-/* class: java/lang/Runtime */
+/* nat/Runtime.c - java/lang/Runtime
+ Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
+ R. Grafl, A. Krall, C. Kruegel, C. Oates, R. Obermaisser,
+ M. Probst, S. Ring, E. Steiner, C. Thalinger, D. Thuernbeck,
+ P. Tomsich, J. Wenninger
+
+ This file is part of CACAO.
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public License as
+ published by the Free Software Foundation; either version 2, or (at
+ your option) any later version.
+
+ This program is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ 02111-1307, USA.
+
+ Contact: cacao@complang.tuwien.ac.at
+
+ Authors: Roman Obermaiser
+
+ Changes: Joseph Wenninger
+ Christian Thalinger
+
+ $Id: VMRuntime.c 1494 2004-11-12 13:34:26Z twisti $
+
+*/
+
+
+#include <string.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/utsname.h>
+#include "exceptions.h"
+#include "main.h"
+#include "jni.h"
+#include "builtin.h"
+#include "exceptions.h"
+#include "loader.h"
+#include "native.h"
+#include "tables.h"
+#include "asmpart.h"
+#include "mm/boehm.h"
+#include "toolbox/logging.h"
+#include "toolbox/memory.h"
+#include "nat/java_io_File.h"
+#include "nat/java_lang_String.h"
+#include "nat/java_lang_Process.h"
+#include "nat/java_util_Properties.h" /* needed for java_lang_VMRuntime.h */
+#include "nat/java_lang_VMRuntime.h"
+
+#include "config.h"
+#ifndef STATIC_CLASSPATH
+#include <dlfcn.h>
+#endif
+
+/* this should work on BSD */
/*
- * Class: java/lang/Runtime
+#if defined(__DARWIN__)
+#include <sys/sysctl.h>
+#endif
+*/
+
+#undef JOWENN_DEBUG
+
+/* should we run all finalizers on exit? */
+static bool finalizeOnExit = false;
+
+/* temporary property structure */
+
+typedef struct property property;
+
+struct property {
+ char *key;
+ char *value;
+ property *next;
+};
+
+static property *properties = NULL;
+
+
+/* create_property *************************************************************
+
+ Create a property entry for a command line property definition.
+
+*******************************************************************************/
+
+void create_property(char *key, char *value)
+{
+ property *p;
+
+ p = NEW(property);
+ p->key = key;
+ p->value = value;
+ p->next = properties;
+ properties = p;
+}
+
+
+/* insert_property *************************************************************
+
+ Used for inserting a property into the system's properties table. Method m
+ (usually put) and the properties table must be given.
+
+*******************************************************************************/
+
+static void insert_property(methodinfo *m, java_util_Properties *p, char *key,
+ char *value)
+{
+ asm_calljavafunction(m,
+ p,
+ javastring_new_char(key),
+ javastring_new_char(value),
+ NULL);
+}
+
+
+/*
+ * Class: java_lang_VMRuntime
* Method: execInternal
- * Signature: ([Ljava/lang/String;[Ljava/lang/String;)Ljava/lang/Process;
+ * Signature: ([Ljava/lang/String;[Ljava/lang/String;Ljava/io/File;)Ljava/lang/Process;
*/
-JNIEXPORT struct java_lang_Process* JNICALL Java_java_lang_Runtime_execInternal ( JNIEnv *env , struct java_lang_Runtime* this, java_objectarray* par1, java_objectarray* par2)
+JNIEXPORT java_lang_Process* JNICALL Java_java_lang_VMRuntime_execInternal(JNIEnv *env, jclass clazz, java_objectarray *cmd, java_objectarray *shellenv, java_io_File *workingdir)
{
- log_text("Java_java_lang_Runtime_execInternal called");
- return NULL;
+ log_text("Java_java_lang_Runtime_execInternal called");
+
+ return NULL;
}
+
+
/*
- * Class: java/lang/Runtime
+ * Class: java/lang/VMRuntime
* Method: exitInternal
* Signature: (I)V
*/
-JNIEXPORT void JNICALL Java_java_lang_Runtime_exitInternal ( JNIEnv *env , struct java_lang_Runtime* this, s4 par1)
+JNIEXPORT void JNICALL Java_java_lang_VMRuntime_exit(JNIEnv *env, jclass clazz, s4 par1)
{
- cacao_shutdown (par1);
+ if (finalizeOnExit)
+ gc_finalize_all();
+
+ cacao_shutdown(par1);
}
+
+
/*
* Class: java/lang/Runtime
* Method: freeMemory
* Signature: ()J
*/
-JNIEXPORT s8 JNICALL Java_java_lang_Runtime_freeMemory ( JNIEnv *env , struct java_lang_Runtime* this)
+JNIEXPORT s8 JNICALL Java_java_lang_VMRuntime_freeMemory(JNIEnv *env, jclass clazz)
{
- log_text ("java_lang_Runtime_freeMemory called");
- return builtin_i2l (0);
+ return gc_get_free_bytes();
}
+
+
/*
* Class: java/lang/Runtime
* Method: gc
* Signature: ()V
*/
-JNIEXPORT void JNICALL Java_java_lang_Runtime_gc ( JNIEnv *env , struct java_lang_Runtime* this)
+JNIEXPORT void JNICALL Java_java_lang_VMRuntime_gc(JNIEnv *env, jclass clazz)
{
gc_call();
}
+
+
/*
* Class: java/lang/Runtime
- * Method: runFinalization0
+ * Method: runFinalization
* Signature: ()V
*/
-JNIEXPORT void JNICALL Java_java_lang_Runtime_runFinalization0 ( JNIEnv *env )
+JNIEXPORT void JNICALL Java_java_lang_VMRuntime_runFinalization(JNIEnv *env, jclass clazz)
{
- log_text("Java_java_lang_Runtime_runFinalization0 called");
+ gc_invoke_finalizers();
}
+
+
/*
* Class: java/lang/Runtime
- * Method: runFinalizersOnExit0
+ * Method: runFinalizersOnExit
* Signature: (Z)V
*/
-JNIEXPORT void JNICALL Java_java_lang_Runtime_runFinalizersOnExit0 ( JNIEnv *env , s4 par1)
+JNIEXPORT void JNICALL Java_java_lang_VMRuntime_runFinalizersOnExit(JNIEnv *env, jclass clazz, s4 value)
+{
+#ifdef __GNUC__
+#warning threading
+#endif
+ finalizeOnExit = value;
+}
+
+
+/*
+ * Class: java/lang/Runtime
+ * Method: runFinalizationsForExit
+ * Signature: ()V
+ */
+JNIEXPORT void JNICALL Java_java_lang_VMRuntime_runFinalizationForExit(JNIEnv *env, jclass clazz)
{
- log_text("Java_java_lang_Runtime_runFinalizersOnExit0 called");
+/* if (finalizeOnExit) { */
+/* gc_call(); */
+ /* gc_finalize_all(); */
+/* } */
+/* log_text("Java_java_lang_VMRuntime_runFinalizationForExit called"); */
+ /*gc_finalize_all();*/
+ /*gc_invoke_finalizers();*/
+ /*gc_call();*/
}
+
+
/*
* Class: java/lang/Runtime
* Method: totalMemory
* Signature: ()J
*/
-JNIEXPORT s8 JNICALL Java_java_lang_Runtime_totalMemory ( JNIEnv *env , struct java_lang_Runtime* this)
+JNIEXPORT s8 JNICALL Java_java_lang_VMRuntime_totalMemory(JNIEnv *env, jclass clazz)
{
- log_text ("java_lang_Runtime_totalMemory called");
- return builtin_i2l (0);
+ return gc_get_heap_size();
}
+
+
/*
* Class: java/lang/Runtime
* Method: traceInstructions
* Signature: (Z)V
*/
-JNIEXPORT void JNICALL Java_java_lang_Runtime_traceInstructions ( JNIEnv *env , struct java_lang_Runtime* this, s4 par1)
+JNIEXPORT void JNICALL Java_java_lang_VMRuntime_traceInstructions(JNIEnv *env, jclass clazz, s4 par1)
{
- log_text("Java_java_lang_Runtime_traceInstructions called");
+ /* not supported */
}
+
+
/*
* Class: java/lang/Runtime
* Method: traceMethodCalls
* Signature: (Z)V
*/
-JNIEXPORT void JNICALL Java_java_lang_Runtime_traceMethodCalls ( JNIEnv *env , struct java_lang_Runtime* this, s4 par1)
+JNIEXPORT void JNICALL Java_java_lang_VMRuntime_traceMethodCalls(JNIEnv *env, jclass clazz, s4 par1)
{
- log_text("Java_java_lang_Runtime_traceMethodCalls called");
+ /* not supported */
}
+
+
+/*
+ * Class: java_lang_Runtime
+ * Method: availableProcessors
+ * Signature: ()I
+ */
+JNIEXPORT s4 JNICALL Java_java_lang_VMRuntime_availableProcessors(JNIEnv *env, jclass clazz)
+{
+#if defined(_SC_NPROC_ONLN)
+ return (s4) sysconf(_SC_NPROC_ONLN);
+
+#elif defined(_SC_NPROCESSORS_ONLN)
+ return (s4) sysconf(_SC_NPROCESSORS_ONLN);
+
+#elif defined(__DARWIN__)
+ /* this should work in BSD */
+ /*
+ int ncpu, mib[2], rc;
+ size_t len;
+
+ mib[0] = CTL_HW;
+ mib[1] = HW_NCPU;
+ len = sizeof(ncpu);
+ rc = sysctl(mib, 2, &ncpu, &len, NULL, 0);
+
+ return (s4) ncpu;
+ */
+
+ host_basic_info_data_t hinfo;
+ mach_msg_type_number_t hinfo_count = HOST_BASIC_INFO_COUNT;
+ kern_return_t rc;
+
+ rc = host_info(mach_host_self(), HOST_BASIC_INFO,
+ (host_info_t) &hinfo, &hinfo_count);
+
+ if (rc != KERN_SUCCESS) {
+ return -1;
+ }
+
+ return (s4) hinfo.avail_cpus;
+
+#else
+ return 1;
+#endif
+}
+
+
+/*
+ * Class: java_lang_Runtime
+ * Method: nativeLoad
+ * Signature: (Ljava/lang/String;)I
+ */
+JNIEXPORT s4 JNICALL Java_java_lang_VMRuntime_nativeLoad(JNIEnv *env, jclass clazz, java_lang_String *par1)
+{
+ int retVal=0;
+
+ char *buffer;
+ int buffer_len;
+ utf *data;
+
+ log_text("Java_java_lang_VMRuntime_nativeLoad");
+
+ data = javastring_toutf(par1, 0);
+
+ if (!data) {
+ log_text("nativeLoad: Error: empty string");
+ return 1;
+ }
+
+ buffer_len = utf_strlen(data) + 40;
+
+
+ buffer = MNEW(char, buffer_len);
+ strcpy(buffer, "Java_java_lang_VMRuntime_nativeLoad:");
+ utf_sprint(buffer + strlen((char *) data), data);
+ log_text(buffer);
+
+
+ MFREE(buffer, char, buffer_len);
+
+
+#ifndef STATIC_CLASSPATH
+ /*here it could be interesting to store the references in a list eg for nicely cleaning up or for certain platforms*/
+ if (dlopen(data->text,RTLD_NOW | RTLD_GLOBAL)) {
+ log_text("LIBLOADED");
+ retVal=1;
+ }
+#else
+ retVal=1;
+#endif
+
+ return retVal;
+}
+
+
+/*
+ * Class: java_lang_VMRuntime
+ * Method: nativeGetLibname
+ * Signature: (Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;
+ */
+JNIEXPORT java_lang_String* JNICALL Java_java_lang_VMRuntime_nativeGetLibname(JNIEnv *env, jclass clazz, java_lang_String *par1, java_lang_String *par2)
+{
+ char *buffer;
+ int buffer_len;
+ utf *data;
+ java_lang_String *resultString;
+ data = javastring_toutf(par2, 0);
+
+ if (!data) {
+ log_text("nativeGetLibName: Error: empty string");
+ return 0;;
+ }
+
+ buffer_len = utf_strlen(data) + 6 /*lib .so */ +1 /*0*/;
+ buffer = MNEW(char, buffer_len);
+ sprintf(buffer,"lib");
+ utf_sprint(buffer+3,data);
+ strcat(buffer,".so");
+#ifdef JOWENN_DEBUG
+ log_text("nativeGetLibName:");
+ log_text(buffer);
+#endif
+
+ resultString=javastring_new_char(buffer);
+
+ MFREE(buffer, char, buffer_len);
+ return resultString;
+}
+
+
+/*
+ * Class: java_lang_VMRuntime
+ * Method: insertSystemProperties
+ * Signature: (Ljava/util/Properties;)V
+ */
+JNIEXPORT void JNICALL Java_java_lang_VMRuntime_insertSystemProperties(JNIEnv *env, jclass clazz, java_util_Properties *p)
+{
+
+#define BUFFERSIZE 200
+ methodinfo *m;
+ char cwd[BUFFERSIZE];
+ char *java_home;
+ char *user;
+ char *home;
+ struct utsname utsnamebuf;
+
+ if (!p) {
+ *exceptionptr = new_exception(string_java_lang_NullPointerException);
+ return;
+ }
+
+ /* get properties from system */
+
+ (void) getcwd(cwd, BUFFERSIZE);
+ java_home = getenv("JAVA_HOME");
+ user = getenv("USER");
+ home = getenv("HOME");
+ uname(&utsnamebuf);
+
+ /* search for method to add properties */
+
+ m = class_resolveclassmethod(p->header.vftbl->class,
+ utf_new_char("put"),
+ utf_new_char("(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;"),
+ clazz,
+ true);
+
+ if (!m)
+ return;
+
+ insert_property(m, p, "java.version", VERSION);
+ insert_property(m, p, "java.vendor", "CACAO Team");
+ insert_property(m, p, "java.vendor.url", "http://www.complang.tuwien.ac.at/java/cacao/");
+ insert_property(m, p, "java.home", java_home ? java_home : "null");
+ insert_property(m, p, "java.vm.specification.version", "1.0");
+ insert_property(m, p, "java.vm.specification.vendor", "Sun Microsystems Inc.");
+ insert_property(m, p, "java.vm.specification.name", "Java Virtual Machine Specification");
+ insert_property(m, p, "java.vm.version", VERSION);
+ insert_property(m, p, "java.vm.vendor", "CACAO Team");
+ insert_property(m, p, "java.vm.name", "CACAO");
+ insert_property(m, p, "java.specification.version", "1.4");
+ insert_property(m, p, "java.specification.vendor", "Sun Microsystems Inc.");
+ insert_property(m, p, "java.specification.name", "Java Platform API Specification");
+ insert_property(m, p, "java.class.version", "48.0");
+ insert_property(m, p, "java.class.path", classpath);
+#if defined(STATIC_CLASSPATH)
+ insert_property(m, p, "java.library.path" , ".");
+#else
+ insert_property(m, p, "java.library.path" , getenv("LD_LIBRARY_PATH"));
+#endif
+ insert_property(m, p, "java.io.tmpdir", "/tmp");
+ insert_property(m, p, "java.compiler", "cacao.jit");
+ insert_property(m, p, "java.ext.dirs", "null");
+ insert_property(m, p, "os.name", utsnamebuf.sysname);
+ insert_property(m, p, "os.arch", utsnamebuf.machine);
+ insert_property(m, p, "os.version", utsnamebuf.release);
+ insert_property(m, p, "file.separator", "/");
+ /* insert_property(m, p, "file.encoding", "null"); -- this must be set properly */
+ insert_property(m, p, "path.separator", ":");
+ insert_property(m, p, "line.separator", "\n");
+ insert_property(m, p, "user.name", user ? user : "null");
+ insert_property(m, p, "user.home", home ? home : "null");
+ insert_property(m, p, "user.dir", cwd ? cwd : "null");
+
+#if 0
+ /* how do we get them? */
+ { "user.language", "en" },
+ { "user.region", "US" },
+ { "user.country", "US" },
+ { "user.timezone", "Europe/Vienna" },
+
+ /* XXX do we need this one? */
+ { "java.protocol.handler.pkgs", "gnu.java.net.protocol"}
+#endif
+
+ /* insert properties defined on commandline */
+
+ while (properties) {
+ property *tp;
+
+ insert_property(m, p, properties->key, properties->value);
+
+ tp = properties;
+ properties = properties->next;
+ FREE(tp, property);
+ }
+
+ return;
+}
+
+
+/*
+ * Class: java_lang_VMRuntime
+ * Method: maxMemory
+ * Signature: ()J
+ */
+JNIEXPORT s8 JNICALL Java_java_lang_VMRuntime_maxMemory(JNIEnv *env, jclass clazz)
+{
+ return gc_get_max_heap_size();
+}
+
+
+/*
+ * These are local overrides for various environment variables in Emacs.
+ * Please do not remove this and leave it at the end of the file, where
+ * Emacs will automagically detect them.
+ * ---------------------------------------------------------------------
+ * Local variables:
+ * mode: c
+ * indent-tabs-mode: t
+ * c-basic-offset: 4
+ * tab-width: 4
+ * End:
+ */
projects / cacao.git / blobdiff