Mercurial > hg > truffle
annotate src/os/windows/launcher/java_md.c @ 2657:4a6518c4d17d
Removed need for base instruction. Cleanup.
author | Thomas Wuerthinger <thomas@wuerthinger.net> |
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date | Wed, 11 May 2011 16:10:49 +0200 |
parents | aa6e219afbf1 |
children | 203f64878aab |
rev | line source |
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1985 | 1 /* |
2 * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved. | |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
20 * or visit www.oracle.com if you need additional information or have any | |
21 * questions. | |
22 * | |
23 */ | |
24 | |
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25 #include <ctype.h> |
1985 | 26 #include <windows.h> |
27 #include <io.h> | |
28 #include <process.h> | |
29 #include <stdlib.h> | |
30 #include <stdio.h> | |
31 #include <string.h> | |
32 #include <sys/types.h> | |
33 #include <sys/stat.h> | |
34 | |
35 #include <jni.h> | |
36 #include "java.h" | |
37 #ifndef GAMMA | |
38 #include "version_comp.h" | |
39 #endif | |
40 | |
41 #define JVM_DLL "jvm.dll" | |
42 #define JAVA_DLL "java.dll" | |
43 #define CRT_DLL "msvcr71.dll" | |
44 | |
45 /* | |
46 * Prototypes. | |
47 */ | |
48 static jboolean GetPublicJREHome(char *path, jint pathsize); | |
49 static jboolean GetJVMPath(const char *jrepath, const char *jvmtype, | |
50 char *jvmpath, jint jvmpathsize); | |
51 static jboolean GetJREPath(char *path, jint pathsize); | |
52 static void EnsureJreInstallation(const char *jrepath); | |
53 | |
54 /* We supports warmup for UI stack that is performed in parallel | |
55 * to VM initialization. | |
56 * This helps to improve startup of UI application as warmup phase | |
57 * might be long due to initialization of OS or hardware resources. | |
58 * It is not CPU bound and therefore it does not interfere with VM init. | |
59 * Obviously such warmup only has sense for UI apps and therefore it needs | |
60 * to be explicitly requested by passing -Dsun.awt.warmup=true property | |
61 * (this is always the case for plugin/javaws). | |
62 * | |
63 * Implementation launches new thread after VM starts and use it to perform | |
64 * warmup code (platform dependent). | |
65 * This thread is later reused as AWT toolkit thread as graphics toolkit | |
66 * often assume that they are used from the same thread they were launched on. | |
67 * | |
68 * At the moment we only support warmup for D3D. It only possible on windows | |
69 * and only if other flags do not prohibit this (e.g. OpenGL support requested). | |
70 */ | |
71 #undef ENABLE_AWT_PRELOAD | |
72 #ifndef JAVA_ARGS /* turn off AWT preloading for javac, jar, etc */ | |
73 #ifdef _X86_ /* for now disable AWT preloading for 64bit */ | |
74 #define ENABLE_AWT_PRELOAD | |
75 #endif | |
76 #endif | |
77 | |
78 #ifdef ENABLE_AWT_PRELOAD | |
79 /* "AWT was preloaded" flag; | |
80 * Turned on by AWTPreload(). | |
81 */ | |
82 int awtPreloaded = 0; | |
83 | |
84 /* Calls a function with the name specified. | |
85 * The function must be int(*fn)(void). | |
86 */ | |
87 int AWTPreload(const char *funcName); | |
88 /* Stops AWT preloading. */ | |
89 void AWTPreloadStop(); | |
90 | |
91 /* D3D preloading */ | |
92 /* -1: not initialized; 0: OFF, 1: ON */ | |
93 int awtPreloadD3D = -1; | |
94 /* Command line parameter to swith D3D preloading on. */ | |
95 #define PARAM_PRELOAD_D3D "-Dsun.awt.warmup" | |
96 /* D3D/OpenGL management parameters (may disable D3D preloading) */ | |
97 #define PARAM_NODDRAW "-Dsun.java2d.noddraw" | |
98 #define PARAM_D3D "-Dsun.java2d.d3d" | |
99 #define PARAM_OPENGL "-Dsun.java2d.opengl" | |
100 /* funtion in awt.dll (src/windows/native/sun/java2d/d3d/D3DPipelineManager.cpp) */ | |
101 #define D3D_PRELOAD_FUNC "preloadD3D" | |
102 | |
103 | |
104 /* Extracts value of a parameter with the specified name | |
105 * from command line argument (returns pointer in the argument). | |
106 * Returns NULL if the argument does not contains the parameter. | |
107 * e.g.: | |
108 * GetParamValue("theParam", "theParam=value") returns pointer to "value". | |
109 */ | |
110 const char * GetParamValue(const char *paramName, const char *arg) { | |
111 int nameLen = strlen(paramName); | |
112 if (strncmp(paramName, arg, nameLen) == 0) { | |
113 // arg[nameLen] is valid (may contain final NULL) | |
114 if (arg[nameLen] == '=') { | |
115 return arg + nameLen + 1; | |
116 } | |
117 } | |
118 return NULL; | |
119 } | |
120 | |
121 /* Checks if commandline argument contains property specified | |
122 * and analyze it as boolean property (true/false). | |
123 * Returns -1 if the argument does not contain the parameter; | |
124 * Returns 1 if the argument contains the parameter and its value is "true"; | |
125 * Returns 0 if the argument contains the parameter and its value is "false". | |
126 */ | |
127 int GetBoolParamValue(const char *paramName, const char *arg) { | |
128 const char * paramValue = GetParamValue(paramName, arg); | |
129 if (paramValue != NULL) { | |
130 if (stricmp(paramValue, "true") == 0) { | |
131 return 1; | |
132 } | |
133 if (stricmp(paramValue, "false") == 0) { | |
134 return 0; | |
135 } | |
136 } | |
137 return -1; | |
138 } | |
139 #endif /* ENABLE_AWT_PRELOAD */ | |
140 | |
141 | |
142 const char * | |
143 GetArch() | |
144 { | |
145 | |
146 #ifdef _M_AMD64 | |
147 return "amd64"; | |
148 #elif defined(_M_IA64) | |
149 return "ia64"; | |
150 #else | |
151 return "i386"; | |
152 #endif | |
153 } | |
154 | |
155 /* | |
156 * | |
157 */ | |
158 void | |
159 CreateExecutionEnvironment(int *_argc, | |
160 char ***_argv, | |
161 char jrepath[], | |
162 jint so_jrepath, | |
163 char jvmpath[], | |
164 jint so_jvmpath, | |
165 char **original_argv) { | |
166 #ifndef GAMMA | |
167 char * jvmtype; | |
168 | |
169 /* Find out where the JRE is that we will be using. */ | |
170 if (!GetJREPath(jrepath, so_jrepath)) { | |
171 ReportErrorMessage("Error: could not find Java SE Runtime Environment.", | |
172 JNI_TRUE); | |
173 exit(2); | |
174 } | |
175 | |
176 /* Do this before we read jvm.cfg */ | |
177 EnsureJreInstallation(jrepath); | |
178 | |
179 /* Find the specified JVM type */ | |
180 if (ReadKnownVMs(jrepath, (char*)GetArch(), JNI_FALSE) < 1) { | |
181 ReportErrorMessage("Error: no known VMs. (check for corrupt jvm.cfg file)", | |
182 JNI_TRUE); | |
183 exit(1); | |
184 } | |
185 jvmtype = CheckJvmType(_argc, _argv, JNI_FALSE); | |
186 | |
187 jvmpath[0] = '\0'; | |
188 if (!GetJVMPath(jrepath, jvmtype, jvmpath, so_jvmpath)) { | |
189 char * message=NULL; | |
190 const char * format = "Error: no `%s' JVM at `%s'."; | |
191 message = (char *)JLI_MemAlloc((strlen(format)+strlen(jvmtype)+ | |
192 strlen(jvmpath)) * sizeof(char)); | |
193 sprintf(message,format, jvmtype, jvmpath); | |
194 ReportErrorMessage(message, JNI_TRUE); | |
195 exit(4); | |
196 } | |
197 /* If we got here, jvmpath has been correctly initialized. */ | |
198 | |
199 #else /* ifndef GAMMA */ | |
200 | |
201 /* | |
202 * gamma launcher is simpler in that it doesn't handle VM flavors, data | |
203 * model, etc. Assuming everything is set-up correctly | |
204 * all we need to do here is to return correct path names. See also | |
205 * GetJVMPath() and GetApplicationHome(). | |
206 */ | |
207 | |
208 { | |
209 if (!GetJREPath(jrepath, so_jrepath) ) { | |
210 ReportErrorMessage("Error: could not find Java SE Runtime Environment.", | |
211 JNI_TRUE); | |
212 exit(2); | |
213 } | |
214 | |
215 if (!GetJVMPath(jrepath, NULL, jvmpath, so_jvmpath)) { | |
216 char * message=NULL; | |
217 const char * format = "Error: no JVM at `%s'."; | |
218 message = (char *)JLI_MemAlloc((strlen(format)+ | |
219 strlen(jvmpath)) * sizeof(char)); | |
220 sprintf(message, format, jvmpath); | |
221 ReportErrorMessage(message, JNI_TRUE); | |
222 exit(4); | |
223 } | |
224 } | |
225 | |
226 #endif /* ifndef GAMMA */ | |
227 | |
228 } | |
229 | |
230 | |
231 static jboolean | |
232 LoadMSVCRT() | |
233 { | |
234 // Only do this once | |
235 static int loaded = 0; | |
236 char crtpath[MAXPATHLEN]; | |
237 | |
238 if (!loaded) { | |
239 /* | |
240 * The Microsoft C Runtime Library needs to be loaded first. A copy is | |
241 * assumed to be present in the "JRE path" directory. If it is not found | |
242 * there (or "JRE path" fails to resolve), skip the explicit load and let | |
243 * nature take its course, which is likely to be a failure to execute. | |
244 */ | |
245 if (GetJREPath(crtpath, MAXPATHLEN)) { | |
246 (void)strcat(crtpath, "\\bin\\" CRT_DLL); /* Add crt dll */ | |
247 if (_launcher_debug) { | |
248 printf("CRT path is %s\n", crtpath); | |
249 } | |
250 if (_access(crtpath, 0) == 0) { | |
251 if (LoadLibrary(crtpath) == 0) { | |
252 ReportErrorMessage2("Error loading: %s", crtpath, JNI_TRUE); | |
253 return JNI_FALSE; | |
254 } | |
255 } | |
256 } | |
257 loaded = 1; | |
258 } | |
259 return JNI_TRUE; | |
260 } | |
261 | |
262 /* | |
263 * The preJVMStart is a function in the jkernel.dll, which | |
264 * performs the final step of synthesizing back the decomposed | |
265 * modules (partial install) to the full JRE. Any tool which | |
266 * uses the JRE must peform this step to ensure the complete synthesis. | |
267 * The EnsureJreInstallation function calls preJVMStart based on | |
268 * the conditions outlined below, noting that the operation | |
269 * will fail silently if any of conditions are not met. | |
270 * NOTE: this call must be made before jvm.dll is loaded, or jvm.cfg | |
271 * is read, since jvm.cfg will be modified by the preJVMStart. | |
272 * 1. Are we on a supported platform. | |
273 * 2. Find the location of the JRE or the Kernel JRE. | |
274 * 3. check existence of JREHOME/lib/bundles | |
275 * 4. check jkernel.dll and invoke the entry-point | |
276 */ | |
277 typedef VOID (WINAPI *PREJVMSTART)(); | |
278 | |
279 static void | |
280 EnsureJreInstallation(const char* jrepath) | |
281 { | |
282 HINSTANCE handle; | |
283 char tmpbuf[MAXPATHLEN]; | |
284 PREJVMSTART PreJVMStart; | |
285 struct stat s; | |
286 | |
287 /* 32 bit windows only please */ | |
288 if (strcmp(GetArch(), "i386") != 0 ) { | |
289 if (_launcher_debug) { | |
290 printf("EnsureJreInstallation:unsupported platform\n"); | |
291 } | |
292 return; | |
293 } | |
294 /* Does our bundle directory exist ? */ | |
295 strcpy(tmpbuf, jrepath); | |
296 strcat(tmpbuf, "\\lib\\bundles"); | |
297 if (stat(tmpbuf, &s) != 0) { | |
298 if (_launcher_debug) { | |
299 printf("EnsureJreInstallation:<%s>:not found\n", tmpbuf); | |
300 } | |
301 return; | |
302 } | |
303 /* Does our jkernel dll exist ? */ | |
304 strcpy(tmpbuf, jrepath); | |
305 strcat(tmpbuf, "\\bin\\jkernel.dll"); | |
306 if (stat(tmpbuf, &s) != 0) { | |
307 if (_launcher_debug) { | |
308 printf("EnsureJreInstallation:<%s>:not found\n", tmpbuf); | |
309 } | |
310 return; | |
311 } | |
312 /* The Microsoft C Runtime Library needs to be loaded first. */ | |
313 if (!LoadMSVCRT()) { | |
314 if (_launcher_debug) { | |
315 printf("EnsureJreInstallation:could not load C runtime DLL\n"); | |
316 } | |
317 return; | |
318 } | |
319 /* Load the jkernel.dll */ | |
320 if ((handle = LoadLibrary(tmpbuf)) == 0) { | |
321 if (_launcher_debug) { | |
322 printf("EnsureJreInstallation:%s:load failed\n", tmpbuf); | |
323 } | |
324 return; | |
325 } | |
326 /* Get the function address */ | |
327 PreJVMStart = (PREJVMSTART)GetProcAddress(handle, "preJVMStart"); | |
328 if (PreJVMStart == NULL) { | |
329 if (_launcher_debug) { | |
330 printf("EnsureJreInstallation:preJVMStart:function lookup failed\n"); | |
331 } | |
332 FreeLibrary(handle); | |
333 return; | |
334 } | |
335 PreJVMStart(); | |
336 if (_launcher_debug) { | |
337 printf("EnsureJreInstallation:preJVMStart:called\n"); | |
338 } | |
339 FreeLibrary(handle); | |
340 return; | |
341 } | |
342 | |
343 /* | |
344 * Find path to JRE based on .exe's location or registry settings. | |
345 */ | |
346 jboolean | |
347 GetJREPath(char *path, jint pathsize) | |
348 { | |
349 char javadll[MAXPATHLEN]; | |
350 struct stat s; | |
351 | |
352 if (GetApplicationHome(path, pathsize)) { | |
353 /* Is JRE co-located with the application? */ | |
354 sprintf(javadll, "%s\\bin\\" JAVA_DLL, path); | |
355 if (stat(javadll, &s) == 0) { | |
356 goto found; | |
357 } | |
358 | |
359 /* Does this app ship a private JRE in <apphome>\jre directory? */ | |
360 sprintf(javadll, "%s\\jre\\bin\\" JAVA_DLL, path); | |
361 if (stat(javadll, &s) == 0) { | |
362 strcat(path, "\\jre"); | |
363 goto found; | |
364 } | |
365 } | |
366 | |
367 #ifndef GAMMA | |
368 /* Look for a public JRE on this machine. */ | |
369 if (GetPublicJREHome(path, pathsize)) { | |
370 goto found; | |
371 } | |
372 #endif | |
373 | |
374 fprintf(stderr, "Error: could not find " JAVA_DLL "\n"); | |
375 return JNI_FALSE; | |
376 | |
377 found: | |
378 if (_launcher_debug) | |
379 printf("JRE path is %s\n", path); | |
380 return JNI_TRUE; | |
381 } | |
382 | |
383 /* | |
384 * Given a JRE location and a JVM type, construct what the name the | |
385 * JVM shared library will be. Return true, if such a library | |
386 * exists, false otherwise. | |
387 */ | |
388 static jboolean | |
389 GetJVMPath(const char *jrepath, const char *jvmtype, | |
390 char *jvmpath, jint jvmpathsize) | |
391 { | |
392 struct stat s; | |
393 | |
394 #ifndef GAMMA | |
395 if (strchr(jvmtype, '/') || strchr(jvmtype, '\\')) { | |
396 sprintf(jvmpath, "%s\\" JVM_DLL, jvmtype); | |
397 } else { | |
398 sprintf(jvmpath, "%s\\bin\\%s\\" JVM_DLL, jrepath, jvmtype); | |
399 } | |
400 #else | |
401 /* | |
402 * For gamma launcher, JVM is either built-in or in the same directory. | |
403 * Either way we return "<exe_path>/jvm.dll" where <exe_path> is the | |
404 * directory where gamma launcher is located. | |
405 */ | |
406 | |
407 char *p; | |
408 GetModuleFileName(0, jvmpath, jvmpathsize); | |
409 | |
410 p = strrchr(jvmpath, '\\'); | |
411 if (p) { | |
412 /* replace executable name with libjvm.so */ | |
413 snprintf(p + 1, jvmpathsize - (p + 1 - jvmpath), "%s", JVM_DLL); | |
414 } else { | |
415 /* this case shouldn't happen */ | |
416 snprintf(jvmpath, jvmpathsize, "%s", JVM_DLL); | |
417 } | |
418 #endif /* ifndef GAMMA */ | |
419 | |
420 if (stat(jvmpath, &s) == 0) { | |
421 return JNI_TRUE; | |
422 } else { | |
423 return JNI_FALSE; | |
424 } | |
425 } | |
426 | |
427 /* | |
428 * Load a jvm from "jvmpath" and initialize the invocation functions. | |
429 */ | |
430 jboolean | |
431 LoadJavaVM(const char *jvmpath, InvocationFunctions *ifn) | |
432 { | |
433 #ifdef GAMMA | |
434 /* JVM is directly linked with gamma launcher; no Loadlibrary() */ | |
435 ifn->CreateJavaVM = JNI_CreateJavaVM; | |
436 ifn->GetDefaultJavaVMInitArgs = JNI_GetDefaultJavaVMInitArgs; | |
437 return JNI_TRUE; | |
438 #else | |
439 HINSTANCE handle; | |
440 | |
441 if (_launcher_debug) { | |
442 printf("JVM path is %s\n", jvmpath); | |
443 } | |
444 | |
445 /* The Microsoft C Runtime Library needs to be loaded first. */ | |
446 LoadMSVCRT(); | |
447 | |
448 /* Load the Java VM DLL */ | |
449 if ((handle = LoadLibrary(jvmpath)) == 0) { | |
450 ReportErrorMessage2("Error loading: %s", (char *)jvmpath, JNI_TRUE); | |
451 return JNI_FALSE; | |
452 } | |
453 | |
454 /* Now get the function addresses */ | |
455 ifn->CreateJavaVM = | |
456 (void *)GetProcAddress(handle, "JNI_CreateJavaVM"); | |
457 ifn->GetDefaultJavaVMInitArgs = | |
458 (void *)GetProcAddress(handle, "JNI_GetDefaultJavaVMInitArgs"); | |
459 if (ifn->CreateJavaVM == 0 || ifn->GetDefaultJavaVMInitArgs == 0) { | |
460 ReportErrorMessage2("Error: can't find JNI interfaces in: %s", | |
461 (char *)jvmpath, JNI_TRUE); | |
462 return JNI_FALSE; | |
463 } | |
464 | |
465 return JNI_TRUE; | |
466 #endif /* ifndef GAMMA */ | |
467 } | |
468 | |
469 /* | |
470 * If app is "c:\foo\bin\javac", then put "c:\foo" into buf. | |
471 */ | |
472 jboolean | |
473 GetApplicationHome(char *buf, jint bufsize) | |
474 { | |
475 #ifndef GAMMA | |
476 char *cp; | |
477 GetModuleFileName(0, buf, bufsize); | |
478 *strrchr(buf, '\\') = '\0'; /* remove .exe file name */ | |
479 if ((cp = strrchr(buf, '\\')) == 0) { | |
480 /* This happens if the application is in a drive root, and | |
481 * there is no bin directory. */ | |
482 buf[0] = '\0'; | |
483 return JNI_FALSE; | |
484 } | |
485 *cp = '\0'; /* remove the bin\ part */ | |
486 return JNI_TRUE; | |
487 | |
488 #else /* ifndef GAMMA */ | |
489 | |
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490 char env[MAXPATHLEN + 1]; |
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491 |
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492 /* gamma launcher uses ALT_JAVA_HOME environment variable or jdkpath.txt file to find JDK/JRE */ |
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493 |
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494 if (getenv("ALT_JAVA_HOME") != NULL) { |
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495 snprintf(buf, bufsize, "%s", getenv("ALT_JAVA_HOME")); |
1985 | 496 } |
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497 else { |
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498 char path[MAXPATHLEN + 1]; |
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499 char* p; |
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500 int len; |
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501 FILE* fp; |
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502 |
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503 // find the path to the currect executable |
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504 len = GetModuleFileName(NULL, path, MAXPATHLEN + 1); |
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505 if (len == 0 || len > MAXPATHLEN) { |
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506 printf("Could not get directory of current executable."); |
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507 return JNI_FALSE; |
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508 } |
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509 // remove last path component ("hotspot.exe") |
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510 p = strrchr(path, '\\'); |
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511 if (p == NULL) { |
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512 printf("Could not parse directory of current executable.\n"); |
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513 return JNI_FALSE; |
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514 } |
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515 *p = '\0'; |
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516 |
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517 // open jdkpath.txt and read JAVA_HOME from it |
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518 if (strlen(path) + strlen("\\jdkpath.txt") + 1 >= MAXPATHLEN) { |
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519 printf("Path too long: %s\n", path); |
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520 return JNI_FALSE; |
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521 } |
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522 strcat(path, "\\jdkpath.txt"); |
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523 fp = fopen(path, "r"); |
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524 if (fp == NULL) { |
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525 printf("Could not open file %s to get path to JDK.\n", path); |
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526 return JNI_FALSE; |
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527 } |
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528 |
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529 if (fgets(buf, bufsize, fp) == NULL) { |
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530 printf("Could not read from file %s to get path to JDK.\n", path); |
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531 fclose(fp); |
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532 return JNI_FALSE; |
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533 } |
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534 // trim the buffer |
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535 p = buf + strlen(buf) - 1; |
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536 while(isspace(*p)) { |
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537 *p = '\0'; |
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538 p--; |
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539 } |
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540 fclose(fp); |
1985 | 541 } |
2027
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542 |
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543 _snprintf(env, MAXPATHLEN, "JAVA_HOME=%s", buf); |
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544 _putenv(env); |
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545 |
1985 | 546 return JNI_TRUE; |
547 #endif /* ifndef GAMMA */ | |
548 } | |
549 | |
550 #ifdef JAVAW | |
551 __declspec(dllimport) char **__initenv; | |
552 | |
553 int WINAPI | |
554 WinMain(HINSTANCE inst, HINSTANCE previnst, LPSTR cmdline, int cmdshow) | |
555 { | |
556 int ret; | |
557 | |
558 __initenv = _environ; | |
559 ret = main(__argc, __argv); | |
560 | |
561 return ret; | |
562 } | |
563 #endif | |
564 | |
565 #ifndef GAMMA | |
566 | |
567 /* | |
568 * Helpers to look in the registry for a public JRE. | |
569 */ | |
570 /* Same for 1.5.0, 1.5.1, 1.5.2 etc. */ | |
571 #define DOTRELEASE JDK_MAJOR_VERSION "." JDK_MINOR_VERSION | |
572 #define JRE_KEY "Software\\JavaSoft\\Java Runtime Environment" | |
573 | |
574 static jboolean | |
575 GetStringFromRegistry(HKEY key, const char *name, char *buf, jint bufsize) | |
576 { | |
577 DWORD type, size; | |
578 | |
579 if (RegQueryValueEx(key, name, 0, &type, 0, &size) == 0 | |
580 && type == REG_SZ | |
581 && (size < (unsigned int)bufsize)) { | |
582 if (RegQueryValueEx(key, name, 0, 0, buf, &size) == 0) { | |
583 return JNI_TRUE; | |
584 } | |
585 } | |
586 return JNI_FALSE; | |
587 } | |
588 | |
589 static jboolean | |
590 GetPublicJREHome(char *buf, jint bufsize) | |
591 { | |
592 HKEY key, subkey; | |
593 char version[MAXPATHLEN]; | |
594 | |
595 /* | |
596 * Note: There is a very similar implementation of the following | |
597 * registry reading code in the Windows java control panel (javacp.cpl). | |
598 * If there are bugs here, a similar bug probably exists there. Hence, | |
599 * changes here require inspection there. | |
600 */ | |
601 | |
602 /* Find the current version of the JRE */ | |
603 if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, JRE_KEY, 0, KEY_READ, &key) != 0) { | |
604 fprintf(stderr, "Error opening registry key '" JRE_KEY "'\n"); | |
605 return JNI_FALSE; | |
606 } | |
607 | |
608 if (!GetStringFromRegistry(key, "CurrentVersion", | |
609 version, sizeof(version))) { | |
610 fprintf(stderr, "Failed reading value of registry key:\n\t" | |
611 JRE_KEY "\\CurrentVersion\n"); | |
612 RegCloseKey(key); | |
613 return JNI_FALSE; | |
614 } | |
615 | |
616 if (strcmp(version, DOTRELEASE) != 0) { | |
617 fprintf(stderr, "Registry key '" JRE_KEY "\\CurrentVersion'\nhas " | |
618 "value '%s', but '" DOTRELEASE "' is required.\n", version); | |
619 RegCloseKey(key); | |
620 return JNI_FALSE; | |
621 } | |
622 | |
623 /* Find directory where the current version is installed. */ | |
624 if (RegOpenKeyEx(key, version, 0, KEY_READ, &subkey) != 0) { | |
625 fprintf(stderr, "Error opening registry key '" | |
626 JRE_KEY "\\%s'\n", version); | |
627 RegCloseKey(key); | |
628 return JNI_FALSE; | |
629 } | |
630 | |
631 if (!GetStringFromRegistry(subkey, "JavaHome", buf, bufsize)) { | |
632 fprintf(stderr, "Failed reading value of registry key:\n\t" | |
633 JRE_KEY "\\%s\\JavaHome\n", version); | |
634 RegCloseKey(key); | |
635 RegCloseKey(subkey); | |
636 return JNI_FALSE; | |
637 } | |
638 | |
639 if (_launcher_debug) { | |
640 char micro[MAXPATHLEN]; | |
641 if (!GetStringFromRegistry(subkey, "MicroVersion", micro, | |
642 sizeof(micro))) { | |
643 printf("Warning: Can't read MicroVersion\n"); | |
644 micro[0] = '\0'; | |
645 } | |
646 printf("Version major.minor.micro = %s.%s\n", version, micro); | |
647 } | |
648 | |
649 RegCloseKey(key); | |
650 RegCloseKey(subkey); | |
651 return JNI_TRUE; | |
652 } | |
653 | |
654 #endif /* ifndef GAMMA */ | |
655 | |
656 /* | |
657 * Support for doing cheap, accurate interval timing. | |
658 */ | |
659 static jboolean counterAvailable = JNI_FALSE; | |
660 static jboolean counterInitialized = JNI_FALSE; | |
661 static LARGE_INTEGER counterFrequency; | |
662 | |
663 jlong CounterGet() | |
664 { | |
665 LARGE_INTEGER count; | |
666 | |
667 if (!counterInitialized) { | |
668 counterAvailable = QueryPerformanceFrequency(&counterFrequency); | |
669 counterInitialized = JNI_TRUE; | |
670 } | |
671 if (!counterAvailable) { | |
672 return 0; | |
673 } | |
674 QueryPerformanceCounter(&count); | |
675 return (jlong)(count.QuadPart); | |
676 } | |
677 | |
678 jlong Counter2Micros(jlong counts) | |
679 { | |
680 if (!counterAvailable || !counterInitialized) { | |
681 return 0; | |
682 } | |
683 return (counts * 1000 * 1000)/counterFrequency.QuadPart; | |
684 } | |
685 | |
686 void ReportErrorMessage(char * message, jboolean always) { | |
687 #ifdef JAVAW | |
688 if (message != NULL) { | |
689 MessageBox(NULL, message, "Java Virtual Machine Launcher", | |
690 (MB_OK|MB_ICONSTOP|MB_APPLMODAL)); | |
691 } | |
692 #else | |
693 if (always) { | |
694 fprintf(stderr, "%s\n", message); | |
695 } | |
696 #endif | |
697 } | |
698 | |
699 void ReportErrorMessage2(char * format, char * string, jboolean always) { | |
700 /* | |
701 * The format argument must be a printf format string with one %s | |
702 * argument, which is passed the string argument. | |
703 */ | |
704 #ifdef JAVAW | |
705 size_t size; | |
706 char * message; | |
707 size = strlen(format) + strlen(string); | |
708 message = (char*)JLI_MemAlloc(size*sizeof(char)); | |
709 sprintf(message, (const char *)format, string); | |
710 | |
711 if (message != NULL) { | |
712 MessageBox(NULL, message, "Java Virtual Machine Launcher", | |
713 (MB_OK|MB_ICONSTOP|MB_APPLMODAL)); | |
714 JLI_MemFree(message); | |
715 } | |
716 #else | |
717 if (always) { | |
718 fprintf(stderr, (const char *)format, string); | |
719 fprintf(stderr, "\n"); | |
720 } | |
721 #endif | |
722 } | |
723 | |
724 /* | |
725 * As ReportErrorMessage2 (above) except the system message (if any) | |
726 * associated with this error is written to a second %s format specifier | |
727 * in the format argument. | |
728 */ | |
729 void ReportSysErrorMessage2(char * format, char * string, jboolean always) { | |
730 int save_errno = errno; | |
731 DWORD errval; | |
732 int freeit = 0; | |
733 char *errtext = NULL; | |
734 | |
735 if ((errval = GetLastError()) != 0) { /* Platform SDK / DOS Error */ | |
736 int n = FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM| | |
737 FORMAT_MESSAGE_IGNORE_INSERTS|FORMAT_MESSAGE_ALLOCATE_BUFFER, | |
738 NULL, errval, 0, (LPTSTR)&errtext, 0, NULL); | |
739 if (errtext == NULL || n == 0) { /* Paranoia check */ | |
740 errtext = ""; | |
741 n = 0; | |
742 } else { | |
743 freeit = 1; | |
744 if (n > 2) { /* Drop final CR, LF */ | |
745 if (errtext[n - 1] == '\n') n--; | |
746 if (errtext[n - 1] == '\r') n--; | |
747 errtext[n] = '\0'; | |
748 } | |
749 } | |
750 } else /* C runtime error that has no corresponding DOS error code */ | |
751 errtext = strerror(save_errno); | |
752 | |
753 #ifdef JAVAW | |
754 { | |
755 size_t size; | |
756 char * message; | |
757 size = strlen(format) + strlen(string) + strlen(errtext); | |
758 message = (char*)JLI_MemAlloc(size*sizeof(char)); | |
759 sprintf(message, (const char *)format, string, errtext); | |
760 | |
761 if (message != NULL) { | |
762 MessageBox(NULL, message, "Java Virtual Machine Launcher", | |
763 (MB_OK|MB_ICONSTOP|MB_APPLMODAL)); | |
764 JLI_MemFree(message); | |
765 } | |
766 } | |
767 #else | |
768 if (always) { | |
769 fprintf(stderr, (const char *)format, string, errtext); | |
770 fprintf(stderr, "\n"); | |
771 } | |
772 #endif | |
773 if (freeit) | |
774 (void)LocalFree((HLOCAL)errtext); | |
775 } | |
776 | |
777 void ReportExceptionDescription(JNIEnv * env) { | |
778 #ifdef JAVAW | |
779 /* | |
780 * This code should be replaced by code which opens a window with | |
781 * the exception detail message. | |
782 */ | |
783 (*env)->ExceptionDescribe(env); | |
784 #else | |
785 (*env)->ExceptionDescribe(env); | |
786 #endif | |
787 } | |
788 | |
789 | |
790 /* | |
791 * Return JNI_TRUE for an option string that has no effect but should | |
792 * _not_ be passed on to the vm; return JNI_FALSE otherwise. On | |
793 * windows, there are no options that should be screened in this | |
794 * manner. | |
795 */ | |
796 jboolean RemovableMachineDependentOption(char * option) { | |
797 #ifdef ENABLE_AWT_PRELOAD | |
798 if (awtPreloadD3D < 0) { | |
799 /* Tests the command line parameter only if not set yet. */ | |
800 if (GetBoolParamValue(PARAM_PRELOAD_D3D, option) == 1) { | |
801 awtPreloadD3D = 1; | |
802 } | |
803 } | |
804 if (awtPreloadD3D != 0) { | |
805 /* Don't test the command line parameters if already disabled. */ | |
806 if (GetBoolParamValue(PARAM_NODDRAW, option) == 1 | |
807 || GetBoolParamValue(PARAM_D3D, option) == 0 | |
808 || GetBoolParamValue(PARAM_OPENGL, option) == 1) | |
809 { | |
810 awtPreloadD3D = 0; | |
811 } | |
812 } | |
813 #endif /* ENABLE_AWT_PRELOAD */ | |
814 | |
815 return JNI_FALSE; | |
816 } | |
817 | |
818 void PrintMachineDependentOptions() { | |
819 return; | |
820 } | |
821 | |
822 #ifndef GAMMA | |
823 | |
824 jboolean | |
825 ServerClassMachine() { | |
826 jboolean result = JNI_FALSE; | |
827 #if defined(NEVER_ACT_AS_SERVER_CLASS_MACHINE) | |
828 result = JNI_FALSE; | |
829 #elif defined(ALWAYS_ACT_AS_SERVER_CLASS_MACHINE) | |
830 result = JNI_TRUE; | |
831 #endif | |
832 return result; | |
833 } | |
834 | |
835 /* | |
836 * Determine if there is an acceptable JRE in the registry directory top_key. | |
837 * Upon locating the "best" one, return a fully qualified path to it. | |
838 * "Best" is defined as the most advanced JRE meeting the constraints | |
839 * contained in the manifest_info. If no JRE in this directory meets the | |
840 * constraints, return NULL. | |
841 * | |
842 * It doesn't matter if we get an error reading the registry, or we just | |
843 * don't find anything interesting in the directory. We just return NULL | |
844 * in either case. | |
845 */ | |
846 static char * | |
847 ProcessDir(manifest_info* info, HKEY top_key) { | |
848 DWORD index = 0; | |
849 HKEY ver_key; | |
850 char name[MAXNAMELEN]; | |
851 int len; | |
852 char *best = NULL; | |
853 | |
854 /* | |
855 * Enumerate "<top_key>/SOFTWARE/JavaSoft/Java Runtime Environment" | |
856 * searching for the best available version. | |
857 */ | |
858 while (RegEnumKey(top_key, index, name, MAXNAMELEN) == ERROR_SUCCESS) { | |
859 index++; | |
860 if (JLI_AcceptableRelease(name, info->jre_version)) | |
861 if ((best == NULL) || (JLI_ExactVersionId(name, best) > 0)) { | |
862 if (best != NULL) | |
863 JLI_MemFree(best); | |
864 best = JLI_StringDup(name); | |
865 } | |
866 } | |
867 | |
868 /* | |
869 * Extract "JavaHome" from the "best" registry directory and return | |
870 * that path. If no appropriate version was located, or there is an | |
871 * error in extracting the "JavaHome" string, return null. | |
872 */ | |
873 if (best == NULL) | |
874 return (NULL); | |
875 else { | |
876 if (RegOpenKeyEx(top_key, best, 0, KEY_READ, &ver_key) | |
877 != ERROR_SUCCESS) { | |
878 JLI_MemFree(best); | |
879 if (ver_key != NULL) | |
880 RegCloseKey(ver_key); | |
881 return (NULL); | |
882 } | |
883 JLI_MemFree(best); | |
884 len = MAXNAMELEN; | |
885 if (RegQueryValueEx(ver_key, "JavaHome", NULL, NULL, (LPBYTE)name, &len) | |
886 != ERROR_SUCCESS) { | |
887 if (ver_key != NULL) | |
888 RegCloseKey(ver_key); | |
889 return (NULL); | |
890 } | |
891 if (ver_key != NULL) | |
892 RegCloseKey(ver_key); | |
893 return (JLI_StringDup(name)); | |
894 } | |
895 } | |
896 | |
897 /* | |
898 * This is the global entry point. It examines the host for the optimal | |
899 * JRE to be used by scanning a set of registry entries. This set of entries | |
900 * is hardwired on Windows as "Software\JavaSoft\Java Runtime Environment" | |
901 * under the set of roots "{ HKEY_CURRENT_USER, HKEY_LOCAL_MACHINE }". | |
902 * | |
903 * This routine simply opens each of these registry directories before passing | |
904 * control onto ProcessDir(). | |
905 */ | |
906 char * | |
907 LocateJRE(manifest_info* info) { | |
908 HKEY key = NULL; | |
909 char *path; | |
910 int key_index; | |
911 HKEY root_keys[2] = { HKEY_CURRENT_USER, HKEY_LOCAL_MACHINE }; | |
912 | |
913 for (key_index = 0; key_index <= 1; key_index++) { | |
914 if (RegOpenKeyEx(root_keys[key_index], JRE_KEY, 0, KEY_READ, &key) | |
915 == ERROR_SUCCESS) | |
916 if ((path = ProcessDir(info, key)) != NULL) { | |
917 if (key != NULL) | |
918 RegCloseKey(key); | |
919 return (path); | |
920 } | |
921 if (key != NULL) | |
922 RegCloseKey(key); | |
923 } | |
924 return NULL; | |
925 } | |
926 | |
927 | |
928 /* | |
929 * Local helper routine to isolate a single token (option or argument) | |
930 * from the command line. | |
931 * | |
932 * This routine accepts a pointer to a character pointer. The first | |
933 * token (as defined by MSDN command-line argument syntax) is isolated | |
934 * from that string. | |
935 * | |
936 * Upon return, the input character pointer pointed to by the parameter s | |
937 * is updated to point to the remainding, unscanned, portion of the string, | |
938 * or to a null character if the entire string has been consummed. | |
939 * | |
940 * This function returns a pointer to a null-terminated string which | |
941 * contains the isolated first token, or to the null character if no | |
942 * token could be isolated. | |
943 * | |
944 * Note the side effect of modifying the input string s by the insertion | |
945 * of a null character, making it two strings. | |
946 * | |
947 * See "Parsing C Command-Line Arguments" in the MSDN Library for the | |
948 * parsing rule details. The rule summary from that specification is: | |
949 * | |
950 * * Arguments are delimited by white space, which is either a space or a tab. | |
951 * | |
952 * * A string surrounded by double quotation marks is interpreted as a single | |
953 * argument, regardless of white space contained within. A quoted string can | |
954 * be embedded in an argument. Note that the caret (^) is not recognized as | |
955 * an escape character or delimiter. | |
956 * | |
957 * * A double quotation mark preceded by a backslash, \", is interpreted as a | |
958 * literal double quotation mark ("). | |
959 * | |
960 * * Backslashes are interpreted literally, unless they immediately precede a | |
961 * double quotation mark. | |
962 * | |
963 * * If an even number of backslashes is followed by a double quotation mark, | |
964 * then one backslash (\) is placed in the argv array for every pair of | |
965 * backslashes (\\), and the double quotation mark (") is interpreted as a | |
966 * string delimiter. | |
967 * | |
968 * * If an odd number of backslashes is followed by a double quotation mark, | |
969 * then one backslash (\) is placed in the argv array for every pair of | |
970 * backslashes (\\) and the double quotation mark is interpreted as an | |
971 * escape sequence by the remaining backslash, causing a literal double | |
972 * quotation mark (") to be placed in argv. | |
973 */ | |
974 static char* | |
975 nextarg(char** s) { | |
976 char *p = *s; | |
977 char *head; | |
978 int slashes = 0; | |
979 int inquote = 0; | |
980 | |
981 /* | |
982 * Strip leading whitespace, which MSDN defines as only space or tab. | |
983 * (Hence, no locale specific "isspace" here.) | |
984 */ | |
985 while (*p != (char)0 && (*p == ' ' || *p == '\t')) | |
986 p++; | |
987 head = p; /* Save the start of the token to return */ | |
988 | |
989 /* | |
990 * Isolate a token from the command line. | |
991 */ | |
992 while (*p != (char)0 && (inquote || !(*p == ' ' || *p == '\t'))) { | |
993 if (*p == '\\' && *(p+1) == '"' && slashes % 2 == 0) | |
994 p++; | |
995 else if (*p == '"') | |
996 inquote = !inquote; | |
997 slashes = (*p++ == '\\') ? slashes + 1 : 0; | |
998 } | |
999 | |
1000 /* | |
1001 * If the token isolated isn't already terminated in a "char zero", | |
1002 * then replace the whitespace character with one and move to the | |
1003 * next character. | |
1004 */ | |
1005 if (*p != (char)0) | |
1006 *p++ = (char)0; | |
1007 | |
1008 /* | |
1009 * Update the parameter to point to the head of the remaining string | |
1010 * reflecting the command line and return a pointer to the leading | |
1011 * token which was isolated from the command line. | |
1012 */ | |
1013 *s = p; | |
1014 return (head); | |
1015 } | |
1016 | |
1017 /* | |
1018 * Local helper routine to return a string equivalent to the input string | |
1019 * s, but with quotes removed so the result is a string as would be found | |
1020 * in argv[]. The returned string should be freed by a call to JLI_MemFree(). | |
1021 * | |
1022 * The rules for quoting (and escaped quotes) are: | |
1023 * | |
1024 * 1 A double quotation mark preceded by a backslash, \", is interpreted as a | |
1025 * literal double quotation mark ("). | |
1026 * | |
1027 * 2 Backslashes are interpreted literally, unless they immediately precede a | |
1028 * double quotation mark. | |
1029 * | |
1030 * 3 If an even number of backslashes is followed by a double quotation mark, | |
1031 * then one backslash (\) is placed in the argv array for every pair of | |
1032 * backslashes (\\), and the double quotation mark (") is interpreted as a | |
1033 * string delimiter. | |
1034 * | |
1035 * 4 If an odd number of backslashes is followed by a double quotation mark, | |
1036 * then one backslash (\) is placed in the argv array for every pair of | |
1037 * backslashes (\\) and the double quotation mark is interpreted as an | |
1038 * escape sequence by the remaining backslash, causing a literal double | |
1039 * quotation mark (") to be placed in argv. | |
1040 */ | |
1041 static char* | |
1042 unquote(const char *s) { | |
1043 const char *p = s; /* Pointer to the tail of the original string */ | |
1044 char *un = (char*)JLI_MemAlloc(strlen(s) + 1); /* Ptr to unquoted string */ | |
1045 char *pun = un; /* Pointer to the tail of the unquoted string */ | |
1046 | |
1047 while (*p != '\0') { | |
1048 if (*p == '"') { | |
1049 p++; | |
1050 } else if (*p == '\\') { | |
1051 const char *q = p + strspn(p,"\\"); | |
1052 if (*q == '"') | |
1053 do { | |
1054 *pun++ = '\\'; | |
1055 p += 2; | |
1056 } while (*p == '\\' && p < q); | |
1057 else | |
1058 while (p < q) | |
1059 *pun++ = *p++; | |
1060 } else { | |
1061 *pun++ = *p++; | |
1062 } | |
1063 } | |
1064 *pun = '\0'; | |
1065 return un; | |
1066 } | |
1067 | |
1068 /* | |
1069 * Given a path to a jre to execute, this routine checks if this process | |
1070 * is indeed that jre. If not, it exec's that jre. | |
1071 * | |
1072 * We want to actually check the paths rather than just the version string | |
1073 * built into the executable, so that given version specification will yield | |
1074 * the exact same Java environment, regardless of the version of the arbitrary | |
1075 * launcher we start with. | |
1076 */ | |
1077 void | |
1078 ExecJRE(char *jre, char **argv) { | |
1079 int len; | |
1080 char *progname; | |
1081 char path[MAXPATHLEN + 1]; | |
1082 | |
1083 /* | |
1084 * Determine the executable we are building (or in the rare case, running). | |
1085 */ | |
1086 #ifdef JAVA_ARGS /* javac, jar and friends. */ | |
1087 progname = "java"; | |
1088 #else /* java, oldjava, javaw and friends */ | |
1089 #ifdef PROGNAME | |
1090 progname = PROGNAME; | |
1091 #else | |
1092 { | |
1093 char *s; | |
1094 progname = *argv; | |
1095 if ((s = strrchr(progname, FILE_SEPARATOR)) != 0) { | |
1096 progname = s + 1; | |
1097 } | |
1098 } | |
1099 #endif /* PROGNAME */ | |
1100 #endif /* JAVA_ARGS */ | |
1101 | |
1102 /* | |
1103 * Resolve the real path to the currently running launcher. | |
1104 */ | |
1105 len = GetModuleFileName(NULL, path, MAXPATHLEN + 1); | |
1106 if (len == 0 || len > MAXPATHLEN) { | |
1107 ReportSysErrorMessage2( | |
1108 "Unable to resolve path to current %s executable: %s", | |
1109 progname, JNI_TRUE); | |
1110 exit(1); | |
1111 } | |
1112 | |
1113 if (_launcher_debug) { | |
1114 printf("ExecJRE: old: %s\n", path); | |
1115 printf("ExecJRE: new: %s\n", jre); | |
1116 } | |
1117 | |
1118 /* | |
1119 * If the path to the selected JRE directory is a match to the initial | |
1120 * portion of the path to the currently executing JRE, we have a winner! | |
1121 * If so, just return. (strnicmp() is the Windows equiv. of strncasecmp().) | |
1122 */ | |
1123 if (strnicmp(jre, path, strlen(jre)) == 0) | |
1124 return; /* I am the droid you were looking for */ | |
1125 | |
1126 /* | |
1127 * If this isn't the selected version, exec the selected version. | |
1128 */ | |
1129 (void)strcat(strcat(strcpy(path, jre), "\\bin\\"), progname); | |
1130 (void)strcat(path, ".exe"); | |
1131 | |
1132 /* | |
1133 * Although Windows has an execv() entrypoint, it doesn't actually | |
1134 * overlay a process: it can only create a new process and terminate | |
1135 * the old process. Therefore, any processes waiting on the initial | |
1136 * process wake up and they shouldn't. Hence, a chain of pseudo-zombie | |
1137 * processes must be retained to maintain the proper wait semantics. | |
1138 * Fortunately the image size of the launcher isn't too large at this | |
1139 * time. | |
1140 * | |
1141 * If it weren't for this semantic flaw, the code below would be ... | |
1142 * | |
1143 * execv(path, argv); | |
1144 * ReportErrorMessage2("Exec of %s failed\n", path, JNI_TRUE); | |
1145 * exit(1); | |
1146 * | |
1147 * The incorrect exec semantics could be addressed by: | |
1148 * | |
1149 * exit((int)spawnv(_P_WAIT, path, argv)); | |
1150 * | |
1151 * Unfortunately, a bug in Windows spawn/exec impementation prevents | |
1152 * this from completely working. All the Windows POSIX process creation | |
1153 * interfaces are implemented as wrappers around the native Windows | |
1154 * function CreateProcess(). CreateProcess() takes a single string | |
1155 * to specify command line options and arguments, so the POSIX routine | |
1156 * wrappers build a single string from the argv[] array and in the | |
1157 * process, any quoting information is lost. | |
1158 * | |
1159 * The solution to this to get the original command line, to process it | |
1160 * to remove the new multiple JRE options (if any) as was done for argv | |
1161 * in the common SelectVersion() routine and finally to pass it directly | |
1162 * to the native CreateProcess() Windows process control interface. | |
1163 */ | |
1164 { | |
1165 char *cmdline; | |
1166 char *p; | |
1167 char *np; | |
1168 char *ocl; | |
1169 char *ccl; | |
1170 char *unquoted; | |
1171 DWORD exitCode; | |
1172 STARTUPINFO si; | |
1173 PROCESS_INFORMATION pi; | |
1174 | |
1175 /* | |
1176 * The following code block gets and processes the original command | |
1177 * line, replacing the argv[0] equivalent in the command line with | |
1178 * the path to the new executable and removing the appropriate | |
1179 * Multiple JRE support options. Note that similar logic exists | |
1180 * in the platform independent SelectVersion routine, but is | |
1181 * replicated here due to the syntax of CreateProcess(). | |
1182 * | |
1183 * The magic "+ 4" characters added to the command line length are | |
1184 * 2 possible quotes around the path (argv[0]), a space after the | |
1185 * path and a terminating null character. | |
1186 */ | |
1187 ocl = GetCommandLine(); | |
1188 np = ccl = JLI_StringDup(ocl); | |
1189 p = nextarg(&np); /* Discard argv[0] */ | |
1190 cmdline = (char *)JLI_MemAlloc(strlen(path) + strlen(np) + 4); | |
1191 if (strchr(path, (int)' ') == NULL && strchr(path, (int)'\t') == NULL) | |
1192 cmdline = strcpy(cmdline, path); | |
1193 else | |
1194 cmdline = strcat(strcat(strcpy(cmdline, "\""), path), "\""); | |
1195 | |
1196 while (*np != (char)0) { /* While more command-line */ | |
1197 p = nextarg(&np); | |
1198 if (*p != (char)0) { /* If a token was isolated */ | |
1199 unquoted = unquote(p); | |
1200 if (*unquoted == '-') { /* Looks like an option */ | |
1201 if (strcmp(unquoted, "-classpath") == 0 || | |
1202 strcmp(unquoted, "-cp") == 0) { /* Unique cp syntax */ | |
1203 cmdline = strcat(strcat(cmdline, " "), p); | |
1204 p = nextarg(&np); | |
1205 if (*p != (char)0) /* If a token was isolated */ | |
1206 cmdline = strcat(strcat(cmdline, " "), p); | |
1207 } else if (strncmp(unquoted, "-version:", 9) != 0 && | |
1208 strcmp(unquoted, "-jre-restrict-search") != 0 && | |
1209 strcmp(unquoted, "-no-jre-restrict-search") != 0) { | |
1210 cmdline = strcat(strcat(cmdline, " "), p); | |
1211 } | |
1212 } else { /* End of options */ | |
1213 cmdline = strcat(strcat(cmdline, " "), p); | |
1214 cmdline = strcat(strcat(cmdline, " "), np); | |
1215 JLI_MemFree((void *)unquoted); | |
1216 break; | |
1217 } | |
1218 JLI_MemFree((void *)unquoted); | |
1219 } | |
1220 } | |
1221 JLI_MemFree((void *)ccl); | |
1222 | |
1223 if (_launcher_debug) { | |
1224 np = ccl = JLI_StringDup(cmdline); | |
1225 p = nextarg(&np); | |
1226 printf("ReExec Command: %s (%s)\n", path, p); | |
1227 printf("ReExec Args: %s\n", np); | |
1228 JLI_MemFree((void *)ccl); | |
1229 } | |
1230 (void)fflush(stdout); | |
1231 (void)fflush(stderr); | |
1232 | |
1233 /* | |
1234 * The following code is modeled after a model presented in the | |
1235 * Microsoft Technical Article "Moving Unix Applications to | |
1236 * Windows NT" (March 6, 1994) and "Creating Processes" on MSDN | |
1237 * (Februrary 2005). It approximates UNIX spawn semantics with | |
1238 * the parent waiting for termination of the child. | |
1239 */ | |
1240 memset(&si, 0, sizeof(si)); | |
1241 si.cb =sizeof(STARTUPINFO); | |
1242 memset(&pi, 0, sizeof(pi)); | |
1243 | |
1244 if (!CreateProcess((LPCTSTR)path, /* executable name */ | |
1245 (LPTSTR)cmdline, /* command line */ | |
1246 (LPSECURITY_ATTRIBUTES)NULL, /* process security attr. */ | |
1247 (LPSECURITY_ATTRIBUTES)NULL, /* thread security attr. */ | |
1248 (BOOL)TRUE, /* inherits system handles */ | |
1249 (DWORD)0, /* creation flags */ | |
1250 (LPVOID)NULL, /* environment block */ | |
1251 (LPCTSTR)NULL, /* current directory */ | |
1252 (LPSTARTUPINFO)&si, /* (in) startup information */ | |
1253 (LPPROCESS_INFORMATION)&pi)) { /* (out) process information */ | |
1254 ReportSysErrorMessage2("CreateProcess(%s, ...) failed: %s", | |
1255 path, JNI_TRUE); | |
1256 exit(1); | |
1257 } | |
1258 | |
1259 if (WaitForSingleObject(pi.hProcess, INFINITE) != WAIT_FAILED) { | |
1260 if (GetExitCodeProcess(pi.hProcess, &exitCode) == FALSE) | |
1261 exitCode = 1; | |
1262 } else { | |
1263 ReportErrorMessage("WaitForSingleObject() failed.", JNI_TRUE); | |
1264 exitCode = 1; | |
1265 } | |
1266 | |
1267 CloseHandle(pi.hThread); | |
1268 CloseHandle(pi.hProcess); | |
1269 | |
1270 exit(exitCode); | |
1271 } | |
1272 | |
1273 } | |
1274 | |
1275 #endif /* ifndef GAMMA */ | |
1276 | |
1277 | |
1278 /* | |
1279 * Wrapper for platform dependent unsetenv function. | |
1280 */ | |
1281 int | |
1282 UnsetEnv(char *name) | |
1283 { | |
1284 int ret; | |
1285 char *buf = JLI_MemAlloc(strlen(name) + 2); | |
1286 buf = strcat(strcpy(buf, name), "="); | |
1287 ret = _putenv(buf); | |
1288 JLI_MemFree(buf); | |
1289 return (ret); | |
1290 } | |
1291 | |
1292 /* --- Splash Screen shared library support --- */ | |
1293 | |
1294 static const char* SPLASHSCREEN_SO = "\\bin\\splashscreen.dll"; | |
1295 | |
1296 static HMODULE hSplashLib = NULL; | |
1297 | |
1298 void* SplashProcAddress(const char* name) { | |
1299 char libraryPath[MAXPATHLEN]; /* some extra space for strcat'ing SPLASHSCREEN_SO */ | |
1300 | |
1301 if (!GetJREPath(libraryPath, MAXPATHLEN)) { | |
1302 return NULL; | |
1303 } | |
1304 if (strlen(libraryPath)+strlen(SPLASHSCREEN_SO) >= MAXPATHLEN) { | |
1305 return NULL; | |
1306 } | |
1307 strcat(libraryPath, SPLASHSCREEN_SO); | |
1308 | |
1309 if (!hSplashLib) { | |
1310 hSplashLib = LoadLibrary(libraryPath); | |
1311 } | |
1312 if (hSplashLib) { | |
1313 return GetProcAddress(hSplashLib, name); | |
1314 } else { | |
1315 return NULL; | |
1316 } | |
1317 } | |
1318 | |
1319 void SplashFreeLibrary() { | |
1320 if (hSplashLib) { | |
1321 FreeLibrary(hSplashLib); | |
1322 hSplashLib = NULL; | |
1323 } | |
1324 } | |
1325 | |
1326 const char * | |
1327 jlong_format_specifier() { | |
1328 return "%I64d"; | |
1329 } | |
1330 | |
1331 /* | |
1332 * Block current thread and continue execution in a new thread | |
1333 */ | |
1334 int | |
1335 ContinueInNewThread(int (JNICALL *continuation)(void *), jlong stack_size, void * args) { | |
1336 int rslt = 0; | |
1337 unsigned thread_id; | |
1338 | |
1339 #ifndef STACK_SIZE_PARAM_IS_A_RESERVATION | |
1340 #define STACK_SIZE_PARAM_IS_A_RESERVATION (0x10000) | |
1341 #endif | |
1342 | |
1343 /* | |
1344 * STACK_SIZE_PARAM_IS_A_RESERVATION is what we want, but it's not | |
1345 * supported on older version of Windows. Try first with the flag; and | |
1346 * if that fails try again without the flag. See MSDN document or HotSpot | |
1347 * source (os_win32.cpp) for details. | |
1348 */ | |
1349 HANDLE thread_handle = | |
1350 (HANDLE)_beginthreadex(NULL, | |
1351 (unsigned)stack_size, | |
1352 continuation, | |
1353 args, | |
1354 STACK_SIZE_PARAM_IS_A_RESERVATION, | |
1355 &thread_id); | |
1356 if (thread_handle == NULL) { | |
1357 thread_handle = | |
1358 (HANDLE)_beginthreadex(NULL, | |
1359 (unsigned)stack_size, | |
1360 continuation, | |
1361 args, | |
1362 0, | |
1363 &thread_id); | |
1364 } | |
1365 | |
1366 /* AWT preloading (AFTER main thread start) */ | |
1367 #ifdef ENABLE_AWT_PRELOAD | |
1368 /* D3D preloading */ | |
1369 if (awtPreloadD3D != 0) { | |
1370 char *envValue; | |
1371 /* D3D routines checks env.var J2D_D3D if no appropriate | |
1372 * command line params was specified | |
1373 */ | |
1374 envValue = getenv("J2D_D3D"); | |
1375 if (envValue != NULL && stricmp(envValue, "false") == 0) { | |
1376 awtPreloadD3D = 0; | |
1377 } | |
1378 /* Test that AWT preloading isn't disabled by J2D_D3D_PRELOAD env.var */ | |
1379 envValue = getenv("J2D_D3D_PRELOAD"); | |
1380 if (envValue != NULL && stricmp(envValue, "false") == 0) { | |
1381 awtPreloadD3D = 0; | |
1382 } | |
1383 if (awtPreloadD3D < 0) { | |
1384 /* If awtPreloadD3D is still undefined (-1), test | |
1385 * if it is turned on by J2D_D3D_PRELOAD env.var. | |
1386 * By default it's turned OFF. | |
1387 */ | |
1388 awtPreloadD3D = 0; | |
1389 if (envValue != NULL && stricmp(envValue, "true") == 0) { | |
1390 awtPreloadD3D = 1; | |
1391 } | |
1392 } | |
1393 } | |
1394 if (awtPreloadD3D) { | |
1395 AWTPreload(D3D_PRELOAD_FUNC); | |
1396 } | |
1397 #endif /* ENABLE_AWT_PRELOAD */ | |
1398 | |
1399 if (thread_handle) { | |
1400 WaitForSingleObject(thread_handle, INFINITE); | |
1401 GetExitCodeThread(thread_handle, &rslt); | |
1402 CloseHandle(thread_handle); | |
1403 } else { | |
1404 rslt = continuation(args); | |
1405 } | |
1406 | |
1407 #ifdef ENABLE_AWT_PRELOAD | |
1408 if (awtPreloaded) { | |
1409 AWTPreloadStop(); | |
1410 } | |
1411 #endif /* ENABLE_AWT_PRELOAD */ | |
1412 | |
1413 return rslt; | |
1414 } | |
1415 | |
1416 /* Linux only, empty on windows. */ | |
1417 void SetJavaLauncherPlatformProps() {} | |
1418 | |
1419 | |
1420 //============================== | |
1421 // AWT preloading | |
1422 #ifdef ENABLE_AWT_PRELOAD | |
1423 | |
1424 typedef int FnPreloadStart(void); | |
1425 typedef void FnPreloadStop(void); | |
1426 static FnPreloadStop *fnPreloadStop = NULL; | |
1427 static HMODULE hPreloadAwt = NULL; | |
1428 | |
1429 /* | |
1430 * Starts AWT preloading | |
1431 */ | |
1432 int AWTPreload(const char *funcName) | |
1433 { | |
1434 int result = -1; | |
1435 | |
1436 // load AWT library once (if several preload function should be called) | |
1437 if (hPreloadAwt == NULL) { | |
1438 // awt.dll is not loaded yet | |
1439 char libraryPath[MAXPATHLEN]; | |
1440 int jrePathLen = 0; | |
1441 HMODULE hJava = NULL; | |
1442 HMODULE hVerify = NULL; | |
1443 | |
1444 while (1) { | |
1445 // awt.dll depends on jvm.dll & java.dll; | |
1446 // jvm.dll is already loaded, so we need only java.dll; | |
1447 // java.dll depends on MSVCRT lib & verify.dll. | |
1448 if (!GetJREPath(libraryPath, MAXPATHLEN)) { | |
1449 break; | |
1450 } | |
1451 | |
1452 // save path length | |
1453 jrePathLen = strlen(libraryPath); | |
1454 | |
1455 // load msvcrt 1st | |
1456 LoadMSVCRT(); | |
1457 | |
1458 // load verify.dll | |
1459 strcat(libraryPath, "\\bin\\verify.dll"); | |
1460 hVerify = LoadLibrary(libraryPath); | |
1461 if (hVerify == NULL) { | |
1462 break; | |
1463 } | |
1464 | |
1465 // restore jrePath | |
1466 libraryPath[jrePathLen] = 0; | |
1467 // load java.dll | |
1468 strcat(libraryPath, "\\bin\\" JAVA_DLL); | |
1469 hJava = LoadLibrary(libraryPath); | |
1470 if (hJava == NULL) { | |
1471 break; | |
1472 } | |
1473 | |
1474 // restore jrePath | |
1475 libraryPath[jrePathLen] = 0; | |
1476 // load awt.dll | |
1477 strcat(libraryPath, "\\bin\\awt.dll"); | |
1478 hPreloadAwt = LoadLibrary(libraryPath); | |
1479 if (hPreloadAwt == NULL) { | |
1480 break; | |
1481 } | |
1482 | |
1483 // get "preloadStop" func ptr | |
1484 fnPreloadStop = (FnPreloadStop *)GetProcAddress(hPreloadAwt, "preloadStop"); | |
1485 | |
1486 break; | |
1487 } | |
1488 } | |
1489 | |
1490 if (hPreloadAwt != NULL) { | |
1491 FnPreloadStart *fnInit = (FnPreloadStart *)GetProcAddress(hPreloadAwt, funcName); | |
1492 if (fnInit != NULL) { | |
1493 // don't forget to stop preloading | |
1494 awtPreloaded = 1; | |
1495 | |
1496 result = fnInit(); | |
1497 } | |
1498 } | |
1499 | |
1500 return result; | |
1501 } | |
1502 | |
1503 /* | |
1504 * Terminates AWT preloading | |
1505 */ | |
1506 void AWTPreloadStop() { | |
1507 if (fnPreloadStop != NULL) { | |
1508 fnPreloadStop(); | |
1509 } | |
1510 } | |
1511 | |
1512 #endif /* ENABLE_AWT_PRELOAD */ |