=NULL;
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const char * format = "Error: no `%s' JVM at `%s'.";
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message = (char *)JLI_MemAlloc((strlen(format)+strlen(jvmtype)+
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strlen(jvmpath)) * sizeof(char));
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sprintf(message,format, jvmtype, jvmpath);
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ReportErrorMessage(message, JNI_TRUE);
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exit(4);
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}
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/* If we got here, jvmpath has been correctly initialized. */
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#else /* ifndef GAMMA */
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/*
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* gamma launcher is simpler in that it doesn't handle VM flavors, data
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* model, etc. Assuming everything is set-up correctly
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* all we need to do here is to return correct path names. See also
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* GetJVMPath() and GetApplicationHome().
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*/
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{
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if (!GetJREPath(jrepath, so_jrepath) ) {
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ReportErrorMessage("Error: could not find Java SE Runtime Environment.",
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JNI_TRUE);
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exit(2);
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}
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if (!GetJVMPath(jrepath, NULL, jvmpath, so_jvmpath)) {
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char * message=NULL;
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const char * format = "Error: no JVM at `%s'.";
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message = (char *)JLI_MemAlloc((strlen(format)+
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strlen(jvmpath)) * sizeof(char));
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sprintf(message, format, jvmpath);
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ReportErrorMessage(message, JNI_TRUE);
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exit(4);
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}
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}
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#endif /* ifndef GAMMA */
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}
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static jboolean
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LoadMSVCRT()
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{
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// Only do this once
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static int loaded = 0;
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char crtpath[MAXPATHLEN];
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if (!loaded) {
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/*
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* The Microsoft C Runtime Library needs to be loaded first. A copy is
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* assumed to be present in the "JRE path" directory. If it is not found
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* there (or "JRE path" fails to resolve), skip the explicit load and let
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* nature take its course, which is likely to be a failure to execute.
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*/
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if (GetJREPath(crtpath, MAXPATHLEN)) {
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(void)strcat(crtpath, "\\bin\\" CRT_DLL); /* Add crt dll */
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if (_launcher_debug) {
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printf("CRT path is %s\n", crtpath);
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}
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if (_access(crtpath, 0) == 0) {
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if (LoadLibrary(crtpath) == 0) {
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ReportErrorMessage2("Error loading: %s", crtpath, JNI_TRUE);
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return JNI_FALSE;
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}
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}
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}
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loaded = 1;
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}
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return JNI_TRUE;
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}
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/*
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* The preJVMStart is a function in the jkernel.dll, which
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* performs the final step of synthesizing back the decomposed
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* modules (partial install) to the full JRE. Any tool which
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* uses the JRE must peform this step to ensure the complete synthesis.
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* The EnsureJreInstallation function calls preJVMStart based on
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* the conditions outlined below, noting that the operation
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* will fail silently if any of conditions are not met.
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* NOTE: this call must be made before jvm.dll is loaded, or jvm.cfg
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* is read, since jvm.cfg will be modified by the preJVMStart.
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* 1. Are we on a supported platform.
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* 2. Find the location of the JRE or the Kernel JRE.
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* 3. check existence of JREHOME/lib/bundles
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* 4. check jkernel.dll and invoke the entry-point
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*/
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typedef VOID (WINAPI *PREJVMSTART)();
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static void
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EnsureJreInstallation(const char* jrepath)
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{
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HINSTANCE handle;
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char tmpbuf[MAXPATHLEN];
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PREJVMSTART PreJVMStart;
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struct stat s;
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/* 32 bit windows only please */
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if (strcmp(GetArch(), "i386") != 0 ) {
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if (_launcher_debug) {
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printf("EnsureJreInstallation:unsupported platform\n");
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}
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return;
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}
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/* Does our bundle directory exist ? */
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strcpy(tmpbuf, jrepath);
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strcat(tmpbuf, "\\lib\\bundles");
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if (stat(tmpbuf, &s) != 0) {
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if (_launcher_debug) {
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printf("EnsureJreInstallation:<%s>:not found\n", tmpbuf);
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}
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return;
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}
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/* Does our jkernel dll exist ? */
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strcpy(tmpbuf, jrepath);
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strcat(tmpbuf, "\\bin\\jkernel.dll");
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if (stat(tmpbuf, &s) != 0) {
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if (_launcher_debug) {
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printf("EnsureJreInstallation:<%s>:not found\n", tmpbuf);
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}
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return;
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}
|
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/* The Microsoft C Runtime Library needs to be loaded first. */
|
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if (!LoadMSVCRT()) {
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if (_launcher_debug) {
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printf("EnsureJreInstallation:could not load C runtime DLL\n");
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}
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return;
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}
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/* Load the jkernel.dll */
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if ((handle = LoadLibrary(tmpbuf)) == 0) {
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if (_launcher_debug) {
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printf("EnsureJreInstallation:%s:load failed\n", tmpbuf);
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}
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return;
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}
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/* Get the function address */
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PreJVMStart = (PREJVMSTART)GetProcAddress(handle, "preJVMStart");
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if (PreJVMStart == NULL) {
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if (_launcher_debug) {
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printf("EnsureJreInstallation:preJVMStart:function lookup failed\n");
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}
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FreeLibrary(handle);
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return;
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}
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PreJVMStart();
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if (_launcher_debug) {
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printf("EnsureJreInstallation:preJVMStart:called\n");
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}
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FreeLibrary(handle);
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return;
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}
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/*
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* Find path to JRE based on .exe's location or registry settings.
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*/
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jboolean
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GetJREPath(char *path, jint pathsize)
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{
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char javadll[MAXPATHLEN];
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struct stat s;
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if (GetApplicationHome(path, pathsize)) {
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/* Is JRE co-located with the application? */
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sprintf(javadll, "%s\\bin\\" JAVA_DLL, path);
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if (stat(javadll, &s) == 0) {
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goto found;
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}
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/* Does this app ship a private JRE in <apphome>\jre directory? */
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sprintf(javadll, "%s\\jre\\bin\\" JAVA_DLL, path);
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if (stat(javadll, &s) == 0) {
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strcat(path, "\\jre");
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goto found;
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}
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}
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#ifndef GAMMA
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/* Look for a public JRE on this machine. */
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if (GetPublicJREHome(path, pathsize)) {
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goto found;
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}
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#endif
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fprintf(stderr, "Error: could not find " JAVA_DLL "\n");
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return JNI_FALSE;
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found:
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if (_launcher_debug)
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printf("JRE path is %s\n", path);
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return JNI_TRUE;
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}
|
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|
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/*
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* Given a JRE location and a JVM type, construct what the name the
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* JVM shared library will be. Return true, if such a library
|
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* exists, false otherwise.
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*/
|
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static jboolean
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GetJVMPath(const char *jrepath, const char *jvmtype,
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char *jvmpath, jint jvmpathsize)
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|
{
|
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struct stat s;
|
|
|
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#ifndef GAMMA
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if (strchr(jvmtype, '/') || strchr(jvmtype, '\\')) {
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sprintf(jvmpath, "%s\\" JVM_DLL, jvmtype);
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} else {
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sprintf(jvmpath, "%s\\bin\\%s\\" JVM_DLL, jrepath, jvmtype);
|
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}
|
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#else
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/*
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* For gamma launcher, JVM is either built-in or in the same directory.
|
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* Either way we return "<exe_path>/jvm.dll" where <exe_path> is the
|
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* directory where gamma launcher is located.
|
|
*/
|
|
|
|
char *p;
|
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GetModuleFileName(0, jvmpath, jvmpathsize);
|
|
|
|
p = strrchr(jvmpath, '\\');
|
|
if (p) {
|
|
/* replace executable name with libjvm.so */
|
|
snprintf(p + 1, jvmpathsize - (p + 1 - jvmpath), "%s", JVM_DLL);
|
|
} else {
|
|
/* this case shouldn't happen */
|
|
snprintf(jvmpath, jvmpathsize, "%s", JVM_DLL);
|
|
}
|
|
#endif /* ifndef GAMMA */
|
|
|
|
if (stat(jvmpath, &s) == 0) {
|
|
return JNI_TRUE;
|
|
} else {
|
|
return JNI_FALSE;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Load a jvm from "jvmpath" and initialize the invocation functions.
|
|
*/
|
|
jboolean
|
|
LoadJavaVM(const char *jvmpath, InvocationFunctions *ifn)
|
|
{
|
|
#ifdef GAMMA
|
|
/* JVM is directly linked with gamma launcher; no Loadlibrary() */
|
|
ifn->CreateJavaVM = JNI_CreateJavaVM;
|
|
ifn->GetDefaultJavaVMInitArgs = JNI_GetDefaultJavaVMInitArgs;
|
|
return JNI_TRUE;
|
|
#else
|
|
HINSTANCE handle;
|
|
|
|
if (_launcher_debug) {
|
|
printf("JVM path is %s\n", jvmpath);
|
|
}
|
|
|
|
/* The Microsoft C Runtime Library needs to be loaded first. */
|
|
LoadMSVCRT();
|
|
|
|
/* Load the Java VM DLL */
|
|
if ((handle = LoadLibrary(jvmpath)) == 0) {
|
|
ReportErrorMessage2("Error loading: %s", (char *)jvmpath, JNI_TRUE);
|
|
return JNI_FALSE;
|
|
}
|
|
|
|
/* Now get the function addresses */
|
|
ifn->CreateJavaVM =
|
|
(void *)GetProcAddress(handle, "JNI_CreateJavaVM");
|
|
ifn->GetDefaultJavaVMInitArgs =
|
|
(void *)GetProcAddress(handle, "JNI_GetDefaultJavaVMInitArgs");
|
|
if (ifn->CreateJavaVM == 0 || ifn->GetDefaultJavaVMInitArgs == 0) {
|
|
ReportErrorMessage2("Error: can't find JNI interfaces in: %s",
|
|
(char *)jvmpath, JNI_TRUE);
|
|
return JNI_FALSE;
|
|
}
|
|
|
|
return JNI_TRUE;
|
|
#endif /* ifndef GAMMA */
|
|
}
|
|
|
|
/*
|
|
* If app is "c:\foo\bin\javac", then put "c:\foo" into buf.
|
|
*/
|
|
jboolean
|
|
GetApplicationHome(char *buf, jint bufsize)
|
|
{
|
|
#ifndef GAMMA
|
|
char *cp;
|
|
GetModuleFileName(0, buf, bufsize);
|
|
*strrchr(buf, '\\') = '\0'; /* remove .exe file name */
|
|
if ((cp = strrchr(buf, '\\')) == 0) {
|
|
/* This happens if the application is in a drive root, and
|
|
* there is no bin directory. */
|
|
buf[0] = '\0';
|
|
return JNI_FALSE;
|
|
}
|
|
*cp = '\0'; /* remove the bin\ part */
|
|
return JNI_TRUE;
|
|
|
|
#else /* ifndef GAMMA */
|
|
|
|
char env[MAXPATHLEN + 1];
|
|
|
|
/* gamma launcher uses ALT_JAVA_HOME environment variable or jdkpath.txt file to find JDK/JRE */
|
|
|
|
if (getenv("ALT_JAVA_HOME") != NULL) {
|
|
snprintf(buf, bufsize, "%s", getenv("ALT_JAVA_HOME"));
|
|
}
|
|
else {
|
|
char path[MAXPATHLEN + 1];
|
|
char* p;
|
|
int len;
|
|
FILE* fp;
|
|
|
|
// find the path to the currect executable
|
|
len = GetModuleFileName(NULL, path, MAXPATHLEN + 1);
|
|
if (len == 0 || len > MAXPATHLEN) {
|
|
printf("Could not get directory of current executable.");
|
|
return JNI_FALSE;
|
|
}
|
|
// remove last path component ("hotspot.exe")
|
|
p = strrchr(path, '\\');
|
|
if (p == NULL) {
|
|
printf("Could not parse directory of current executable.\n");
|
|
return JNI_FALSE;
|
|
}
|
|
*p = '\0';
|
|
|
|
// open jdkpath.txt and read JAVA_HOME from it
|
|
if (strlen(path) + strlen("\\jdkpath.txt") + 1 >= MAXPATHLEN) {
|
|
printf("Path too long: %s\n", path);
|
|
return JNI_FALSE;
|
|
}
|
|
strcat(path, "\\jdkpath.txt");
|
|
fp = fopen(path, "r");
|
|
if (fp == NULL) {
|
|
printf("Could not open file %s to get path to JDK.\n", path);
|
|
return JNI_FALSE;
|
|
}
|
|
|
|
if (fgets(buf, bufsize, fp) == NULL) {
|
|
printf("Could not read from file %s to get path to JDK.\n", path);
|
|
fclose(fp);
|
|
return JNI_FALSE;
|
|
}
|
|
// trim the buffer
|
|
p = buf + strlen(buf) - 1;
|
|
while(isspace(*p)) {
|
|
*p = '\0';
|
|
p--;
|
|
}
|
|
fclose(fp);
|
|
}
|
|
|
|
_snprintf(env, MAXPATHLEN, "JAVA_HOME=%s", buf);
|
|
_putenv(env);
|
|
|
|
return JNI_TRUE;
|
|
#endif /* ifndef GAMMA */
|
|
}
|
|
|
|
#ifdef JAVAW
|
|
__declspec(dllimport) char **__initenv;
|
|
|
|
int WINAPI
|
|
WinMain(HINSTANCE inst, HINSTANCE previnst, LPSTR cmdline, int cmdshow)
|
|
{
|
|
int ret;
|
|
|
|
__initenv = _environ;
|
|
ret = main(__argc, __argv);
|
|
|
|
return ret;
|
|
}
|
|
#endif
|
|
|
|
#ifndef GAMMA
|
|
|
|
/*
|
|
* Helpers to look in the registry for a public JRE.
|
|
*/
|
|
/* Same for 1.5.0, 1.5.1, 1.5.2 etc. */
|
|
#define DOTRELEASE JDK_MAJOR_VERSION "." JDK_MINOR_VERSION
|
|
#define JRE_KEY "Software\\JavaSoft\\Java Runtime Environment"
|
|
|
|
static jboolean
|
|
GetStringFromRegistry(HKEY key, const char *name, char *buf, jint bufsize)
|
|
{
|
|
DWORD type, size;
|
|
|
|
if (RegQueryValueEx(key, name, 0, &type, 0, &size) == 0
|
|
&& type == REG_SZ
|
|
&& (size < (unsigned int)bufsize)) {
|
|
if (RegQueryValueEx(key, name, 0, 0, buf, &size) == 0) {
|
|
return JNI_TRUE;
|
|
}
|
|
}
|
|
return JNI_FALSE;
|
|
}
|
|
|
|
static jboolean
|
|
GetPublicJREHome(char *buf, jint bufsize)
|
|
{
|
|
HKEY key, subkey;
|
|
char version[MAXPATHLEN];
|
|
|
|
/*
|
|
* Note: There is a very similar implementation of the following
|
|
* registry reading code in the Windows java control panel (javacp.cpl).
|
|
* If there are bugs here, a similar bug probably exists there. Hence,
|
|
* changes here require inspection there.
|
|
*/
|
|
|
|
/* Find the current version of the JRE */
|
|
if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, JRE_KEY, 0, KEY_READ, &key) != 0) {
|
|
fprintf(stderr, "Error opening registry key '" JRE_KEY "'\n");
|
|
return JNI_FALSE;
|
|
}
|
|
|
|
if (!GetStringFromRegistry(key, "CurrentVersion",
|
|
version, sizeof(version))) {
|
|
fprintf(stderr, "Failed reading value of registry key:\n\t"
|
|
JRE_KEY "\\CurrentVersion\n");
|
|
RegCloseKey(key);
|
|
return JNI_FALSE;
|
|
}
|
|
|
|
if (strcmp(version, DOTRELEASE) != 0) {
|
|
fprintf(stderr, "Registry key '" JRE_KEY "\\CurrentVersion'\nhas "
|
|
"value '%s', but '" DOTRELEASE "' is required.\n", version);
|
|
RegCloseKey(key);
|
|
return JNI_FALSE;
|
|
}
|
|
|
|
/* Find directory where the current version is installed. */
|
|
if (RegOpenKeyEx(key, version, 0, KEY_READ, &subkey) != 0) {
|
|
fprintf(stderr, "Error opening registry key '"
|
|
JRE_KEY "\\%s'\n", version);
|
|
RegCloseKey(key);
|
|
return JNI_FALSE;
|
|
}
|
|
|
|
if (!GetStringFromRegistry(subkey, "JavaHome", buf, bufsize)) {
|
|
fprintf(stderr, "Failed reading value of registry key:\n\t"
|
|
JRE_KEY "\\%s\\JavaHome\n", version);
|
|
RegCloseKey(key);
|
|
RegCloseKey(subkey);
|
|
return JNI_FALSE;
|
|
}
|
|
|
|
if (_launcher_debug) {
|
|
char micro[MAXPATHLEN];
|
|
if (!GetStringFromRegistry(subkey, "MicroVersion", micro,
|
|
sizeof(micro))) {
|
|
printf("Warning: Can't read MicroVersion\n");
|
|
micro[0] = '\0';
|
|
}
|
|
printf("Version major.minor.micro = %s.%s\n", version, micro);
|
|
}
|
|
|
|
RegCloseKey(key);
|
|
RegCloseKey(subkey);
|
|
return JNI_TRUE;
|
|
}
|
|
|
|
#endif /* ifndef GAMMA */
|
|
|
|
/*
|
|
* Support for doing cheap, accurate interval timing.
|
|
*/
|
|
static jboolean counterAvailable = JNI_FALSE;
|
|
static jboolean counterInitialized = JNI_FALSE;
|
|
static LARGE_INTEGER counterFrequency;
|
|
|
|
jlong CounterGet()
|
|
{
|
|
LARGE_INTEGER count;
|
|
|
|
if (!counterInitialized) {
|
|
counterAvailable = QueryPerformanceFrequency(&counterFrequency);
|
|
counterInitialized = JNI_TRUE;
|
|
}
|
|
if (!counterAvailable) {
|
|
return 0;
|
|
}
|
|
QueryPerformanceCounter(&count);
|
|
return (jlong)(count.QuadPart);
|
|
}
|
|
|
|
jlong Counter2Micros(jlong counts)
|
|
{
|
|
if (!counterAvailable || !counterInitialized) {
|
|
return 0;
|
|
}
|
|
return (counts * 1000 * 1000)/counterFrequency.QuadPart;
|
|
}
|
|
|
|
void ReportErrorMessage(char * message, jboolean always) {
|
|
#ifdef JAVAW
|
|
if (message != NULL) {
|
|
MessageBox(NULL, message, "Java Virtual Machine Launcher",
|
|
(MB_OK|MB_ICONSTOP|MB_APPLMODAL));
|
|
}
|
|
#else
|
|
if (always) {
|
|
fprintf(stderr, "%s\n", message);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
void ReportErrorMessage2(char * format, char * string, jboolean always) {
|
|
/*
|
|
* The format argument must be a printf format string with one %s
|
|
* argument, which is passed the string argument.
|
|
*/
|
|
#ifdef JAVAW
|
|
size_t size;
|
|
char * message;
|
|
size = strlen(format) + strlen(string);
|
|
message = (char*)JLI_MemAlloc(size*sizeof(char));
|
|
sprintf(message, (const char *)format, string);
|
|
|
|
if (message != NULL) {
|
|
MessageBox(NULL, message, "Java Virtual Machine Launcher",
|
|
(MB_OK|MB_ICONSTOP|MB_APPLMODAL));
|
|
JLI_MemFree(message);
|
|
}
|
|
#else
|
|
if (always) {
|
|
fprintf(stderr, (const char *)format, string);
|
|
fprintf(stderr, "\n");
|
|
}
|
|
#endif
|
|
}
|
|
|
|
/*
|
|
* As ReportErrorMessage2 (above) except the system message (if any)
|
|
* associated with this error is written to a second %s format specifier
|
|
* in the format argument.
|
|
*/
|
|
void ReportSysErrorMessage2(char * format, char * string, jboolean always) {
|
|
int save_errno = errno;
|
|
DWORD errval;
|
|
int freeit = 0;
|
|
char *errtext = NULL;
|
|
|
|
if ((errval = GetLastError()) != 0) { /* Platform SDK / DOS Error */
|
|
int n = FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM|
|
|
FORMAT_MESSAGE_IGNORE_INSERTS|FORMAT_MESSAGE_ALLOCATE_BUFFER,
|
|
NULL, errval, 0, (LPTSTR)&errtext, 0, NULL);
|
|
if (errtext == NULL || n == 0) { /* Paranoia check */
|
|
errtext = "";
|
|
n = 0;
|
|
} else {
|
|
freeit = 1;
|
|
if (n > 2) { /* Drop final CR, LF */
|
|
if (errtext[n - 1] == '\n') n--;
|
|
if (errtext[n - 1] == '\r') n--;
|
|
errtext[n] = '\0';
|
|
}
|
|
}
|
|
} else /* C runtime error that has no corresponding DOS error code */
|
|
errtext = strerror(save_errno);
|
|
|
|
#ifdef JAVAW
|
|
{
|
|
size_t size;
|
|
char * message;
|
|
size = strlen(format) + strlen(string) + strlen(errtext);
|
|
message = (char*)JLI_MemAlloc(size*sizeof(char));
|
|
sprintf(message, (const char *)format, string, errtext);
|
|
|
|
if (message != NULL) {
|
|
MessageBox(NULL, message, "Java Virtual Machine Launcher",
|
|
(MB_OK|MB_ICONSTOP|MB_APPLMODAL));
|
|
JLI_MemFree(message);
|
|
}
|
|
}
|
|
#else
|
|
if (always) {
|
|
fprintf(stderr, (const char *)format, string, errtext);
|
|
fprintf(stderr, "\n");
|
|
}
|
|
#endif
|
|
if (freeit)
|
|
(void)LocalFree((HLOCAL)errtext);
|
|
}
|
|
|
|
void ReportExceptionDescription(JNIEnv * env) {
|
|
#ifdef JAVAW
|
|
/*
|
|
* This code should be replaced by code which opens a window with
|
|
* the exception detail message.
|
|
*/
|
|
(*env)->ExceptionDescribe(env);
|
|
#else
|
|
(*env)->ExceptionDescribe(env);
|
|
#endif
|
|
}
|
|
|
|
|
|
/*
|
|
* Return JNI_TRUE for an option string that has no effect but should
|
|
* _not_ be passed on to the vm; return JNI_FALSE otherwise. On
|
|
* windows, there are no options that should be screened in this
|
|
* manner.
|
|
*/
|
|
jboolean RemovableMachineDependentOption(char * option) {
|
|
#ifdef ENABLE_AWT_PRELOAD
|
|
if (awtPreloadD3D < 0) {
|
|
/* Tests the command line parameter only if not set yet. */
|
|
if (GetBoolParamValue(PARAM_PRELOAD_D3D, option) == 1) {
|
|
awtPreloadD3D = 1;
|
|
}
|
|
}
|
|
if (awtPreloadD3D != 0) {
|
|
/* Don't test the command line parameters if already disabled. */
|
|
if (GetBoolParamValue(PARAM_NODDRAW, option) == 1
|
|
|| GetBoolParamValue(PARAM_D3D, option) == 0
|
|
|| GetBoolParamValue(PARAM_OPENGL, option) == 1)
|
|
{
|
|
awtPreloadD3D = 0;
|
|
}
|
|
}
|
|
#endif /* ENABLE_AWT_PRELOAD */
|
|
|
|
return JNI_FALSE;
|
|
}
|
|
|
|
void PrintMachineDependentOptions() {
|
|
return;
|
|
}
|
|
|
|
#ifndef GAMMA
|
|
|
|
jboolean
|
|
ServerClassMachine() {
|
|
jboolean result = JNI_FALSE;
|
|
#if defined(NEVER_ACT_AS_SERVER_CLASS_MACHINE)
|
|
result = JNI_FALSE;
|
|
#elif defined(ALWAYS_ACT_AS_SERVER_CLASS_MACHINE)
|
|
result = JNI_TRUE;
|
|
#endif
|
|
return result;
|
|
}
|
|
|
|
/*
|
|
* Determine if there is an acceptable JRE in the registry directory top_key.
|
|
* Upon locating the "best" one, return a fully qualified path to it.
|
|
* "Best" is defined as the most advanced JRE meeting the constraints
|
|
* contained in the manifest_info. If no JRE in this directory meets the
|
|
* constraints, return NULL.
|
|
*
|
|
* It doesn't matter if we get an error reading the registry, or we just
|
|
* don't find anything interesting in the directory. We just return NULL
|
|
* in either case.
|
|
*/
|
|
static char *
|
|
ProcessDir(manifest_info* info, HKEY top_key) {
|
|
DWORD index = 0;
|
|
HKEY ver_key;
|
|
char name[MAXNAMELEN];
|
|
int len;
|
|
char *best = NULL;
|
|
|
|
/*
|
|
* Enumerate "<top_key>/SOFTWARE/JavaSoft/Java Runtime Environment"
|
|
* searching for the best available version.
|
|
*/
|
|
while (RegEnumKey(top_key, index, name, MAXNAMELEN) == ERROR_SUCCESS) {
|
|
index++;
|
|
if (JLI_AcceptableRelease(name, info->jre_version))
|
|
if ((best == NULL) || (JLI_ExactVersionId(name, best) > 0)) {
|
|
if (best != NULL)
|
|
JLI_MemFree(best);
|
|
best = JLI_StringDup(name);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Extract "JavaHome" from the "best" registry directory and return
|
|
* that path. If no appropriate version was located, or there is an
|
|
* error in extracting the "JavaHome" string, return null.
|
|
*/
|
|
if (best == NULL)
|
|
return (NULL);
|
|
else {
|
|
if (RegOpenKeyEx(top_key, best, 0, KEY_READ, &ver_key)
|
|
!= ERROR_SUCCESS) {
|
|
JLI_MemFree(best);
|
|
if (ver_key != NULL)
|
|
RegCloseKey(ver_key);
|
|
return (NULL);
|
|
}
|
|
JLI_MemFree(best);
|
|
len = MAXNAMELEN;
|
|
if (RegQueryValueEx(ver_key, "JavaHome", NULL, NULL, (LPBYTE)name, &len)
|
|
!= ERROR_SUCCESS) {
|
|
if (ver_key != NULL)
|
|
RegCloseKey(ver_key);
|
|
return (NULL);
|
|
}
|
|
if (ver_key != NULL)
|
|
RegCloseKey(ver_key);
|
|
return (JLI_StringDup(name));
|
|
}
|
|
}
|
|
|
|
/*
|
|
* This is the global entry point. It examines the host for the optimal
|
|
* JRE to be used by scanning a set of registry entries. This set of entries
|
|
* is hardwired on Windows as "Software\JavaSoft\Java Runtime Environment"
|
|
* under the set of roots "{ HKEY_CURRENT_USER, HKEY_LOCAL_MACHINE }".
|
|
*
|
|
* This routine simply opens each of these registry directories before passing
|
|
* control onto ProcessDir().
|
|
*/
|
|
char *
|
|
LocateJRE(manifest_info* info) {
|
|
HKEY key = NULL;
|
|
char *path;
|
|
int key_index;
|
|
HKEY root_keys[2] = { HKEY_CURRENT_USER, HKEY_LOCAL_MACHINE };
|
|
|
|
for (key_index = 0; key_index <= 1; key_index++) {
|
|
if (RegOpenKeyEx(root_keys[key_index], JRE_KEY, 0, KEY_READ, &key)
|
|
== ERROR_SUCCESS)
|
|
if ((path = ProcessDir(info, key)) != NULL) {
|
|
if (key != NULL)
|
|
RegCloseKey(key);
|
|
return (path);
|
|
}
|
|
if (key != NULL)
|
|
RegCloseKey(key);
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
|
|
/*
|
|
* Local helper routine to isolate a single token (option or argument)
|
|
* from the command line.
|
|
*
|
|
* This routine accepts a pointer to a character pointer. The first
|
|
* token (as defined by MSDN command-line argument syntax) is isolated
|
|
* from that string.
|
|
*
|
|
* Upon return, the input character pointer pointed to by the parameter s
|
|
* is updated to point to the remainding, unscanned, portion of the string,
|
|
* or to a null character if the entire string has been consummed.
|
|
*
|
|
* This function returns a pointer to a null-terminated string which
|
|
* contains the isolated first token, or to the null character if no
|
|
* token could be isolated.
|
|
*
|
|
* Note the side effect of modifying the input string s by the insertion
|
|
* of a null character, making it two strings.
|
|
*
|
|
* See "Parsing C Command-Line Arguments" in the MSDN Library for the
|
|
* parsing rule details. The rule summary from that specification is:
|
|
*
|
|
* * Arguments are delimited by white space, which is either a space or a tab.
|
|
*
|
|
* * A string surrounded by double quotation marks is interpreted as a single
|
|
* argument, regardless of white space contained within. A quoted string can
|
|
* be embedded in an argument. Note that the caret (^) is not recognized as
|
|
* an escape character or delimiter.
|
|
*
|
|
* * A double quotation mark preceded by a backslash, \", is interpreted as a
|
|
* literal double quotation mark (").
|
|
*
|
|
* * Backslashes are interpreted literally, unless they immediately precede a
|
|
* double quotation mark.
|
|
*
|
|
* * If an even number of backslashes is followed by a double quotation mark,
|
|
* then one backslash (\) is placed in the argv array for every pair of
|
|
* backslashes (\\), and the double quotation mark (") is interpreted as a
|
|
* string delimiter.
|
|
*
|
|
* * If an odd number of backslashes is followed by a double quotation mark,
|
|
* then one backslash (\) is placed in the argv array for every pair of
|
|
* backslashes (\\) and the double quotation mark is interpreted as an
|
|
* escape sequence by the remaining backslash, causing a literal double
|
|
* quotation mark (") to be placed in argv.
|
|
*/
|
|
static char*
|
|
nextarg(char** s) {
|
|
char *p = *s;
|
|
char *head;
|
|
int slashes = 0;
|
|
int inquote = 0;
|
|
|
|
/*
|
|
* Strip leading whitespace, which MSDN defines as only space or tab.
|
|
* (Hence, no locale specific "isspace" here.)
|
|
*/
|
|
while (*p != (char)0 && (*p == ' ' || *p == '\t'))
|
|
p++;
|
|
head = p; /* Save the start of the token to return */
|
|
|
|
/*
|
|
* Isolate a token from the command line.
|
|
*/
|
|
while (*p != (char)0 && (inquote || !(*p == ' ' || *p == '\t'))) {
|
|
if (*p == '\\' && *(p+1) == '"' && slashes % 2 == 0)
|
|
p++;
|
|
else if (*p == '"')
|
|
inquote = !inquote;
|
|
slashes = (*p++ == '\\') ? slashes + 1 : 0;
|
|
}
|
|
|
|
/*
|
|
* If the token isolated isn't already terminated in a "char zero",
|
|
* then replace the whitespace character with one and move to the
|
|
* next character.
|
|
*/
|
|
if (*p != (char)0)
|
|
*p++ = (char)0;
|
|
|
|
/*
|
|
* Update the parameter to point to the head of the remaining string
|
|
* reflecting the command line and return a pointer to the leading
|
|
* token which was isolated from the command line.
|
|
*/
|
|
*s = p;
|
|
return (head);
|
|
}
|
|
|
|
/*
|
|
* Local helper routine to return a string equivalent to the input string
|
|
* s, but with quotes removed so the result is a string as would be found
|
|
* in argv[]. The returned string should be freed by a call to JLI_MemFree().
|
|
*
|
|
* The rules for quoting (and escaped quotes) are:
|
|
*
|
|
* 1 A double quotation mark preceded by a backslash, \", is interpreted as a
|
|
* literal double quotation mark (").
|
|
*
|
|
* 2 Backslashes are interpreted literally, unless they immediately precede a
|
|
* double quotation mark.
|
|
*
|
|
* 3 If an even number of backslashes is followed by a double quotation mark,
|
|
* then one backslash (\) is placed in the argv array for every pair of
|
|
* backslashes (\\), and the double quotation mark (") is interpreted as a
|
|
* string delimiter.
|
|
*
|
|
* 4 If an odd number of backslashes is followed by a double quotation mark,
|
|
* then one backslash (\) is placed in the argv array for every pair of
|
|
* backslashes (\\) and the double quotation mark is interpreted as an
|
|
* escape sequence by the remaining backslash, causing a literal double
|
|
* quotation mark (") to be placed in argv.
|
|
*/
|
|
static char*
|
|
unquote(const char *s) {
|
|
const char *p = s; /* Pointer to the tail of the original string */
|
|
char *un = (char*)JLI_MemAlloc(strlen(s) + 1); /* Ptr to unquoted string */
|
|
char *pun = un; /* Pointer to the tail of the unquoted string */
|
|
|
|
while (*p != '\0') {
|
|
if (*p == '"') {
|
|
p++;
|
|
} else if (*p == '\\') {
|
|
const char *q = p + strspn(p,"\\");
|
|
if (*q == '"')
|
|
do {
|
|
*pun++ = '\\';
|
|
p += 2;
|
|
} while (*p == '\\' && p < q);
|
|
else
|
|
while (p < q)
|
|
*pun++ = *p++;
|
|
} else {
|
|
*pun++ = *p++;
|
|
}
|
|
}
|
|
*pun = '\0';
|
|
return un;
|
|
}
|
|
|
|
/*
|
|
* Given a path to a jre to execute, this routine checks if this process
|
|
* is indeed that jre. If not, it exec's that jre.
|
|
*
|
|
* We want to actually check the paths rather than just the version string
|
|
* built into the executable, so that given version specification will yield
|
|
* the exact same Java environment, regardless of the version of the arbitrary
|
|
* launcher we start with.
|
|
*/
|
|
void
|
|
ExecJRE(char *jre, char **argv) {
|
|
int len;
|
|
char *progname;
|
|
char path[MAXPATHLEN + 1];
|
|
|
|
/*
|
|
* Determine the executable we are building (or in the rare case, running).
|
|
*/
|
|
#ifdef JAVA_ARGS /* javac, jar and friends. */
|
|
progname = "java";
|
|
#else /* java, oldjava, javaw and friends */
|
|
#ifdef PROGNAME
|
|
progname = PROGNAME;
|
|
#else
|
|
{
|
|
char *s;
|
|
progname = *argv;
|
|
if ((s = strrchr(progname, FILE_SEPARATOR)) != 0) {
|
|
progname = s + 1;
|
|
}
|
|
}
|
|
#endif /* PROGNAME */
|
|
#endif /* JAVA_ARGS */
|
|
|
|
/*
|
|
* Resolve the real path to the currently running launcher.
|
|
*/
|
|
len = GetModuleFileName(NULL, path, MAXPATHLEN + 1);
|
|
if (len == 0 || len > MAXPATHLEN) {
|
|
ReportSysErrorMessage2(
|
|
"Unable to resolve path to current %s executable: %s",
|
|
progname, JNI_TRUE);
|
|
exit(1);
|
|
}
|
|
|
|
if (_launcher_debug) {
|
|
printf("ExecJRE: old: %s\n", path);
|
|
printf("ExecJRE: new: %s\n", jre);
|
|
}
|
|
|
|
/*
|
|
* If the path to the selected JRE directory is a match to the initial
|
|
* portion of the path to the currently executing JRE, we have a winner!
|
|
* If so, just return. (strnicmp() is the Windows equiv. of strncasecmp().)
|
|
*/
|
|
if (strnicmp(jre, path, strlen(jre)) == 0)
|
|
return; /* I am the droid you were looking for */
|
|
|
|
/*
|
|
* If this isn't the selected version, exec the selected version.
|
|
*/
|
|
(void)strcat(strcat(strcpy(path, jre), "\\bin\\"), progname);
|
|
(void)strcat(path, ".exe");
|
|
|
|
/*
|
|
* Although Windows has an execv() entrypoint, it doesn't actually
|
|
* overlay a process: it can only create a new process and terminate
|
|
* the old process. Therefore, any processes waiting on the initial
|
|
* process wake up and they shouldn't. Hence, a chain of pseudo-zombie
|
|
* processes must be retained to maintain the proper wait semantics.
|
|
* Fortunately the image size of the launcher isn't too large at this
|
|
* time.
|
|
*
|
|
* If it weren't for this semantic flaw, the code below would be ...
|
|
*
|
|
* execv(path, argv);
|
|
* ReportErrorMessage2("Exec of %s failed\n", path, JNI_TRUE);
|
|
* exit(1);
|
|
*
|
|
* The incorrect exec semantics could be addressed by:
|
|
*
|
|
* exit((int)spawnv(_P_WAIT, path, argv));
|
|
*
|
|
* Unfortunately, a bug in Windows spawn/exec impementation prevents
|
|
* this from completely working. All the Windows POSIX process creation
|
|
* interfaces are implemented as wrappers around the native Windows
|
|
* function CreateProcess(). CreateProcess() takes a single string
|
|
* to specify command line options and arguments, so the POSIX routine
|
|
* wrappers build a single string from the argv[] array and in the
|
|
* process, any quoting information is lost.
|
|
*
|
|
* The solution to this to get the original command line, to process it
|
|
* to remove the new multiple JRE options (if any) as was done for argv
|
|
* in the common SelectVersion() routine and finally to pass it directly
|
|
* to the native CreateProcess() Windows process control interface.
|
|
*/
|
|
{
|
|
char *cmdline;
|
|
char *p;
|
|
char *np;
|
|
char *ocl;
|
|
char *ccl;
|
|
char *unquoted;
|
|
DWORD exitCode;
|
|
STARTUPINFO si;
|
|
PROCESS_INFORMATION pi;
|
|
|
|
/*
|
|
* The following code block gets and processes the original command
|
|
* line, replacing the argv[0] equivalent in the command line with
|
|
* the path to the new executable and removing the appropriate
|
|
* Multiple JRE support options. Note that similar logic exists
|
|
* in the platform independent SelectVersion routine, but is
|
|
* replicated here due to the syntax of CreateProcess().
|
|
*
|
|
* The magic "+ 4" characters added to the command line length are
|
|
* 2 possible quotes around the path (argv[0]), a space after the
|
|
* path and a terminating null character.
|
|
*/
|
|
ocl = GetCommandLine();
|
|
np = ccl = JLI_StringDup(ocl);
|
|
p = nextarg(&np); /* Discard argv[0] */
|
|
cmdline = (char *)JLI_MemAlloc(strlen(path) + strlen(np) + 4);
|
|
if (strchr(path, (int)' ') == NULL && strchr(path, (int)'\t') == NULL)
|
|
cmdline = strcpy(cmdline, path);
|
|
else
|
|
cmdline = strcat(strcat(strcpy(cmdline, "\""), path), "\"");
|
|
|
|
while (*np != (char)0) { /* While more command-line */
|
|
p = nextarg(&np);
|
|
if (*p != (char)0) { /* If a token was isolated */
|
|
unquoted = unquote(p);
|
|
if (*unquoted == '-') { /* Looks like an option */
|
|
if (strcmp(unquoted, "-classpath") == 0 ||
|
|
strcmp(unquoted, "-cp") == 0) { /* Unique cp syntax */
|
|
cmdline = strcat(strcat(cmdline, " "), p);
|
|
p = nextarg(&np);
|
|
if (*p != (char)0) /* If a token was isolated */
|
|
cmdline = strcat(strcat(cmdline, " "), p);
|
|
} else if (strncmp(unquoted, "-version:", 9) != 0 &&
|
|
strcmp(unquoted, "-jre-restrict-search") != 0 &&
|
|
strcmp(unquoted, "-no-jre-restrict-search") != 0) {
|
|
cmdline = strcat(strcat(cmdline, " "), p);
|
|
}
|
|
} else { /* End of options */
|
|
cmdline = strcat(strcat(cmdline, " "), p);
|
|
cmdline = strcat(strcat(cmdline, " "), np);
|
|
JLI_MemFree((void *)unquoted);
|
|
break;
|
|
}
|
|
JLI_MemFree((void *)unquoted);
|
|
}
|
|
}
|
|
JLI_MemFree((void *)ccl);
|
|
|
|
if (_launcher_debug) {
|
|
np = ccl = JLI_StringDup(cmdline);
|
|
p = nextarg(&np);
|
|
printf("ReExec Command: %s (%s)\n", path, p);
|
|
printf("ReExec Args: %s\n", np);
|
|
JLI_MemFree((void *)ccl);
|
|
}
|
|
(void)fflush(stdout);
|
|
(void)fflush(stderr);
|
|
|
|
/*
|
|
* The following code is modeled after a model presented in the
|
|
* Microsoft Technical Article "Moving Unix Applications to
|
|
* Windows NT" (March 6, 1994) and "Creating Processes" on MSDN
|
|
* (Februrary 2005). It approximates UNIX spawn semantics with
|
|
* the parent waiting for termination of the child.
|
|
*/
|
|
memset(&si, 0, sizeof(si));
|
|
si.cb =sizeof(STARTUPINFO);
|
|
memset(&pi, 0, sizeof(pi));
|
|
|
|
if (!CreateProcess((LPCTSTR)path, /* executable name */
|
|
(LPTSTR)cmdline, /* command line */
|
|
(LPSECURITY_ATTRIBUTES)NULL, /* process security attr. */
|
|
(LPSECURITY_ATTRIBUTES)NULL, /* thread security attr. */
|
|
(BOOL)TRUE, /* inherits system handles */
|
|
(DWORD)0, /* creation flags */
|
|
(LPVOID)NULL, /* environment block */
|
|
(LPCTSTR)NULL, /* current directory */
|
|
(LPSTARTUPINFO)&si, /* (in) startup information */
|
|
(LPPROCESS_INFORMATION)&pi)) { /* (out) process information */
|
|
ReportSysErrorMessage2("CreateProcess(%s, ...) failed: %s",
|
|
path, JNI_TRUE);
|
|
exit(1);
|
|
}
|
|
|
|
if (WaitForSingleObject(pi.hProcess, INFINITE) != WAIT_FAILED) {
|
|
if (GetExitCodeProcess(pi.hProcess, &exitCode) == FALSE)
|
|
exitCode = 1;
|
|
} else {
|
|
ReportErrorMessage("WaitForSingleObject() failed.", JNI_TRUE);
|
|
exitCode = 1;
|
|
}
|
|
|
|
CloseHandle(pi.hThread);
|
|
CloseHandle(pi.hProcess);
|
|
|
|
exit(exitCode);
|
|
}
|
|
|
|
}
|
|
|
|
#endif /* ifndef GAMMA */
|
|
|
|
|
|
/*
|
|
* Wrapper for platform dependent unsetenv function.
|
|
*/
|
|
int
|
|
UnsetEnv(char *name)
|
|
{
|
|
int ret;
|
|
char *buf = JLI_MemAlloc(strlen(name) + 2);
|
|
buf = strcat(strcpy(buf, name), "=");
|
|
ret = _putenv(buf);
|
|
JLI_MemFree(buf);
|
|
return (ret);
|
|
}
|
|
|
|
/* --- Splash Screen shared library support --- */
|
|
|
|
static const char* SPLASHSCREEN_SO = "\\bin\\splashscreen.dll";
|
|
|
|
static HMODULE hSplashLib = NULL;
|
|
|
|
void* SplashProcAddress(const char* name) {
|
|
char libraryPath[MAXPATHLEN]; /* some extra space for strcat'ing SPLASHSCREEN_SO */
|
|
|
|
if (!GetJREPath(libraryPath, MAXPATHLEN)) {
|
|
return NULL;
|
|
}
|
|
if (strlen(libraryPath)+strlen(SPLASHSCREEN_SO) >= MAXPATHLEN) {
|
|
return NULL;
|
|
}
|
|
strcat(libraryPath, SPLASHSCREEN_SO);
|
|
|
|
if (!hSplashLib) {
|
|
hSplashLib = LoadLibrary(libraryPath);
|
|
}
|
|
if (hSplashLib) {
|
|
return GetProcAddress(hSplashLib, name);
|
|
} else {
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
void SplashFreeLibrary() {
|
|
if (hSplashLib) {
|
|
FreeLibrary(hSplashLib);
|
|
hSplashLib = NULL;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Block current thread and continue execution in a new thread
|
|
*/
|
|
int
|
|
ContinueInNewThread(int (JNICALL *continuation)(void *), jlong stack_size, void * args) {
|
|
int rslt = 0;
|
|
unsigned thread_id;
|
|
|
|
#ifndef STACK_SIZE_PARAM_IS_A_RESERVATION
|
|
#define STACK_SIZE_PARAM_IS_A_RESERVATION (0x10000)
|
|
#endif
|
|
|
|
/*
|
|
* STACK_SIZE_PARAM_IS_A_RESERVATION is what we want, but it's not
|
|
* supported on older version of Windows. Try first with the flag; and
|
|
* if that fails try again without the flag. See MSDN document or HotSpot
|
|
* source (os_win32.cpp) for details.
|
|
*/
|
|
HANDLE thread_handle =
|
|
(HANDLE)_beginthreadex(NULL,
|
|
(unsigned)stack_size,
|
|
continuation,
|
|
args,
|
|
STACK_SIZE_PARAM_IS_A_RESERVATION,
|
|
&thread_id);
|
|
if (thread_handle == NULL) {
|
|
thread_handle =
|
|
(HANDLE)_beginthreadex(NULL,
|
|
(unsigned)stack_size,
|
|
continuation,
|
|
args,
|
|
0,
|
|
&thread_id);
|
|
}
|
|
|
|
/* AWT preloading (AFTER main thread start) */
|
|
#ifdef ENABLE_AWT_PRELOAD
|
|
/* D3D preloading */
|
|
if (awtPreloadD3D != 0) {
|
|
char *envValue;
|
|
/* D3D routines checks env.var J2D_D3D if no appropriate
|
|
* command line params was specified
|
|
*/
|
|
envValue = getenv("J2D_D3D");
|
|
if (envValue != NULL && stricmp(envValue, "false") == 0) {
|
|
awtPreloadD3D = 0;
|
|
}
|
|
/* Test that AWT preloading isn't disabled by J2D_D3D_PRELOAD env.var */
|
|
envValue = getenv("J2D_D3D_PRELOAD");
|
|
if (envValue != NULL && stricmp(envValue, "false") == 0) {
|
|
awtPreloadD3D = 0;
|
|
}
|
|
if (awtPreloadD3D < 0) {
|
|
/* If awtPreloadD3D is still undefined (-1), test
|
|
* if it is turned on by J2D_D3D_PRELOAD env.var.
|
|
* By default it's turned OFF.
|
|
*/
|
|
awtPreloadD3D = 0;
|
|
if (envValue != NULL && stricmp(envValue, "true") == 0) {
|
|
awtPreloadD3D = 1;
|
|
}
|
|
}
|
|
}
|
|
if (awtPreloadD3D) {
|
|
AWTPreload(D3D_PRELOAD_FUNC);
|
|
}
|
|
#endif /* ENABLE_AWT_PRELOAD */
|
|
|
|
if (thread_handle) {
|
|
WaitForSingleObject(thread_handle, INFINITE);
|
|
GetExitCodeThread(thread_handle, &rslt);
|
|
CloseHandle(thread_handle);
|
|
} else {
|
|
rslt = continuation(args);
|
|
}
|
|
|
|
#ifdef ENABLE_AWT_PRELOAD
|
|
if (awtPreloaded) {
|
|
AWTPreloadStop();
|
|
}
|
|
#endif /* ENABLE_AWT_PRELOAD */
|
|
|
|
return rslt;
|
|
}
|
|
|
|
/* Linux only, empty on windows. */
|
|
void SetJavaLauncherPlatformProps() {}
|
|
|
|
|
|
//==============================
|
|
// AWT preloading
|
|
#ifdef ENABLE_AWT_PRELOAD
|
|
|
|
typedef int FnPreloadStart(void);
|
|
typedef void FnPreloadStop(void);
|
|
static FnPreloadStop *fnPreloadStop = NULL;
|
|
static HMODULE hPreloadAwt = NULL;
|
|
|
|
/*
|
|
* Starts AWT preloading
|
|
*/
|
|
int AWTPreload(const char *funcName)
|
|
{
|
|
int result = -1;
|
|
|
|
// load AWT library once (if several preload function should be called)
|
|
if (hPreloadAwt == NULL) {
|
|
// awt.dll is not loaded yet
|
|
char libraryPath[MAXPATHLEN];
|
|
int jrePathLen = 0;
|
|
HMODULE hJava = NULL;
|
|
HMODULE hVerify = NULL;
|
|
|
|
while (1) {
|
|
// awt.dll depends on jvm.dll & java.dll;
|
|
// jvm.dll is already loaded, so we need only java.dll;
|
|
// java.dll depends on MSVCRT lib & verify.dll.
|
|
if (!GetJREPath(libraryPath, MAXPATHLEN)) {
|
|
break;
|
|
}
|
|
|
|
// save path length
|
|
jrePathLen = strlen(libraryPath);
|
|
|
|
// load msvcrt 1st
|
|
LoadMSVCRT();
|
|
|
|
// load verify.dll
|
|
strcat(libraryPath, "\\bin\\verify.dll");
|
|
hVerify = LoadLibrary(libraryPath);
|
|
if (hVerify == NULL) {
|
|
break;
|
|
}
|
|
|
|
// restore jrePath
|
|
libraryPath[jrePathLen] = 0;
|
|
// load java.dll
|
|
strcat(libraryPath, "\\bin\\" JAVA_DLL);
|
|
hJava = LoadLibrary(libraryPath);
|
|
if (hJava == NULL) {
|
|
break;
|
|
}
|
|
|
|
// restore jrePath
|
|
libraryPath[jrePathLen] = 0;
|
|
// load awt.dll
|
|
strcat(libraryPath, "\\bin\\awt.dll");
|
|
hPreloadAwt = LoadLibrary(libraryPath);
|
|
if (hPreloadAwt == NULL) {
|
|
break;
|
|
}
|
|
|
|
// get "preloadStop" func ptr
|
|
fnPreloadStop = (FnPreloadStop *)GetProcAddress(hPreloadAwt, "preloadStop");
|
|
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (hPreloadAwt != NULL) {
|
|
FnPreloadStart *fnInit = (FnPreloadStart *)GetProcAddress(hPreloadAwt, funcName);
|
|
if (fnInit != NULL) {
|
|
// don't forget to stop preloading
|
|
awtPreloaded = 1;
|
|
|
|
result = fnInit();
|
|
}
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
/*
|
|
* Terminates AWT preloading
|
|
*/
|
|
void AWTPreloadStop() {
|
|
if (fnPreloadStop != NULL) {
|
|
fnPreloadStop();
|
|
}
|
|
}
|
|
|
|
#endif /* ENABLE_AWT_PRELOAD */
|