1 /* src/native/vm/java_lang_VMRuntime.c
3 Copyright (C) 1996-2005, 2006, 2007 R. Grafl, A. Krall, C. Kruegel,
4 C. Oates, R. Obermaisser, M. Platter, M. Probst, S. Ring,
5 E. Steiner, C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich,
6 J. Wenninger, Institut f. Computersprachen - TU Wien
8 This file is part of CACAO.
10 This program is free software; you can redistribute it and/or
11 modify it under the terms of the GNU General Public License as
12 published by the Free Software Foundation; either version 2, or (at
13 your option) any later version.
15 This program is distributed in the hope that it will be useful, but
16 WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software
22 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
30 #if defined(ENABLE_LTDL) && defined(HAVE_LTDL_H)
36 #include "mm/gc-common.h"
38 #include "native/jni.h"
39 #include "native/native.h"
41 #include "native/include/java_lang_String.h"
43 #include "toolbox/logging.h"
45 #include "vm/exceptions.h"
46 #include "vm/stringlocal.h"
49 #include "vmcore/options.h"
52 /* should we run all finalizers on exit? */
53 static bool finalizeOnExit = false;
57 * Class: java/lang/Runtime
58 * Method: exitInternal
61 void _Jv_java_lang_Runtime_exit(s4 status)
71 * Class: java/lang/Runtime
75 s8 _Jv_java_lang_Runtime_freeMemory(void)
77 return gc_get_free_bytes();
82 * Class: java/lang/Runtime
86 s8 _Jv_java_lang_Runtime_totalMemory(void)
88 return gc_get_heap_size();
93 * Class: java/lang/Runtime
97 void _Jv_java_lang_Runtime_gc(void)
104 * Class: java/lang/Runtime
105 * Method: loadLibrary
106 * Signature: (Ljava/lang/String;Ljava/lang/ClassLoader;)I
108 #if defined(ENABLE_JNI)
109 s4 _Jv_java_lang_Runtime_loadLibrary(JNIEnv *env, java_lang_String *libname, classloader *cl)
111 s4 _Jv_java_lang_Runtime_loadLibrary(java_lang_String *libname, classloader *cl)
114 #if defined(ENABLE_LTDL)
117 # if defined(ENABLE_JNI)
122 if (libname == NULL) {
123 exceptions_throw_nullpointerexception();
127 name = javastring_toutf((java_handle_t *) libname, false);
129 /* is the library already loaded? */
131 if (native_library_find(name, cl) != NULL)
134 /* open the library */
136 handle = native_library_open(name);
141 # if defined(ENABLE_JNI)
142 /* resolve JNI_OnLoad function */
144 onload = lt_dlsym(handle, "JNI_OnLoad");
146 if (onload != NULL) {
147 JNIEXPORT s4 (JNICALL *JNI_OnLoad) (JavaVM *, void *);
150 JNI_OnLoad = (JNIEXPORT s4 (JNICALL *)(JavaVM *, void *)) (ptrint) onload;
152 (*env)->GetJavaVM(env, &vm);
154 version = JNI_OnLoad(vm, NULL);
156 /* if the version is not 1.2 and not 1.4 the library cannot be loaded */
158 if ((version != JNI_VERSION_1_2) && (version != JNI_VERSION_1_4)) {
166 /* insert the library name into the library hash */
168 native_library_add(name, cl, handle);
172 vm_abort("_Jv_java_lang_Runtime_loadLibrary: not available");
174 /* keep compiler happy */
181 #if defined(ENABLE_JAVASE)
184 * Class: java/lang/Runtime
185 * Method: runFinalizersOnExit
188 void _Jv_java_lang_Runtime_runFinalizersOnExit(s4 value)
192 finalizeOnExit = value;
199 * These are local overrides for various environment variables in Emacs.
200 * Please do not remove this and leave it at the end of the file, where
201 * Emacs will automagically detect them.
202 * ---------------------------------------------------------------------
205 * indent-tabs-mode: t
209 * vim:noexpandtab:sw=4:ts=4: