-ansi -pedantic fixes.
[cacao.git] / src / native / vm / VMRuntime.c
index df823e0853a32b8e54799e37263250528d2c56f5..8f8c6b996ec7d067decd51f7472a1fe306821af0 100644 (file)
@@ -29,7 +29,7 @@
    Changes: Joseph Wenninger
             Christian Thalinger
 
-   $Id: VMRuntime.c 1067 2004-05-18 10:25:51Z stefan $
+   $Id: VMRuntime.c 1494 2004-11-12 13:34:26Z twisti $
 
 */
 
 #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 "mm/boehm.h"
 #include "toolbox/logging.h"
 #include "toolbox/memory.h"
-#include "java_io_File.h"
-#include "java_lang_String.h"
-#include "java_lang_Process.h"
-#include "java_util_Properties.h"    /* needed for java_lang_Runtime.h */
-#include "java_lang_Runtime.h"
-
-
-#define JOWENN_DEBUG
-
-
-#define MAXPROPS 100
-static int activeprops = 19;  
-   
-static char *proplist[MAXPROPS][2] = {
-       { "java.class.path", NULL },
-       { "java.home", NULL },
-       { "user.home", NULL },  
-       { "user.name", NULL },
-       { "user.dir",  NULL },
-                                
-       { "os.arch", NULL },
-       { "os.name", NULL },
-       { "os.version", NULL },
-                                         
-       { "java.class.version", "45.3" },
-       { "java.version", PACKAGE":"VERSION },
-       { "java.vendor", "CACAO Team" },
-       { "java.vendor.url", "http://www.complang.tuwien.ac.at/java/cacao/" },
-       { "java.vm.name", "CACAO"}, 
-       { "java.tmpdir", "/tmp/"},
-       { "java.io.tmpdir", "/tmp/"},
-
-       { "path.separator", ":" },
-       { "file.separator", "/" },
-       { "line.separator", "\n" },
-       { "java.protocol.handler.pkgs", "gnu.java.net.protocol"}
+#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 */
+/*
+#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;
 };
 
-void attach_property(char *name, char *value)
+static property *properties = NULL;
+
+
+/* create_property *************************************************************
+
+   Create a property entry for a command line property definition.
+
+*******************************************************************************/
+
+void create_property(char *key, char *value)
 {
-        if (activeprops >= MAXPROPS) panic("Too many properties defined");
-        proplist[activeprops][0] = name;
-        proplist[activeprops][1] = value;
-        activeprops++;
+       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_Runtime
+ * Class:     java_lang_VMRuntime
  * Method:    execInternal
  * Signature: ([Ljava/lang/String;[Ljava/lang/String;Ljava/io/File;)Ljava/lang/Process;
  */
-JNIEXPORT java_lang_Process* JNICALL Java_java_lang_Runtime_execInternal(JNIEnv *env, java_lang_Runtime *this, java_objectarray *cmd, java_objectarray *shellenv, java_io_File *workingdir)
+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");
 
@@ -106,12 +136,15 @@ JNIEXPORT java_lang_Process* JNICALL Java_java_lang_Runtime_execInternal(JNIEnv
 
 
 /*
- * Class:     java/lang/Runtime
+ * Class:     java/lang/VMRuntime
  * Method:    exitInternal
  * Signature: (I)V
  */
-JNIEXPORT void JNICALL Java_java_lang_Runtime_exitInternal(JNIEnv *env, java_lang_Runtime *this, s4 par1)
+JNIEXPORT void JNICALL Java_java_lang_VMRuntime_exit(JNIEnv *env, jclass clazz, s4 par1)
 {
+       if (finalizeOnExit)
+               gc_finalize_all();
+
        cacao_shutdown(par1);
 }
 
@@ -121,7 +154,7 @@ JNIEXPORT void JNICALL Java_java_lang_Runtime_exitInternal(JNIEnv *env, java_lan
  * Method:    freeMemory
  * Signature: ()J
  */
-JNIEXPORT s8 JNICALL Java_java_lang_Runtime_freeMemory(JNIEnv *env, java_lang_Runtime *this)
+JNIEXPORT s8 JNICALL Java_java_lang_VMRuntime_freeMemory(JNIEnv *env, jclass clazz)
 {
        return gc_get_free_bytes();
 }
@@ -132,7 +165,7 @@ JNIEXPORT s8 JNICALL Java_java_lang_Runtime_freeMemory(JNIEnv *env, java_lang_Ru
  * Method:    gc
  * Signature: ()V
  */
-JNIEXPORT void JNICALL Java_java_lang_Runtime_gc(JNIEnv *env, java_lang_Runtime *this)
+JNIEXPORT void JNICALL Java_java_lang_VMRuntime_gc(JNIEnv *env, jclass clazz)
 {
        gc_call();
 }
@@ -143,9 +176,9 @@ JNIEXPORT void JNICALL Java_java_lang_Runtime_gc(JNIEnv *env, java_lang_Runtime
  * Method:    runFinalization
  * Signature: ()V
  */
-JNIEXPORT void JNICALL Java_java_lang_Runtime_runFinalization(JNIEnv *env, java_lang_Runtime *this)
+JNIEXPORT void JNICALL Java_java_lang_VMRuntime_runFinalization(JNIEnv *env, jclass clazz)
 {
-       gc_finalize_all();
+       gc_invoke_finalizers();
 }
 
 
@@ -154,9 +187,30 @@ JNIEXPORT void JNICALL Java_java_lang_Runtime_runFinalization(JNIEnv *env, java_
  * Method:    runFinalizersOnExit
  * Signature: (Z)V
  */
-JNIEXPORT void JNICALL Java_java_lang_Runtime_runFinalizersOnExitInternal(JNIEnv *env, jclass clazz, 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();*/
 }
 
 
@@ -165,7 +219,7 @@ JNIEXPORT void JNICALL Java_java_lang_Runtime_runFinalizersOnExitInternal(JNIEnv
  * Method:    totalMemory
  * Signature: ()J
  */
-JNIEXPORT s8 JNICALL Java_java_lang_Runtime_totalMemory(JNIEnv *env, java_lang_Runtime *this)
+JNIEXPORT s8 JNICALL Java_java_lang_VMRuntime_totalMemory(JNIEnv *env, jclass clazz)
 {
        return gc_get_heap_size();
 }
@@ -176,7 +230,7 @@ JNIEXPORT s8 JNICALL Java_java_lang_Runtime_totalMemory(JNIEnv *env, java_lang_R
  * Method:    traceInstructions
  * Signature: (Z)V
  */
-JNIEXPORT void JNICALL Java_java_lang_Runtime_traceInstructions(JNIEnv *env, java_lang_Runtime *this, s4 par1)
+JNIEXPORT void JNICALL Java_java_lang_VMRuntime_traceInstructions(JNIEnv *env, jclass clazz, s4 par1)
 {
        /* not supported */
 }
@@ -187,7 +241,7 @@ JNIEXPORT void JNICALL Java_java_lang_Runtime_traceInstructions(JNIEnv *env, jav
  * Method:    traceMethodCalls
  * Signature: (Z)V
  */
-JNIEXPORT void JNICALL Java_java_lang_Runtime_traceMethodCalls(JNIEnv *env, java_lang_Runtime *this, s4 par1)
+JNIEXPORT void JNICALL Java_java_lang_VMRuntime_traceMethodCalls(JNIEnv *env, jclass clazz, s4 par1)
 {
        /* not supported */
 }
@@ -198,7 +252,7 @@ JNIEXPORT void JNICALL Java_java_lang_Runtime_traceMethodCalls(JNIEnv *env, java
  * Method:    availableProcessors
  * Signature: ()I
  */
-JNIEXPORT s4 JNICALL Java_java_lang_Runtime_availableProcessors(JNIEnv *env, java_lang_Runtime *this)
+JNIEXPORT s4 JNICALL Java_java_lang_VMRuntime_availableProcessors(JNIEnv *env, jclass clazz)
 {
 #if defined(_SC_NPROC_ONLN)
        return (s4) sysconf(_SC_NPROC_ONLN);
@@ -206,6 +260,33 @@ JNIEXPORT s4 JNICALL Java_java_lang_Runtime_availableProcessors(JNIEnv *env, jav
 #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
@@ -217,13 +298,16 @@ JNIEXPORT s4 JNICALL Java_java_lang_Runtime_availableProcessors(JNIEnv *env, jav
  * Method:    nativeLoad
  * Signature: (Ljava/lang/String;)I
  */
-JNIEXPORT s4 JNICALL Java_java_lang_Runtime_nativeLoad(JNIEnv *env, java_lang_Runtime *this, java_lang_String *par1)
+JNIEXPORT s4 JNICALL Java_java_lang_VMRuntime_nativeLoad(JNIEnv *env, jclass clazz, java_lang_String *par1)
 {
-#ifdef JOWENN_DEBUG    
+       int retVal=0;
+
        char *buffer;
        int buffer_len;
        utf *data;
-       
+
+       log_text("Java_java_lang_VMRuntime_nativeLoad");
+
        data = javastring_toutf(par1, 0);
        
        if (!data) {
@@ -235,31 +319,39 @@ JNIEXPORT s4 JNICALL Java_java_lang_Runtime_nativeLoad(JNIEnv *env, java_lang_Ru
 
                
        buffer = MNEW(char, buffer_len);
-
-       strcpy(buffer, "Java_java_lang_Runtime_nativeLoad:");
+       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
-       log_text("Java_java_lang_Runtime_nativeLoad");
 
-       return 1;
+       return retVal;
 }
 
 
 /*
- * Class:     java_lang_Runtime
+ * Class:     java_lang_VMRuntime
  * Method:    nativeGetLibname
  * Signature: (Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;
  */
-JNIEXPORT java_lang_String* JNICALL Java_java_lang_Runtime_nativeGetLibname(JNIEnv *env, jclass clazz, java_lang_String *par1, java_lang_String *par2)
+JNIEXPORT java_lang_String* JNICALL Java_java_lang_VMRuntime_nativeGetLibname(JNIEnv *env, jclass clazz, java_lang_String *par1, java_lang_String *par2)
 {
-#ifdef JOWENN_DEBUG    
        char *buffer;
        int buffer_len;
        utf *data;
-       
+       java_lang_String *resultString; 
        data = javastring_toutf(par2, 0);
        
        if (!data) {
@@ -267,76 +359,118 @@ JNIEXPORT java_lang_String* JNICALL Java_java_lang_Runtime_nativeGetLibname(JNIE
                return 0;;
        }
        
-       buffer_len = utf_strlen(data) + 40;
-       
+       buffer_len = utf_strlen(data) + 6 /*lib .so */ +1 /*0*/;
        buffer = MNEW(char, buffer_len);
-
-       strcpy(buffer, "Java_java_lang_Runtime_nativeGetLibname:");
-       utf_sprint(buffer + strlen((char *) data), data);
-       log_text(buffer);       
-
-       MFREE(buffer, char, buffer_len);
+       sprintf(buffer,"lib");
+       utf_sprint(buffer+3,data);
+       strcat(buffer,".so");
+#ifdef JOWENN_DEBUG
+        log_text("nativeGetLibName:");
+       log_text(buffer);
 #endif
-       log_text("Java_java_lang_Runtime_nativeGetLibname");
+       
+       resultString=javastring_new_char(buffer);       
 
-       return 0;
+       MFREE(buffer, char, buffer_len);
+       return resultString;
 }
 
 
 /*
- * Class:     java_lang_Runtime
+ * Class:     java_lang_VMRuntime
  * Method:    insertSystemProperties
  * Signature: (Ljava/util/Properties;)V
  */
-JNIEXPORT void JNICALL Java_java_lang_Runtime_insertSystemProperties(JNIEnv *env, jclass clazz, java_util_Properties *p)
+JNIEXPORT void JNICALL Java_java_lang_VMRuntime_insertSystemProperties(JNIEnv *env, jclass clazz, java_util_Properties *p)
 {
 
 #define BUFFERSIZE 200
-       u4 i;
        methodinfo *m;
-       char buffer[BUFFERSIZE];
+       char cwd[BUFFERSIZE];
+       char *java_home;
+       char *user;
+       char *home;
        struct utsname utsnamebuf;
 
-       proplist[0][1] = classpath;
-       proplist[1][1] = getenv("JAVA_HOME");
-       proplist[2][1] = getenv("HOME");
-       proplist[3][1] = getenv("USER");
-       proplist[4][1] = getcwd(buffer, BUFFERSIZE);
-
-       /* get properties from system */
-       uname(&utsnamebuf);
-       proplist[5][1] = utsnamebuf.machine;
-       proplist[6][1] = utsnamebuf.sysname;
-       proplist[7][1] = utsnamebuf.release;
-
        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_resolvemethod(p->header.vftbl->class,
-                                                       utf_new_char("put"),
-                                                       utf_new_char("(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;")
-                                                       );
-
-       if (!m) {
-               *exceptionptr = new_exception_message(string_java_lang_NoSuchMethodError,
-                                                                                         "java.lang.Properties.put(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;)");
+
+       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;
-       }
 
-       /* add the properties */
-       for (i = 0; i < activeprops; i++) {
+       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 */
 
-               if (proplist[i][1] == NULL) proplist[i][1] = "";
+       while (properties) {
+               property *tp;
 
-               asm_calljavafunction(m,
-                                                        p,
-                                                        javastring_new_char(proplist[i][0]),
-                                                        javastring_new_char(proplist[i][1]),
-                                                        NULL
-                                                        );
+               insert_property(m, p, properties->key, properties->value);
+
+               tp = properties;
+               properties = properties->next;
+               FREE(tp, property);
        }
 
        return;
@@ -344,11 +478,11 @@ JNIEXPORT void JNICALL Java_java_lang_Runtime_insertSystemProperties(JNIEnv *env
 
 
 /*
- * Class:     java_lang_Runtime
+ * Class:     java_lang_VMRuntime
  * Method:    maxMemory
  * Signature: ()J
  */
-JNIEXPORT s8 JNICALL Java_java_lang_Runtime_maxMemory(JNIEnv *env, java_lang_Runtime *this)
+JNIEXPORT s8 JNICALL Java_java_lang_VMRuntime_maxMemory(JNIEnv *env, jclass clazz)
 {
        return gc_get_max_heap_size();
 }