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1985
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1 /*
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2 * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 *
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23 */
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24
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25 #include <windows.h>
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26 #include <io.h>
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27 #include <process.h>
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28 #include <stdlib.h>
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29 #include <stdio.h>
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30 #include <string.h>
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31 #include <sys/types.h>
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32 #include <sys/stat.h>
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33
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34 #include <jni.h>
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35 #include "java.h"
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36 #ifndef GAMMA
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37 #include "version_comp.h"
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38 #endif
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39
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40 #define JVM_DLL "jvm.dll"
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41 #define JAVA_DLL "java.dll"
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42 #define CRT_DLL "msvcr71.dll"
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43
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44 /*
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45 * Prototypes.
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46 */
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47 static jboolean GetPublicJREHome(char *path, jint pathsize);
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48 static jboolean GetJVMPath(const char *jrepath, const char *jvmtype,
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49 char *jvmpath, jint jvmpathsize);
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50 static jboolean GetJREPath(char *path, jint pathsize);
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51 static void EnsureJreInstallation(const char *jrepath);
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52
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53 /* We supports warmup for UI stack that is performed in parallel
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54 * to VM initialization.
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55 * This helps to improve startup of UI application as warmup phase
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56 * might be long due to initialization of OS or hardware resources.
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57 * It is not CPU bound and therefore it does not interfere with VM init.
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58 * Obviously such warmup only has sense for UI apps and therefore it needs
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59 * to be explicitly requested by passing -Dsun.awt.warmup=true property
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60 * (this is always the case for plugin/javaws).
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61 *
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62 * Implementation launches new thread after VM starts and use it to perform
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63 * warmup code (platform dependent).
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64 * This thread is later reused as AWT toolkit thread as graphics toolkit
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65 * often assume that they are used from the same thread they were launched on.
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66 *
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67 * At the moment we only support warmup for D3D. It only possible on windows
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68 * and only if other flags do not prohibit this (e.g. OpenGL support requested).
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69 */
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70 #undef ENABLE_AWT_PRELOAD
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71 #ifndef JAVA_ARGS /* turn off AWT preloading for javac, jar, etc */
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72 #ifdef _X86_ /* for now disable AWT preloading for 64bit */
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73 #define ENABLE_AWT_PRELOAD
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74 #endif
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75 #endif
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76
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77 #ifdef ENABLE_AWT_PRELOAD
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78 /* "AWT was preloaded" flag;
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79 * Turned on by AWTPreload().
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80 */
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81 int awtPreloaded = 0;
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82
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83 /* Calls a function with the name specified.
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84 * The function must be int(*fn)(void).
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85 */
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86 int AWTPreload(const char *funcName);
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87 /* Stops AWT preloading. */
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88 void AWTPreloadStop();
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89
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90 /* D3D preloading */
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91 /* -1: not initialized; 0: OFF, 1: ON */
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92 int awtPreloadD3D = -1;
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93 /* Command line parameter to swith D3D preloading on. */
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94 #define PARAM_PRELOAD_D3D "-Dsun.awt.warmup"
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95 /* D3D/OpenGL management parameters (may disable D3D preloading) */
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96 #define PARAM_NODDRAW "-Dsun.java2d.noddraw"
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97 #define PARAM_D3D "-Dsun.java2d.d3d"
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98 #define PARAM_OPENGL "-Dsun.java2d.opengl"
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99 /* funtion in awt.dll (src/windows/native/sun/java2d/d3d/D3DPipelineManager.cpp) */
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100 #define D3D_PRELOAD_FUNC "preloadD3D"
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101
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102
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103 /* Extracts value of a parameter with the specified name
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104 * from command line argument (returns pointer in the argument).
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105 * Returns NULL if the argument does not contains the parameter.
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106 * e.g.:
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107 * GetParamValue("theParam", "theParam=value") returns pointer to "value".
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108 */
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109 const char * GetParamValue(const char *paramName, const char *arg) {
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110 int nameLen = strlen(paramName);
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111 if (strncmp(paramName, arg, nameLen) == 0) {
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112 // arg[nameLen] is valid (may contain final NULL)
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113 if (arg[nameLen] == '=') {
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114 return arg + nameLen + 1;
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115 }
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116 }
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117 return NULL;
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118 }
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119
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120 /* Checks if commandline argument contains property specified
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121 * and analyze it as boolean property (true/false).
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122 * Returns -1 if the argument does not contain the parameter;
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123 * Returns 1 if the argument contains the parameter and its value is "true";
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124 * Returns 0 if the argument contains the parameter and its value is "false".
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125 */
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126 int GetBoolParamValue(const char *paramName, const char *arg) {
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127 const char * paramValue = GetParamValue(paramName, arg);
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128 if (paramValue != NULL) {
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129 if (stricmp(paramValue, "true") == 0) {
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130 return 1;
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131 }
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132 if (stricmp(paramValue, "false") == 0) {
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133 return 0;
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134 }
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135 }
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136 return -1;
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137 }
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138 #endif /* ENABLE_AWT_PRELOAD */
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139
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140
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141 const char *
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142 GetArch()
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143 {
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144
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145 #ifdef _M_AMD64
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146 return "amd64";
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147 #elif defined(_M_IA64)
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148 return "ia64";
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149 #else
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150 return "i386";
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151 #endif
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152 }
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153
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154 /*
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155 *
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156 */
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157 void
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158 CreateExecutionEnvironment(int *_argc,
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159 char ***_argv,
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160 char jrepath[],
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161 jint so_jrepath,
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162 char jvmpath[],
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163 jint so_jvmpath,
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164 char **original_argv) {
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165 #ifndef GAMMA
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166 char * jvmtype;
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167
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168 /* Find out where the JRE is that we will be using. */
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169 if (!GetJREPath(jrepath, so_jrepath)) {
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170 ReportErrorMessage("Error: could not find Java SE Runtime Environment.",
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171 JNI_TRUE);
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172 exit(2);
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173 }
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174
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175 /* Do this before we read jvm.cfg */
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176 EnsureJreInstallation(jrepath);
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177
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178 /* Find the specified JVM type */
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179 if (ReadKnownVMs(jrepath, (char*)GetArch(), JNI_FALSE) < 1) {
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180 ReportErrorMessage("Error: no known VMs. (check for corrupt jvm.cfg file)",
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181 JNI_TRUE);
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182 exit(1);
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183 }
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184 jvmtype = CheckJvmType(_argc, _argv, JNI_FALSE);
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185
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186 jvmpath[0] = '\0';
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187 if (!GetJVMPath(jrepath, jvmtype, jvmpath, so_jvmpath)) {
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188 char * message=NULL;
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189 const char * format = "Error: no `%s' JVM at `%s'.";
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190 message = (char *)JLI_MemAlloc((strlen(format)+strlen(jvmtype)+
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191 strlen(jvmpath)) * sizeof(char));
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192 sprintf(message,format, jvmtype, jvmpath);
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193 ReportErrorMessage(message, JNI_TRUE);
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194 exit(4);
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195 }
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196 /* If we got here, jvmpath has been correctly initialized. */
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197
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198 #else /* ifndef GAMMA */
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199
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200 /*
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201 * gamma launcher is simpler in that it doesn't handle VM flavors, data
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202 * model, etc. Assuming everything is set-up correctly
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203 * all we need to do here is to return correct path names. See also
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204 * GetJVMPath() and GetApplicationHome().
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205 */
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206
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207 {
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208 if (!GetJREPath(jrepath, so_jrepath) ) {
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209 ReportErrorMessage("Error: could not find Java SE Runtime Environment.",
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210 JNI_TRUE);
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211 exit(2);
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212 }
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213
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214 if (!GetJVMPath(jrepath, NULL, jvmpath, so_jvmpath)) {
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215 char * message=NULL;
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216 const char * format = "Error: no JVM at `%s'.";
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217 message = (char *)JLI_MemAlloc((strlen(format)+
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218 strlen(jvmpath)) * sizeof(char));
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219 sprintf(message, format, jvmpath);
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220 ReportErrorMessage(message, JNI_TRUE);
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221 exit(4);
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222 }
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223 }
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224
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225 #endif /* ifndef GAMMA */
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226
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227 }
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228
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229
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230 static jboolean
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231 LoadMSVCRT()
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232 {
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233 // Only do this once
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234 static int loaded = 0;
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235 char crtpath[MAXPATHLEN];
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236
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237 if (!loaded) {
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238 /*
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239 * The Microsoft C Runtime Library needs to be loaded first. A copy is
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240 * assumed to be present in the "JRE path" directory. If it is not found
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241 * there (or "JRE path" fails to resolve), skip the explicit load and let
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242 * nature take its course, which is likely to be a failure to execute.
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243 */
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244 if (GetJREPath(crtpath, MAXPATHLEN)) {
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245 (void)strcat(crtpath, "\\bin\\" CRT_DLL); /* Add crt dll */
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246 if (_launcher_debug) {
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247 printf("CRT path is %s\n", crtpath);
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248 }
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249 if (_access(crtpath, 0) == 0) {
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250 if (LoadLibrary(crtpath) == 0) {
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251 ReportErrorMessage2("Error loading: %s", crtpath, JNI_TRUE);
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252 return JNI_FALSE;
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253 }
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254 }
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255 }
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256 loaded = 1;
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257 }
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258 return JNI_TRUE;
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259 }
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260
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261 /*
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262 * The preJVMStart is a function in the jkernel.dll, which
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263 * performs the final step of synthesizing back the decomposed
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264 * modules (partial install) to the full JRE. Any tool which
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265 * uses the JRE must peform this step to ensure the complete synthesis.
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266 * The EnsureJreInstallation function calls preJVMStart based on
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267 * the conditions outlined below, noting that the operation
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268 * will fail silently if any of conditions are not met.
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269 * NOTE: this call must be made before jvm.dll is loaded, or jvm.cfg
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270 * is read, since jvm.cfg will be modified by the preJVMStart.
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271 * 1. Are we on a supported platform.
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272 * 2. Find the location of the JRE or the Kernel JRE.
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273 * 3. check existence of JREHOME/lib/bundles
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274 * 4. check jkernel.dll and invoke the entry-point
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275 */
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276 typedef VOID (WINAPI *PREJVMSTART)();
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277
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278 static void
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279 EnsureJreInstallation(const char* jrepath)
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280 {
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281 HINSTANCE handle;
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282 char tmpbuf[MAXPATHLEN];
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283 PREJVMSTART PreJVMStart;
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284 struct stat s;
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285
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286 /* 32 bit windows only please */
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287 if (strcmp(GetArch(), "i386") != 0 ) {
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288 if (_launcher_debug) {
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289 printf("EnsureJreInstallation:unsupported platform\n");
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290 }
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291 return;
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292 }
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293 /* Does our bundle directory exist ? */
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294 strcpy(tmpbuf, jrepath);
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295 strcat(tmpbuf, "\\lib\\bundles");
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296 if (stat(tmpbuf, &s) != 0) {
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297 if (_launcher_debug) {
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298 printf("EnsureJreInstallation:<%s>:not found\n", tmpbuf);
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299 }
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300 return;
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301 }
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302 /* Does our jkernel dll exist ? */
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303 strcpy(tmpbuf, jrepath);
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304 strcat(tmpbuf, "\\bin\\jkernel.dll");
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305 if (stat(tmpbuf, &s) != 0) {
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306 if (_launcher_debug) {
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307 printf("EnsureJreInstallation:<%s>:not found\n", tmpbuf);
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308 }
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309 return;
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310 }
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311 /* The Microsoft C Runtime Library needs to be loaded first. */
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312 if (!LoadMSVCRT()) {
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313 if (_launcher_debug) {
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314 printf("EnsureJreInstallation:could not load C runtime DLL\n");
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315 }
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316 return;
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317 }
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318 /* Load the jkernel.dll */
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319 if ((handle = LoadLibrary(tmpbuf)) == 0) {
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320 if (_launcher_debug) {
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321 printf("EnsureJreInstallation:%s:load failed\n", tmpbuf);
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322 }
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323 return;
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324 }
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325 /* Get the function address */
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326 PreJVMStart = (PREJVMSTART)GetProcAddress(handle, "preJVMStart");
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327 if (PreJVMStart == NULL) {
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328 if (_launcher_debug) {
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329 printf("EnsureJreInstallation:preJVMStart:function lookup failed\n");
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330 }
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331 FreeLibrary(handle);
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332 return;
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333 }
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334 PreJVMStart();
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335 if (_launcher_debug) {
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336 printf("EnsureJreInstallation:preJVMStart:called\n");
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337 }
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338 FreeLibrary(handle);
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339 return;
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340 }
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341
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342 /*
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343 * Find path to JRE based on .exe's location or registry settings.
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344 */
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345 jboolean
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346 GetJREPath(char *path, jint pathsize)
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347 {
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348 char javadll[MAXPATHLEN];
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349 struct stat s;
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350
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351 if (GetApplicationHome(path, pathsize)) {
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352 /* Is JRE co-located with the application? */
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353 sprintf(javadll, "%s\\bin\\" JAVA_DLL, path);
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354 if (stat(javadll, &s) == 0) {
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355 goto found;
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356 }
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357
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358 /* Does this app ship a private JRE in <apphome>\jre directory? */
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359 sprintf(javadll, "%s\\jre\\bin\\" JAVA_DLL, path);
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360 if (stat(javadll, &s) == 0) {
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361 strcat(path, "\\jre");
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362 goto found;
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363 }
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364 }
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365
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366 #ifndef GAMMA
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367 /* Look for a public JRE on this machine. */
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368 if (GetPublicJREHome(path, pathsize)) {
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369 goto found;
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370 }
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371 #endif
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372
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373 fprintf(stderr, "Error: could not find " JAVA_DLL "\n");
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374 return JNI_FALSE;
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375
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376 found:
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377 if (_launcher_debug)
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378 printf("JRE path is %s\n", path);
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379 return JNI_TRUE;
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380 }
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381
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382 /*
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383 * Given a JRE location and a JVM type, construct what the name the
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384 * JVM shared library will be. Return true, if such a library
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385 * exists, false otherwise.
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386 */
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387 static jboolean
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388 GetJVMPath(const char *jrepath, const char *jvmtype,
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389 char *jvmpath, jint jvmpathsize)
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390 {
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391 struct stat s;
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392
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393 #ifndef GAMMA
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394 if (strchr(jvmtype, '/') || strchr(jvmtype, '\\')) {
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395 sprintf(jvmpath, "%s\\" JVM_DLL, jvmtype);
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396 } else {
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397 sprintf(jvmpath, "%s\\bin\\%s\\" JVM_DLL, jrepath, jvmtype);
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398 }
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399 #else
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400 /*
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401 * For gamma launcher, JVM is either built-in or in the same directory.
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|
|
402 * Either way we return "<exe_path>/jvm.dll" where <exe_path> is the
|
|
|
403 * directory where gamma launcher is located.
|
|
|
404 */
|
|
|
405
|
|
|
406 char *p;
|
|
|
407 GetModuleFileName(0, jvmpath, jvmpathsize);
|
|
|
408
|
|
|
409 p = strrchr(jvmpath, '\\');
|
|
|
410 if (p) {
|
|
|
411 /* replace executable name with libjvm.so */
|
|
|
412 snprintf(p + 1, jvmpathsize - (p + 1 - jvmpath), "%s", JVM_DLL);
|
|
|
413 } else {
|
|
|
414 /* this case shouldn't happen */
|
|
|
415 snprintf(jvmpath, jvmpathsize, "%s", JVM_DLL);
|
|
|
416 }
|
|
|
417 #endif /* ifndef GAMMA */
|
|
|
418
|
|
|
419 if (stat(jvmpath, &s) == 0) {
|
|
|
420 return JNI_TRUE;
|
|
|
421 } else {
|
|
|
422 return JNI_FALSE;
|
|
|
423 }
|
|
|
424 }
|
|
|
425
|
|
|
426 /*
|
|
|
427 * Load a jvm from "jvmpath" and initialize the invocation functions.
|
|
|
428 */
|
|
|
429 jboolean
|
|
|
430 LoadJavaVM(const char *jvmpath, InvocationFunctions *ifn)
|
|
|
431 {
|
|
|
432 #ifdef GAMMA
|
|
|
433 /* JVM is directly linked with gamma launcher; no Loadlibrary() */
|
|
|
434 ifn->CreateJavaVM = JNI_CreateJavaVM;
|
|
|
435 ifn->GetDefaultJavaVMInitArgs = JNI_GetDefaultJavaVMInitArgs;
|
|
|
436 return JNI_TRUE;
|
|
|
437 #else
|
|
|
438 HINSTANCE handle;
|
|
|
439
|
|
|
440 if (_launcher_debug) {
|
|
|
441 printf("JVM path is %s\n", jvmpath);
|
|
|
442 }
|
|
|
443
|
|
|
444 /* The Microsoft C Runtime Library needs to be loaded first. */
|
|
|
445 LoadMSVCRT();
|
|
|
446
|
|
|
447 /* Load the Java VM DLL */
|
|
|
448 if ((handle = LoadLibrary(jvmpath)) == 0) {
|
|
|
449 ReportErrorMessage2("Error loading: %s", (char *)jvmpath, JNI_TRUE);
|
|
|
450 return JNI_FALSE;
|
|
|
451 }
|
|
|
452
|
|
|
453 /* Now get the function addresses */
|
|
|
454 ifn->CreateJavaVM =
|
|
|
455 (void *)GetProcAddress(handle, "JNI_CreateJavaVM");
|
|
|
456 ifn->GetDefaultJavaVMInitArgs =
|
|
|
457 (void *)GetProcAddress(handle, "JNI_GetDefaultJavaVMInitArgs");
|
|
|
458 if (ifn->CreateJavaVM == 0 || ifn->GetDefaultJavaVMInitArgs == 0) {
|
|
|
459 ReportErrorMessage2("Error: can't find JNI interfaces in: %s",
|
|
|
460 (char *)jvmpath, JNI_TRUE);
|
|
|
461 return JNI_FALSE;
|
|
|
462 }
|
|
|
463
|
|
|
464 return JNI_TRUE;
|
|
|
465 #endif /* ifndef GAMMA */
|
|
|
466 }
|
|
|
467
|
|
|
468 /*
|
|
|
469 * If app is "c:\foo\bin\javac", then put "c:\foo" into buf.
|
|
|
470 */
|
|
|
471 jboolean
|
|
|
472 GetApplicationHome(char *buf, jint bufsize)
|
|
|
473 {
|
|
|
474 #ifndef GAMMA
|
|
|
475 char *cp;
|
|
|
476 GetModuleFileName(0, buf, bufsize);
|
|
|
477 *strrchr(buf, '\\') = '\0'; /* remove .exe file name */
|
|
|
478 if ((cp = strrchr(buf, '\\')) == 0) {
|
|
|
479 /* This happens if the application is in a drive root, and
|
|
|
480 * there is no bin directory. */
|
|
|
481 buf[0] = '\0';
|
|
|
482 return JNI_FALSE;
|
|
|
483 }
|
|
|
484 *cp = '\0'; /* remove the bin\ part */
|
|
|
485 return JNI_TRUE;
|
|
|
486
|
|
|
487 #else /* ifndef GAMMA */
|
|
|
488
|
|
|
489 /* gamma launcher uses JAVA_HOME or ALT_JAVA_HOME environment variable to find JDK/JRE */
|
|
|
490 char* java_home_var = getenv("ALT_JAVA_HOME");
|
|
|
491 if (java_home_var == NULL) {
|
|
|
492 java_home_var = getenv("JAVA_HOME");
|
|
|
493 }
|
|
|
494 if (java_home_var == NULL) {
|
|
|
495 printf("JAVA_HOME or ALT_JAVA_HOME must point to a valid JDK/JRE to run gamma\n");
|
|
|
496 return JNI_FALSE;
|
|
|
497 }
|
|
|
498 snprintf(buf, bufsize, "%s", java_home_var);
|
|
|
499 return JNI_TRUE;
|
|
|
500 #endif /* ifndef GAMMA */
|
|
|
501 }
|
|
|
502
|
|
|
503 #ifdef JAVAW
|
|
|
504 __declspec(dllimport) char **__initenv;
|
|
|
505
|
|
|
506 int WINAPI
|
|
|
507 WinMain(HINSTANCE inst, HINSTANCE previnst, LPSTR cmdline, int cmdshow)
|
|
|
508 {
|
|
|
509 int ret;
|
|
|
510
|
|
|
511 __initenv = _environ;
|
|
|
512 ret = main(__argc, __argv);
|
|
|
513
|
|
|
514 return ret;
|
|
|
515 }
|
|
|
516 #endif
|
|
|
517
|
|
|
518 #ifndef GAMMA
|
|
|
519
|
|
|
520 /*
|
|
|
521 * Helpers to look in the registry for a public JRE.
|
|
|
522 */
|
|
|
523 /* Same for 1.5.0, 1.5.1, 1.5.2 etc. */
|
|
|
524 #define DOTRELEASE JDK_MAJOR_VERSION "." JDK_MINOR_VERSION
|
|
|
525 #define JRE_KEY "Software\\JavaSoft\\Java Runtime Environment"
|
|
|
526
|
|
|
527 static jboolean
|
|
|
528 GetStringFromRegistry(HKEY key, const char *name, char *buf, jint bufsize)
|
|
|
529 {
|
|
|
530 DWORD type, size;
|
|
|
531
|
|
|
532 if (RegQueryValueEx(key, name, 0, &type, 0, &size) == 0
|
|
|
533 && type == REG_SZ
|
|
|
534 && (size < (unsigned int)bufsize)) {
|
|
|
535 if (RegQueryValueEx(key, name, 0, 0, buf, &size) == 0) {
|
|
|
536 return JNI_TRUE;
|
|
|
537 }
|
|
|
538 }
|
|
|
539 return JNI_FALSE;
|
|
|
540 }
|
|
|
541
|
|
|
542 static jboolean
|
|
|
543 GetPublicJREHome(char *buf, jint bufsize)
|
|
|
544 {
|
|
|
545 HKEY key, subkey;
|
|
|
546 char version[MAXPATHLEN];
|
|
|
547
|
|
|
548 /*
|
|
|
549 * Note: There is a very similar implementation of the following
|
|
|
550 * registry reading code in the Windows java control panel (javacp.cpl).
|
|
|
551 * If there are bugs here, a similar bug probably exists there. Hence,
|
|
|
552 * changes here require inspection there.
|
|
|
553 */
|
|
|
554
|
|
|
555 /* Find the current version of the JRE */
|
|
|
556 if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, JRE_KEY, 0, KEY_READ, &key) != 0) {
|
|
|
557 fprintf(stderr, "Error opening registry key '" JRE_KEY "'\n");
|
|
|
558 return JNI_FALSE;
|
|
|
559 }
|
|
|
560
|
|
|
561 if (!GetStringFromRegistry(key, "CurrentVersion",
|
|
|
562 version, sizeof(version))) {
|
|
|
563 fprintf(stderr, "Failed reading value of registry key:\n\t"
|
|
|
564 JRE_KEY "\\CurrentVersion\n");
|
|
|
565 RegCloseKey(key);
|
|
|
566 return JNI_FALSE;
|
|
|
567 }
|
|
|
568
|
|
|
569 if (strcmp(version, DOTRELEASE) != 0) {
|
|
|
570 fprintf(stderr, "Registry key '" JRE_KEY "\\CurrentVersion'\nhas "
|
|
|
571 "value '%s', but '" DOTRELEASE "' is required.\n", version);
|
|
|
572 RegCloseKey(key);
|
|
|
573 return JNI_FALSE;
|
|
|
574 }
|
|
|
575
|
|
|
576 /* Find directory where the current version is installed. */
|
|
|
577 if (RegOpenKeyEx(key, version, 0, KEY_READ, &subkey) != 0) {
|
|
|
578 fprintf(stderr, "Error opening registry key '"
|
|
|
579 JRE_KEY "\\%s'\n", version);
|
|
|
580 RegCloseKey(key);
|
|
|
581 return JNI_FALSE;
|
|
|
582 }
|
|
|
583
|
|
|
584 if (!GetStringFromRegistry(subkey, "JavaHome", buf, bufsize)) {
|
|
|
585 fprintf(stderr, "Failed reading value of registry key:\n\t"
|
|
|
586 JRE_KEY "\\%s\\JavaHome\n", version);
|
|
|
587 RegCloseKey(key);
|
|
|
588 RegCloseKey(subkey);
|
|
|
589 return JNI_FALSE;
|
|
|
590 }
|
|
|
591
|
|
|
592 if (_launcher_debug) {
|
|
|
593 char micro[MAXPATHLEN];
|
|
|
594 if (!GetStringFromRegistry(subkey, "MicroVersion", micro,
|
|
|
595 sizeof(micro))) {
|
|
|
596 printf("Warning: Can't read MicroVersion\n");
|
|
|
597 micro[0] = '\0';
|
|
|
598 }
|
|
|
599 printf("Version major.minor.micro = %s.%s\n", version, micro);
|
|
|
600 }
|
|
|
601
|
|
|
602 RegCloseKey(key);
|
|
|
603 RegCloseKey(subkey);
|
|
|
604 return JNI_TRUE;
|
|
|
605 }
|
|
|
606
|
|
|
607 #endif /* ifndef GAMMA */
|
|
|
608
|
|
|
609 /*
|
|
|
610 * Support for doing cheap, accurate interval timing.
|
|
|
611 */
|
|
|
612 static jboolean counterAvailable = JNI_FALSE;
|
|
|
613 static jboolean counterInitialized = JNI_FALSE;
|
|
|
614 static LARGE_INTEGER counterFrequency;
|
|
|
615
|
|
|
616 jlong CounterGet()
|
|
|
617 {
|
|
|
618 LARGE_INTEGER count;
|
|
|
619
|
|
|
620 if (!counterInitialized) {
|
|
|
621 counterAvailable = QueryPerformanceFrequency(&counterFrequency);
|
|
|
622 counterInitialized = JNI_TRUE;
|
|
|
623 }
|
|
|
624 if (!counterAvailable) {
|
|
|
625 return 0;
|
|
|
626 }
|
|
|
627 QueryPerformanceCounter(&count);
|
|
|
628 return (jlong)(count.QuadPart);
|
|
|
629 }
|
|
|
630
|
|
|
631 jlong Counter2Micros(jlong counts)
|
|
|
632 {
|
|
|
633 if (!counterAvailable || !counterInitialized) {
|
|
|
634 return 0;
|
|
|
635 }
|
|
|
636 return (counts * 1000 * 1000)/counterFrequency.QuadPart;
|
|
|
637 }
|
|
|
638
|
|
|
639 void ReportErrorMessage(char * message, jboolean always) {
|
|
|
640 #ifdef JAVAW
|
|
|
641 if (message != NULL) {
|
|
|
642 MessageBox(NULL, message, "Java Virtual Machine Launcher",
|
|
|
643 (MB_OK|MB_ICONSTOP|MB_APPLMODAL));
|
|
|
644 }
|
|
|
645 #else
|
|
|
646 if (always) {
|
|
|
647 fprintf(stderr, "%s\n", message);
|
|
|
648 }
|
|
|
649 #endif
|
|
|
650 }
|
|
|
651
|
|
|
652 void ReportErrorMessage2(char * format, char * string, jboolean always) {
|
|
|
653 /*
|
|
|
654 * The format argument must be a printf format string with one %s
|
|
|
655 * argument, which is passed the string argument.
|
|
|
656 */
|
|
|
657 #ifdef JAVAW
|
|
|
658 size_t size;
|
|
|
659 char * message;
|
|
|
660 size = strlen(format) + strlen(string);
|
|
|
661 message = (char*)JLI_MemAlloc(size*sizeof(char));
|
|
|
662 sprintf(message, (const char *)format, string);
|
|
|
663
|
|
|
664 if (message != NULL) {
|
|
|
665 MessageBox(NULL, message, "Java Virtual Machine Launcher",
|
|
|
666 (MB_OK|MB_ICONSTOP|MB_APPLMODAL));
|
|
|
667 JLI_MemFree(message);
|
|
|
668 }
|
|
|
669 #else
|
|
|
670 if (always) {
|
|
|
671 fprintf(stderr, (const char *)format, string);
|
|
|
672 fprintf(stderr, "\n");
|
|
|
673 }
|
|
|
674 #endif
|
|
|
675 }
|
|
|
676
|
|
|
677 /*
|
|
|
678 * As ReportErrorMessage2 (above) except the system message (if any)
|
|
|
679 * associated with this error is written to a second %s format specifier
|
|
|
680 * in the format argument.
|
|
|
681 */
|
|
|
682 void ReportSysErrorMessage2(char * format, char * string, jboolean always) {
|
|
|
683 int save_errno = errno;
|
|
|
684 DWORD errval;
|
|
|
685 int freeit = 0;
|
|
|
686 char *errtext = NULL;
|
|
|
687
|
|
|
688 if ((errval = GetLastError()) != 0) { /* Platform SDK / DOS Error */
|
|
|
689 int n = FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM|
|
|
|
690 FORMAT_MESSAGE_IGNORE_INSERTS|FORMAT_MESSAGE_ALLOCATE_BUFFER,
|
|
|
691 NULL, errval, 0, (LPTSTR)&errtext, 0, NULL);
|
|
|
692 if (errtext == NULL || n == 0) { /* Paranoia check */
|
|
|
693 errtext = "";
|
|
|
694 n = 0;
|
|
|
695 } else {
|
|
|
696 freeit = 1;
|
|
|
697 if (n > 2) { /* Drop final CR, LF */
|
|
|
698 if (errtext[n - 1] == '\n') n--;
|
|
|
699 if (errtext[n - 1] == '\r') n--;
|
|
|
700 errtext[n] = '\0';
|
|
|
701 }
|
|
|
702 }
|
|
|
703 } else /* C runtime error that has no corresponding DOS error code */
|
|
|
704 errtext = strerror(save_errno);
|
|
|
705
|
|
|
706 #ifdef JAVAW
|
|
|
707 {
|
|
|
708 size_t size;
|
|
|
709 char * message;
|
|
|
710 size = strlen(format) + strlen(string) + strlen(errtext);
|
|
|
711 message = (char*)JLI_MemAlloc(size*sizeof(char));
|
|
|
712 sprintf(message, (const char *)format, string, errtext);
|
|
|
713
|
|
|
714 if (message != NULL) {
|
|
|
715 MessageBox(NULL, message, "Java Virtual Machine Launcher",
|
|
|
716 (MB_OK|MB_ICONSTOP|MB_APPLMODAL));
|
|
|
717 JLI_MemFree(message);
|
|
|
718 }
|
|
|
719 }
|
|
|
720 #else
|
|
|
721 if (always) {
|
|
|
722 fprintf(stderr, (const char *)format, string, errtext);
|
|
|
723 fprintf(stderr, "\n");
|
|
|
724 }
|
|
|
725 #endif
|
|
|
726 if (freeit)
|
|
|
727 (void)LocalFree((HLOCAL)errtext);
|
|
|
728 }
|
|
|
729
|
|
|
730 void ReportExceptionDescription(JNIEnv * env) {
|
|
|
731 #ifdef JAVAW
|
|
|
732 /*
|
|
|
733 * This code should be replaced by code which opens a window with
|
|
|
734 * the exception detail message.
|
|
|
735 */
|
|
|
736 (*env)->ExceptionDescribe(env);
|
|
|
737 #else
|
|
|
738 (*env)->ExceptionDescribe(env);
|
|
|
739 #endif
|
|
|
740 }
|
|
|
741
|
|
|
742
|
|
|
743 /*
|
|
|
744 * Return JNI_TRUE for an option string that has no effect but should
|
|
|
745 * _not_ be passed on to the vm; return JNI_FALSE otherwise. On
|
|
|
746 * windows, there are no options that should be screened in this
|
|
|
747 * manner.
|
|
|
748 */
|
|
|
749 jboolean RemovableMachineDependentOption(char * option) {
|
|
|
750 #ifdef ENABLE_AWT_PRELOAD
|
|
|
751 if (awtPreloadD3D < 0) {
|
|
|
752 /* Tests the command line parameter only if not set yet. */
|
|
|
753 if (GetBoolParamValue(PARAM_PRELOAD_D3D, option) == 1) {
|
|
|
754 awtPreloadD3D = 1;
|
|
|
755 }
|
|
|
756 }
|
|
|
757 if (awtPreloadD3D != 0) {
|
|
|
758 /* Don't test the command line parameters if already disabled. */
|
|
|
759 if (GetBoolParamValue(PARAM_NODDRAW, option) == 1
|
|
|
760 || GetBoolParamValue(PARAM_D3D, option) == 0
|
|
|
761 || GetBoolParamValue(PARAM_OPENGL, option) == 1)
|
|
|
762 {
|
|
|
763 awtPreloadD3D = 0;
|
|
|
764 }
|
|
|
765 }
|
|
|
766 #endif /* ENABLE_AWT_PRELOAD */
|
|
|
767
|
|
|
768 return JNI_FALSE;
|
|
|
769 }
|
|
|
770
|
|
|
771 void PrintMachineDependentOptions() {
|
|
|
772 return;
|
|
|
773 }
|
|
|
774
|
|
|
775 #ifndef GAMMA
|
|
|
776
|
|
|
777 jboolean
|
|
|
778 ServerClassMachine() {
|
|
|
779 jboolean result = JNI_FALSE;
|
|
|
780 #if defined(NEVER_ACT_AS_SERVER_CLASS_MACHINE)
|
|
|
781 result = JNI_FALSE;
|
|
|
782 #elif defined(ALWAYS_ACT_AS_SERVER_CLASS_MACHINE)
|
|
|
783 result = JNI_TRUE;
|
|
|
784 #endif
|
|
|
785 return result;
|
|
|
786 }
|
|
|
787
|
|
|
788 /*
|
|
|
789 * Determine if there is an acceptable JRE in the registry directory top_key.
|
|
|
790 * Upon locating the "best" one, return a fully qualified path to it.
|
|
|
791 * "Best" is defined as the most advanced JRE meeting the constraints
|
|
|
792 * contained in the manifest_info. If no JRE in this directory meets the
|
|
|
793 * constraints, return NULL.
|
|
|
794 *
|
|
|
795 * It doesn't matter if we get an error reading the registry, or we just
|
|
|
796 * don't find anything interesting in the directory. We just return NULL
|
|
|
797 * in either case.
|
|
|
798 */
|
|
|
799 static char *
|
|
|
800 ProcessDir(manifest_info* info, HKEY top_key) {
|
|
|
801 DWORD index = 0;
|
|
|
802 HKEY ver_key;
|
|
|
803 char name[MAXNAMELEN];
|
|
|
804 int len;
|
|
|
805 char *best = NULL;
|
|
|
806
|
|
|
807 /*
|
|
|
808 * Enumerate "<top_key>/SOFTWARE/JavaSoft/Java Runtime Environment"
|
|
|
809 * searching for the best available version.
|
|
|
810 */
|
|
|
811 while (RegEnumKey(top_key, index, name, MAXNAMELEN) == ERROR_SUCCESS) {
|
|
|
812 index++;
|
|
|
813 if (JLI_AcceptableRelease(name, info->jre_version))
|
|
|
814 if ((best == NULL) || (JLI_ExactVersionId(name, best) > 0)) {
|
|
|
815 if (best != NULL)
|
|
|
816 JLI_MemFree(best);
|
|
|
817 best = JLI_StringDup(name);
|
|
|
818 }
|
|
|
819 }
|
|
|
820
|
|
|
821 /*
|
|
|
822 * Extract "JavaHome" from the "best" registry directory and return
|
|
|
823 * that path. If no appropriate version was located, or there is an
|
|
|
824 * error in extracting the "JavaHome" string, return null.
|
|
|
825 */
|
|
|
826 if (best == NULL)
|
|
|
827 return (NULL);
|
|
|
828 else {
|
|
|
829 if (RegOpenKeyEx(top_key, best, 0, KEY_READ, &ver_key)
|
|
|
830 != ERROR_SUCCESS) {
|
|
|
831 JLI_MemFree(best);
|
|
|
832 if (ver_key != NULL)
|
|
|
833 RegCloseKey(ver_key);
|
|
|
834 return (NULL);
|
|
|
835 }
|
|
|
836 JLI_MemFree(best);
|
|
|
837 len = MAXNAMELEN;
|
|
|
838 if (RegQueryValueEx(ver_key, "JavaHome", NULL, NULL, (LPBYTE)name, &len)
|
|
|
839 != ERROR_SUCCESS) {
|
|
|
840 if (ver_key != NULL)
|
|
|
841 RegCloseKey(ver_key);
|
|
|
842 return (NULL);
|
|
|
843 }
|
|
|
844 if (ver_key != NULL)
|
|
|
845 RegCloseKey(ver_key);
|
|
|
846 return (JLI_StringDup(name));
|
|
|
847 }
|
|
|
848 }
|
|
|
849
|
|
|
850 /*
|
|
|
851 * This is the global entry point. It examines the host for the optimal
|
|
|
852 * JRE to be used by scanning a set of registry entries. This set of entries
|
|
|
853 * is hardwired on Windows as "Software\JavaSoft\Java Runtime Environment"
|
|
|
854 * under the set of roots "{ HKEY_CURRENT_USER, HKEY_LOCAL_MACHINE }".
|
|
|
855 *
|
|
|
856 * This routine simply opens each of these registry directories before passing
|
|
|
857 * control onto ProcessDir().
|
|
|
858 */
|
|
|
859 char *
|
|
|
860 LocateJRE(manifest_info* info) {
|
|
|
861 HKEY key = NULL;
|
|
|
862 char *path;
|
|
|
863 int key_index;
|
|
|
864 HKEY root_keys[2] = { HKEY_CURRENT_USER, HKEY_LOCAL_MACHINE };
|
|
|
865
|
|
|
866 for (key_index = 0; key_index <= 1; key_index++) {
|
|
|
867 if (RegOpenKeyEx(root_keys[key_index], JRE_KEY, 0, KEY_READ, &key)
|
|
|
868 == ERROR_SUCCESS)
|
|
|
869 if ((path = ProcessDir(info, key)) != NULL) {
|
|
|
870 if (key != NULL)
|
|
|
871 RegCloseKey(key);
|
|
|
872 return (path);
|
|
|
873 }
|
|
|
874 if (key != NULL)
|
|
|
875 RegCloseKey(key);
|
|
|
876 }
|
|
|
877 return NULL;
|
|
|
878 }
|
|
|
879
|
|
|
880
|
|
|
881 /*
|
|
|
882 * Local helper routine to isolate a single token (option or argument)
|
|
|
883 * from the command line.
|
|
|
884 *
|
|
|
885 * This routine accepts a pointer to a character pointer. The first
|
|
|
886 * token (as defined by MSDN command-line argument syntax) is isolated
|
|
|
887 * from that string.
|
|
|
888 *
|
|
|
889 * Upon return, the input character pointer pointed to by the parameter s
|
|
|
890 * is updated to point to the remainding, unscanned, portion of the string,
|
|
|
891 * or to a null character if the entire string has been consummed.
|
|
|
892 *
|
|
|
893 * This function returns a pointer to a null-terminated string which
|
|
|
894 * contains the isolated first token, or to the null character if no
|
|
|
895 * token could be isolated.
|
|
|
896 *
|
|
|
897 * Note the side effect of modifying the input string s by the insertion
|
|
|
898 * of a null character, making it two strings.
|
|
|
899 *
|
|
|
900 * See "Parsing C Command-Line Arguments" in the MSDN Library for the
|
|
|
901 * parsing rule details. The rule summary from that specification is:
|
|
|
902 *
|
|
|
903 * * Arguments are delimited by white space, which is either a space or a tab.
|
|
|
904 *
|
|
|
905 * * A string surrounded by double quotation marks is interpreted as a single
|
|
|
906 * argument, regardless of white space contained within. A quoted string can
|
|
|
907 * be embedded in an argument. Note that the caret (^) is not recognized as
|
|
|
908 * an escape character or delimiter.
|
|
|
909 *
|
|
|
910 * * A double quotation mark preceded by a backslash, \", is interpreted as a
|
|
|
911 * literal double quotation mark (").
|
|
|
912 *
|
|
|
913 * * Backslashes are interpreted literally, unless they immediately precede a
|
|
|
914 * double quotation mark.
|
|
|
915 *
|
|
|
916 * * If an even number of backslashes is followed by a double quotation mark,
|
|
|
917 * then one backslash (\) is placed in the argv array for every pair of
|
|
|
918 * backslashes (\\), and the double quotation mark (") is interpreted as a
|
|
|
919 * string delimiter.
|
|
|
920 *
|
|
|
921 * * If an odd number of backslashes is followed by a double quotation mark,
|
|
|
922 * then one backslash (\) is placed in the argv array for every pair of
|
|
|
923 * backslashes (\\) and the double quotation mark is interpreted as an
|
|
|
924 * escape sequence by the remaining backslash, causing a literal double
|
|
|
925 * quotation mark (") to be placed in argv.
|
|
|
926 */
|
|
|
927 static char*
|
|
|
928 nextarg(char** s) {
|
|
|
929 char *p = *s;
|
|
|
930 char *head;
|
|
|
931 int slashes = 0;
|
|
|
932 int inquote = 0;
|
|
|
933
|
|
|
934 /*
|
|
|
935 * Strip leading whitespace, which MSDN defines as only space or tab.
|
|
|
936 * (Hence, no locale specific "isspace" here.)
|
|
|
937 */
|
|
|
938 while (*p != (char)0 && (*p == ' ' || *p == '\t'))
|
|
|
939 p++;
|
|
|
940 head = p; /* Save the start of the token to return */
|
|
|
941
|
|
|
942 /*
|
|
|
943 * Isolate a token from the command line.
|
|
|
944 */
|
|
|
945 while (*p != (char)0 && (inquote || !(*p == ' ' || *p == '\t'))) {
|
|
|
946 if (*p == '\\' && *(p+1) == '"' && slashes % 2 == 0)
|
|
|
947 p++;
|
|
|
948 else if (*p == '"')
|
|
|
949 inquote = !inquote;
|
|
|
950 slashes = (*p++ == '\\') ? slashes + 1 : 0;
|
|
|
951 }
|
|
|
952
|
|
|
953 /*
|
|
|
954 * If the token isolated isn't already terminated in a "char zero",
|
|
|
955 * then replace the whitespace character with one and move to the
|
|
|
956 * next character.
|
|
|
957 */
|
|
|
958 if (*p != (char)0)
|
|
|
959 *p++ = (char)0;
|
|
|
960
|
|
|
961 /*
|
|
|
962 * Update the parameter to point to the head of the remaining string
|
|
|
963 * reflecting the command line and return a pointer to the leading
|
|
|
964 * token which was isolated from the command line.
|
|
|
965 */
|
|
|
966 *s = p;
|
|
|
967 return (head);
|
|
|
968 }
|
|
|
969
|
|
|
970 /*
|
|
|
971 * Local helper routine to return a string equivalent to the input string
|
|
|
972 * s, but with quotes removed so the result is a string as would be found
|
|
|
973 * in argv[]. The returned string should be freed by a call to JLI_MemFree().
|
|
|
974 *
|
|
|
975 * The rules for quoting (and escaped quotes) are:
|
|
|
976 *
|
|
|
977 * 1 A double quotation mark preceded by a backslash, \", is interpreted as a
|
|
|
978 * literal double quotation mark (").
|
|
|
979 *
|
|
|
980 * 2 Backslashes are interpreted literally, unless they immediately precede a
|
|
|
981 * double quotation mark.
|
|
|
982 *
|
|
|
983 * 3 If an even number of backslashes is followed by a double quotation mark,
|
|
|
984 * then one backslash (\) is placed in the argv array for every pair of
|
|
|
985 * backslashes (\\), and the double quotation mark (") is interpreted as a
|
|
|
986 * string delimiter.
|
|
|
987 *
|
|
|
988 * 4 If an odd number of backslashes is followed by a double quotation mark,
|
|
|
989 * then one backslash (\) is placed in the argv array for every pair of
|
|
|
990 * backslashes (\\) and the double quotation mark is interpreted as an
|
|
|
991 * escape sequence by the remaining backslash, causing a literal double
|
|
|
992 * quotation mark (") to be placed in argv.
|
|
|
993 */
|
|
|
994 static char*
|
|
|
995 unquote(const char *s) {
|
|
|
996 const char *p = s; /* Pointer to the tail of the original string */
|
|
|
997 char *un = (char*)JLI_MemAlloc(strlen(s) + 1); /* Ptr to unquoted string */
|
|
|
998 char *pun = un; /* Pointer to the tail of the unquoted string */
|
|
|
999
|
|
|
1000 while (*p != '\0') {
|
|
|
1001 if (*p == '"') {
|
|
|
1002 p++;
|
|
|
1003 } else if (*p == '\\') {
|
|
|
1004 const char *q = p + strspn(p,"\\");
|
|
|
1005 if (*q == '"')
|
|
|
1006 do {
|
|
|
1007 *pun++ = '\\';
|
|
|
1008 p += 2;
|
|
|
1009 } while (*p == '\\' && p < q);
|
|
|
1010 else
|
|
|
1011 while (p < q)
|
|
|
1012 *pun++ = *p++;
|
|
|
1013 } else {
|
|
|
1014 *pun++ = *p++;
|
|
|
1015 }
|
|
|
1016 }
|
|
|
1017 *pun = '\0';
|
|
|
1018 return un;
|
|
|
1019 }
|
|
|
1020
|
|
|
1021 /*
|
|
|
1022 * Given a path to a jre to execute, this routine checks if this process
|
|
|
1023 * is indeed that jre. If not, it exec's that jre.
|
|
|
1024 *
|
|
|
1025 * We want to actually check the paths rather than just the version string
|
|
|
1026 * built into the executable, so that given version specification will yield
|
|
|
1027 * the exact same Java environment, regardless of the version of the arbitrary
|
|
|
1028 * launcher we start with.
|
|
|
1029 */
|
|
|
1030 void
|
|
|
1031 ExecJRE(char *jre, char **argv) {
|
|
|
1032 int len;
|
|
|
1033 char *progname;
|
|
|
1034 char path[MAXPATHLEN + 1];
|
|
|
1035
|
|
|
1036 /*
|
|
|
1037 * Determine the executable we are building (or in the rare case, running).
|
|
|
1038 */
|
|
|
1039 #ifdef JAVA_ARGS /* javac, jar and friends. */
|
|
|
1040 progname = "java";
|
|
|
1041 #else /* java, oldjava, javaw and friends */
|
|
|
1042 #ifdef PROGNAME
|
|
|
1043 progname = PROGNAME;
|
|
|
1044 #else
|
|
|
1045 {
|
|
|
1046 char *s;
|
|
|
1047 progname = *argv;
|
|
|
1048 if ((s = strrchr(progname, FILE_SEPARATOR)) != 0) {
|
|
|
1049 progname = s + 1;
|
|
|
1050 }
|
|
|
1051 }
|
|
|
1052 #endif /* PROGNAME */
|
|
|
1053 #endif /* JAVA_ARGS */
|
|
|
1054
|
|
|
1055 /*
|
|
|
1056 * Resolve the real path to the currently running launcher.
|
|
|
1057 */
|
|
|
1058 len = GetModuleFileName(NULL, path, MAXPATHLEN + 1);
|
|
|
1059 if (len == 0 || len > MAXPATHLEN) {
|
|
|
1060 ReportSysErrorMessage2(
|
|
|
1061 "Unable to resolve path to current %s executable: %s",
|
|
|
1062 progname, JNI_TRUE);
|
|
|
1063 exit(1);
|
|
|
1064 }
|
|
|
1065
|
|
|
1066 if (_launcher_debug) {
|
|
|
1067 printf("ExecJRE: old: %s\n", path);
|
|
|
1068 printf("ExecJRE: new: %s\n", jre);
|
|
|
1069 }
|
|
|
1070
|
|
|
1071 /*
|
|
|
1072 * If the path to the selected JRE directory is a match to the initial
|
|
|
1073 * portion of the path to the currently executing JRE, we have a winner!
|
|
|
1074 * If so, just return. (strnicmp() is the Windows equiv. of strncasecmp().)
|
|
|
1075 */
|
|
|
1076 if (strnicmp(jre, path, strlen(jre)) == 0)
|
|
|
1077 return; /* I am the droid you were looking for */
|
|
|
1078
|
|
|
1079 /*
|
|
|
1080 * If this isn't the selected version, exec the selected version.
|
|
|
1081 */
|
|
|
1082 (void)strcat(strcat(strcpy(path, jre), "\\bin\\"), progname);
|
|
|
1083 (void)strcat(path, ".exe");
|
|
|
1084
|
|
|
1085 /*
|
|
|
1086 * Although Windows has an execv() entrypoint, it doesn't actually
|
|
|
1087 * overlay a process: it can only create a new process and terminate
|
|
|
1088 * the old process. Therefore, any processes waiting on the initial
|
|
|
1089 * process wake up and they shouldn't. Hence, a chain of pseudo-zombie
|
|
|
1090 * processes must be retained to maintain the proper wait semantics.
|
|
|
1091 * Fortunately the image size of the launcher isn't too large at this
|
|
|
1092 * time.
|
|
|
1093 *
|
|
|
1094 * If it weren't for this semantic flaw, the code below would be ...
|
|
|
1095 *
|
|
|
1096 * execv(path, argv);
|
|
|
1097 * ReportErrorMessage2("Exec of %s failed\n", path, JNI_TRUE);
|
|
|
1098 * exit(1);
|
|
|
1099 *
|
|
|
1100 * The incorrect exec semantics could be addressed by:
|
|
|
1101 *
|
|
|
1102 * exit((int)spawnv(_P_WAIT, path, argv));
|
|
|
1103 *
|
|
|
1104 * Unfortunately, a bug in Windows spawn/exec impementation prevents
|
|
|
1105 * this from completely working. All the Windows POSIX process creation
|
|
|
1106 * interfaces are implemented as wrappers around the native Windows
|
|
|
1107 * function CreateProcess(). CreateProcess() takes a single string
|
|
|
1108 * to specify command line options and arguments, so the POSIX routine
|
|
|
1109 * wrappers build a single string from the argv[] array and in the
|
|
|
1110 * process, any quoting information is lost.
|
|
|
1111 *
|
|
|
1112 * The solution to this to get the original command line, to process it
|
|
|
1113 * to remove the new multiple JRE options (if any) as was done for argv
|
|
|
1114 * in the common SelectVersion() routine and finally to pass it directly
|
|
|
1115 * to the native CreateProcess() Windows process control interface.
|
|
|
1116 */
|
|
|
1117 {
|
|
|
1118 char *cmdline;
|
|
|
1119 char *p;
|
|
|
1120 char *np;
|
|
|
1121 char *ocl;
|
|
|
1122 char *ccl;
|
|
|
1123 char *unquoted;
|
|
|
1124 DWORD exitCode;
|
|
|
1125 STARTUPINFO si;
|
|
|
1126 PROCESS_INFORMATION pi;
|
|
|
1127
|
|
|
1128 /*
|
|
|
1129 * The following code block gets and processes the original command
|
|
|
1130 * line, replacing the argv[0] equivalent in the command line with
|
|
|
1131 * the path to the new executable and removing the appropriate
|
|
|
1132 * Multiple JRE support options. Note that similar logic exists
|
|
|
1133 * in the platform independent SelectVersion routine, but is
|
|
|
1134 * replicated here due to the syntax of CreateProcess().
|
|
|
1135 *
|
|
|
1136 * The magic "+ 4" characters added to the command line length are
|
|
|
1137 * 2 possible quotes around the path (argv[0]), a space after the
|
|
|
1138 * path and a terminating null character.
|
|
|
1139 */
|
|
|
1140 ocl = GetCommandLine();
|
|
|
1141 np = ccl = JLI_StringDup(ocl);
|
|
|
1142 p = nextarg(&np); /* Discard argv[0] */
|
|
|
1143 cmdline = (char *)JLI_MemAlloc(strlen(path) + strlen(np) + 4);
|
|
|
1144 if (strchr(path, (int)' ') == NULL && strchr(path, (int)'\t') == NULL)
|
|
|
1145 cmdline = strcpy(cmdline, path);
|
|
|
1146 else
|
|
|
1147 cmdline = strcat(strcat(strcpy(cmdline, "\""), path), "\"");
|
|
|
1148
|
|
|
1149 while (*np != (char)0) { /* While more command-line */
|
|
|
1150 p = nextarg(&np);
|
|
|
1151 if (*p != (char)0) { /* If a token was isolated */
|
|
|
1152 unquoted = unquote(p);
|
|
|
1153 if (*unquoted == '-') { /* Looks like an option */
|
|
|
1154 if (strcmp(unquoted, "-classpath") == 0 ||
|
|
|
1155 strcmp(unquoted, "-cp") == 0) { /* Unique cp syntax */
|
|
|
1156 cmdline = strcat(strcat(cmdline, " "), p);
|
|
|
1157 p = nextarg(&np);
|
|
|
1158 if (*p != (char)0) /* If a token was isolated */
|
|
|
1159 cmdline = strcat(strcat(cmdline, " "), p);
|
|
|
1160 } else if (strncmp(unquoted, "-version:", 9) != 0 &&
|
|
|
1161 strcmp(unquoted, "-jre-restrict-search") != 0 &&
|
|
|
1162 strcmp(unquoted, "-no-jre-restrict-search") != 0) {
|
|
|
1163 cmdline = strcat(strcat(cmdline, " "), p);
|
|
|
1164 }
|
|
|
1165 } else { /* End of options */
|
|
|
1166 cmdline = strcat(strcat(cmdline, " "), p);
|
|
|
1167 cmdline = strcat(strcat(cmdline, " "), np);
|
|
|
1168 JLI_MemFree((void *)unquoted);
|
|
|
1169 break;
|
|
|
1170 }
|
|
|
1171 JLI_MemFree((void *)unquoted);
|
|
|
1172 }
|
|
|
1173 }
|
|
|
1174 JLI_MemFree((void *)ccl);
|
|
|
1175
|
|
|
1176 if (_launcher_debug) {
|
|
|
1177 np = ccl = JLI_StringDup(cmdline);
|
|
|
1178 p = nextarg(&np);
|
|
|
1179 printf("ReExec Command: %s (%s)\n", path, p);
|
|
|
1180 printf("ReExec Args: %s\n", np);
|
|
|
1181 JLI_MemFree((void *)ccl);
|
|
|
1182 }
|
|
|
1183 (void)fflush(stdout);
|
|
|
1184 (void)fflush(stderr);
|
|
|
1185
|
|
|
1186 /*
|
|
|
1187 * The following code is modeled after a model presented in the
|
|
|
1188 * Microsoft Technical Article "Moving Unix Applications to
|
|
|
1189 * Windows NT" (March 6, 1994) and "Creating Processes" on MSDN
|
|
|
1190 * (Februrary 2005). It approximates UNIX spawn semantics with
|
|
|
1191 * the parent waiting for termination of the child.
|
|
|
1192 */
|
|
|
1193 memset(&si, 0, sizeof(si));
|
|
|
1194 si.cb =sizeof(STARTUPINFO);
|
|
|
1195 memset(&pi, 0, sizeof(pi));
|
|
|
1196
|
|
|
1197 if (!CreateProcess((LPCTSTR)path, /* executable name */
|
|
|
1198 (LPTSTR)cmdline, /* command line */
|
|
|
1199 (LPSECURITY_ATTRIBUTES)NULL, /* process security attr. */
|
|
|
1200 (LPSECURITY_ATTRIBUTES)NULL, /* thread security attr. */
|
|
|
1201 (BOOL)TRUE, /* inherits system handles */
|
|
|
1202 (DWORD)0, /* creation flags */
|
|
|
1203 (LPVOID)NULL, /* environment block */
|
|
|
1204 (LPCTSTR)NULL, /* current directory */
|
|
|
1205 (LPSTARTUPINFO)&si, /* (in) startup information */
|
|
|
1206 (LPPROCESS_INFORMATION)&pi)) { /* (out) process information */
|
|
|
1207 ReportSysErrorMessage2("CreateProcess(%s, ...) failed: %s",
|
|
|
1208 path, JNI_TRUE);
|
|
|
1209 exit(1);
|
|
|
1210 }
|
|
|
1211
|
|
|
1212 if (WaitForSingleObject(pi.hProcess, INFINITE) != WAIT_FAILED) {
|
|
|
1213 if (GetExitCodeProcess(pi.hProcess, &exitCode) == FALSE)
|
|
|
1214 exitCode = 1;
|
|
|
1215 } else {
|
|
|
1216 ReportErrorMessage("WaitForSingleObject() failed.", JNI_TRUE);
|
|
|
1217 exitCode = 1;
|
|
|
1218 }
|
|
|
1219
|
|
|
1220 CloseHandle(pi.hThread);
|
|
|
1221 CloseHandle(pi.hProcess);
|
|
|
1222
|
|
|
1223 exit(exitCode);
|
|
|
1224 }
|
|
|
1225
|
|
|
1226 }
|
|
|
1227
|
|
|
1228 #endif /* ifndef GAMMA */
|
|
|
1229
|
|
|
1230
|
|
|
1231 /*
|
|
|
1232 * Wrapper for platform dependent unsetenv function.
|
|
|
1233 */
|
|
|
1234 int
|
|
|
1235 UnsetEnv(char *name)
|
|
|
1236 {
|
|
|
1237 int ret;
|
|
|
1238 char *buf = JLI_MemAlloc(strlen(name) + 2);
|
|
|
1239 buf = strcat(strcpy(buf, name), "=");
|
|
|
1240 ret = _putenv(buf);
|
|
|
1241 JLI_MemFree(buf);
|
|
|
1242 return (ret);
|
|
|
1243 }
|
|
|
1244
|
|
|
1245 /* --- Splash Screen shared library support --- */
|
|
|
1246
|
|
|
1247 static const char* SPLASHSCREEN_SO = "\\bin\\splashscreen.dll";
|
|
|
1248
|
|
|
1249 static HMODULE hSplashLib = NULL;
|
|
|
1250
|
|
|
1251 void* SplashProcAddress(const char* name) {
|
|
|
1252 char libraryPath[MAXPATHLEN]; /* some extra space for strcat'ing SPLASHSCREEN_SO */
|
|
|
1253
|
|
|
1254 if (!GetJREPath(libraryPath, MAXPATHLEN)) {
|
|
|
1255 return NULL;
|
|
|
1256 }
|
|
|
1257 if (strlen(libraryPath)+strlen(SPLASHSCREEN_SO) >= MAXPATHLEN) {
|
|
|
1258 return NULL;
|
|
|
1259 }
|
|
|
1260 strcat(libraryPath, SPLASHSCREEN_SO);
|
|
|
1261
|
|
|
1262 if (!hSplashLib) {
|
|
|
1263 hSplashLib = LoadLibrary(libraryPath);
|
|
|
1264 }
|
|
|
1265 if (hSplashLib) {
|
|
|
1266 return GetProcAddress(hSplashLib, name);
|
|
|
1267 } else {
|
|
|
1268 return NULL;
|
|
|
1269 }
|
|
|
1270 }
|
|
|
1271
|
|
|
1272 void SplashFreeLibrary() {
|
|
|
1273 if (hSplashLib) {
|
|
|
1274 FreeLibrary(hSplashLib);
|
|
|
1275 hSplashLib = NULL;
|
|
|
1276 }
|
|
|
1277 }
|
|
|
1278
|
|
|
1279 const char *
|
|
|
1280 jlong_format_specifier() {
|
|
|
1281 return "%I64d";
|
|
|
1282 }
|
|
|
1283
|
|
|
1284 /*
|
|
|
1285 * Block current thread and continue execution in a new thread
|
|
|
1286 */
|
|
|
1287 int
|
|
|
1288 ContinueInNewThread(int (JNICALL *continuation)(void *), jlong stack_size, void * args) {
|
|
|
1289 int rslt = 0;
|
|
|
1290 unsigned thread_id;
|
|
|
1291
|
|
|
1292 #ifndef STACK_SIZE_PARAM_IS_A_RESERVATION
|
|
|
1293 #define STACK_SIZE_PARAM_IS_A_RESERVATION (0x10000)
|
|
|
1294 #endif
|
|
|
1295
|
|
|
1296 /*
|
|
|
1297 * STACK_SIZE_PARAM_IS_A_RESERVATION is what we want, but it's not
|
|
|
1298 * supported on older version of Windows. Try first with the flag; and
|
|
|
1299 * if that fails try again without the flag. See MSDN document or HotSpot
|
|
|
1300 * source (os_win32.cpp) for details.
|
|
|
1301 */
|
|
|
1302 HANDLE thread_handle =
|
|
|
1303 (HANDLE)_beginthreadex(NULL,
|
|
|
1304 (unsigned)stack_size,
|
|
|
1305 continuation,
|
|
|
1306 args,
|
|
|
1307 STACK_SIZE_PARAM_IS_A_RESERVATION,
|
|
|
1308 &thread_id);
|
|
|
1309 if (thread_handle == NULL) {
|
|
|
1310 thread_handle =
|
|
|
1311 (HANDLE)_beginthreadex(NULL,
|
|
|
1312 (unsigned)stack_size,
|
|
|
1313 continuation,
|
|
|
1314 args,
|
|
|
1315 0,
|
|
|
1316 &thread_id);
|
|
|
1317 }
|
|
|
1318
|
|
|
1319 /* AWT preloading (AFTER main thread start) */
|
|
|
1320 #ifdef ENABLE_AWT_PRELOAD
|
|
|
1321 /* D3D preloading */
|
|
|
1322 if (awtPreloadD3D != 0) {
|
|
|
1323 char *envValue;
|
|
|
1324 /* D3D routines checks env.var J2D_D3D if no appropriate
|
|
|
1325 * command line params was specified
|
|
|
1326 */
|
|
|
1327 envValue = getenv("J2D_D3D");
|
|
|
1328 if (envValue != NULL && stricmp(envValue, "false") == 0) {
|
|
|
1329 awtPreloadD3D = 0;
|
|
|
1330 }
|
|
|
1331 /* Test that AWT preloading isn't disabled by J2D_D3D_PRELOAD env.var */
|
|
|
1332 envValue = getenv("J2D_D3D_PRELOAD");
|
|
|
1333 if (envValue != NULL && stricmp(envValue, "false") == 0) {
|
|
|
1334 awtPreloadD3D = 0;
|
|
|
1335 }
|
|
|
1336 if (awtPreloadD3D < 0) {
|
|
|
1337 /* If awtPreloadD3D is still undefined (-1), test
|
|
|
1338 * if it is turned on by J2D_D3D_PRELOAD env.var.
|
|
|
1339 * By default it's turned OFF.
|
|
|
1340 */
|
|
|
1341 awtPreloadD3D = 0;
|
|
|
1342 if (envValue != NULL && stricmp(envValue, "true") == 0) {
|
|
|
1343 awtPreloadD3D = 1;
|
|
|
1344 }
|
|
|
1345 }
|
|
|
1346 }
|
|
|
1347 if (awtPreloadD3D) {
|
|
|
1348 AWTPreload(D3D_PRELOAD_FUNC);
|
|
|
1349 }
|
|
|
1350 #endif /* ENABLE_AWT_PRELOAD */
|
|
|
1351
|
|
|
1352 if (thread_handle) {
|
|
|
1353 WaitForSingleObject(thread_handle, INFINITE);
|
|
|
1354 GetExitCodeThread(thread_handle, &rslt);
|
|
|
1355 CloseHandle(thread_handle);
|
|
|
1356 } else {
|
|
|
1357 rslt = continuation(args);
|
|
|
1358 }
|
|
|
1359
|
|
|
1360 #ifdef ENABLE_AWT_PRELOAD
|
|
|
1361 if (awtPreloaded) {
|
|
|
1362 AWTPreloadStop();
|
|
|
1363 }
|
|
|
1364 #endif /* ENABLE_AWT_PRELOAD */
|
|
|
1365
|
|
|
1366 return rslt;
|
|
|
1367 }
|
|
|
1368
|
|
|
1369 /* Linux only, empty on windows. */
|
|
|
1370 void SetJavaLauncherPlatformProps() {}
|
|
|
1371
|
|
|
1372
|
|
|
1373 //==============================
|
|
|
1374 // AWT preloading
|
|
|
1375 #ifdef ENABLE_AWT_PRELOAD
|
|
|
1376
|
|
|
1377 typedef int FnPreloadStart(void);
|
|
|
1378 typedef void FnPreloadStop(void);
|
|
|
1379 static FnPreloadStop *fnPreloadStop = NULL;
|
|
|
1380 static HMODULE hPreloadAwt = NULL;
|
|
|
1381
|
|
|
1382 /*
|
|
|
1383 * Starts AWT preloading
|
|
|
1384 */
|
|
|
1385 int AWTPreload(const char *funcName)
|
|
|
1386 {
|
|
|
1387 int result = -1;
|
|
|
1388
|
|
|
1389 // load AWT library once (if several preload function should be called)
|
|
|
1390 if (hPreloadAwt == NULL) {
|
|
|
1391 // awt.dll is not loaded yet
|
|
|
1392 char libraryPath[MAXPATHLEN];
|
|
|
1393 int jrePathLen = 0;
|
|
|
1394 HMODULE hJava = NULL;
|
|
|
1395 HMODULE hVerify = NULL;
|
|
|
1396
|
|
|
1397 while (1) {
|
|
|
1398 // awt.dll depends on jvm.dll & java.dll;
|
|
|
1399 // jvm.dll is already loaded, so we need only java.dll;
|
|
|
1400 // java.dll depends on MSVCRT lib & verify.dll.
|
|
|
1401 if (!GetJREPath(libraryPath, MAXPATHLEN)) {
|
|
|
1402 break;
|
|
|
1403 }
|
|
|
1404
|
|
|
1405 // save path length
|
|
|
1406 jrePathLen = strlen(libraryPath);
|
|
|
1407
|
|
|
1408 // load msvcrt 1st
|
|
|
1409 LoadMSVCRT();
|
|
|
1410
|
|
|
1411 // load verify.dll
|
|
|
1412 strcat(libraryPath, "\\bin\\verify.dll");
|
|
|
1413 hVerify = LoadLibrary(libraryPath);
|
|
|
1414 if (hVerify == NULL) {
|
|
|
1415 break;
|
|
|
1416 }
|
|
|
1417
|
|
|
1418 // restore jrePath
|
|
|
1419 libraryPath[jrePathLen] = 0;
|
|
|
1420 // load java.dll
|
|
|
1421 strcat(libraryPath, "\\bin\\" JAVA_DLL);
|
|
|
1422 hJava = LoadLibrary(libraryPath);
|
|
|
1423 if (hJava == NULL) {
|
|
|
1424 break;
|
|
|
1425 }
|
|
|
1426
|
|
|
1427 // restore jrePath
|
|
|
1428 libraryPath[jrePathLen] = 0;
|
|
|
1429 // load awt.dll
|
|
|
1430 strcat(libraryPath, "\\bin\\awt.dll");
|
|
|
1431 hPreloadAwt = LoadLibrary(libraryPath);
|
|
|
1432 if (hPreloadAwt == NULL) {
|
|
|
1433 break;
|
|
|
1434 }
|
|
|
1435
|
|
|
1436 // get "preloadStop" func ptr
|
|
|
1437 fnPreloadStop = (FnPreloadStop *)GetProcAddress(hPreloadAwt, "preloadStop");
|
|
|
1438
|
|
|
1439 break;
|
|
|
1440 }
|
|
|
1441 }
|
|
|
1442
|
|
|
1443 if (hPreloadAwt != NULL) {
|
|
|
1444 FnPreloadStart *fnInit = (FnPreloadStart *)GetProcAddress(hPreloadAwt, funcName);
|
|
|
1445 if (fnInit != NULL) {
|
|
|
1446 // don't forget to stop preloading
|
|
|
1447 awtPreloaded = 1;
|
|
|
1448
|
|
|
1449 result = fnInit();
|
|
|
1450 }
|
|
|
1451 }
|
|
|
1452
|
|
|
1453 return result;
|
|
|
1454 }
|
|
|
1455
|
|
|
1456 /*
|
|
|
1457 * Terminates AWT preloading
|
|
|
1458 */
|
|
|
1459 void AWTPreloadStop() {
|
|
|
1460 if (fnPreloadStop != NULL) {
|
|
|
1461 fnPreloadStop();
|
|
|
1462 }
|
|
|
1463 }
|
|
|
1464
|
|
|
1465 #endif /* ENABLE_AWT_PRELOAD */
|
