--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/java.base/share/native/libjava/System.c Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,509 @@
+/*
+ * Copyright (c) 1994, 2016, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation. Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code 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
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+#include <string.h>
+
+#include "jni.h"
+#include "jni_util.h"
+#include "jvm.h"
+#include "java_props.h"
+
+#include "java_lang_System.h"
+
+#define OBJ "Ljava/lang/Object;"
+
+/* Only register the performance-critical methods */
+static JNINativeMethod methods[] = {
+ {"currentTimeMillis", "()J", (void *)&JVM_CurrentTimeMillis},
+ {"nanoTime", "()J", (void *)&JVM_NanoTime},
+ {"arraycopy", "(" OBJ "I" OBJ "II)V", (void *)&JVM_ArrayCopy},
+};
+
+#undef OBJ
+
+JNIEXPORT void JNICALL
+Java_java_lang_System_registerNatives(JNIEnv *env, jclass cls)
+{
+ (*env)->RegisterNatives(env, cls,
+ methods, sizeof(methods)/sizeof(methods[0]));
+}
+
+JNIEXPORT jint JNICALL
+Java_java_lang_System_identityHashCode(JNIEnv *env, jobject this, jobject x)
+{
+ return JVM_IHashCode(env, x);
+}
+
+#define PUTPROP(props, key, val) \
+ if (1) { \
+ jstring jkey, jval; \
+ jobject r; \
+ jkey = (*env)->NewStringUTF(env, key); \
+ if (jkey == NULL) return NULL; \
+ jval = (*env)->NewStringUTF(env, val); \
+ if (jval == NULL) return NULL; \
+ r = (*env)->CallObjectMethod(env, props, putID, jkey, jval); \
+ if ((*env)->ExceptionOccurred(env)) return NULL; \
+ (*env)->DeleteLocalRef(env, jkey); \
+ (*env)->DeleteLocalRef(env, jval); \
+ (*env)->DeleteLocalRef(env, r); \
+ } else ((void) 0)
+
+/* "key" is a char type string with only ASCII character in it.
+ "val" is a nchar (typedefed in java_props.h) type string */
+
+#define PUTPROP_ForPlatformNString(props, key, val) \
+ if (1) { \
+ jstring jkey, jval; \
+ jobject r; \
+ jkey = (*env)->NewStringUTF(env, key); \
+ if (jkey == NULL) return NULL; \
+ jval = GetStringPlatform(env, val); \
+ if (jval == NULL) return NULL; \
+ r = (*env)->CallObjectMethod(env, props, putID, jkey, jval); \
+ if ((*env)->ExceptionOccurred(env)) return NULL; \
+ (*env)->DeleteLocalRef(env, jkey); \
+ (*env)->DeleteLocalRef(env, jval); \
+ (*env)->DeleteLocalRef(env, r); \
+ } else ((void) 0)
+#define REMOVEPROP(props, key) \
+ if (1) { \
+ jstring jkey; \
+ jobject r; \
+ jkey = JNU_NewStringPlatform(env, key); \
+ if (jkey == NULL) return NULL; \
+ r = (*env)->CallObjectMethod(env, props, removeID, jkey); \
+ if ((*env)->ExceptionOccurred(env)) return NULL; \
+ (*env)->DeleteLocalRef(env, jkey); \
+ (*env)->DeleteLocalRef(env, r); \
+ } else ((void) 0)
+#define GETPROP(props, key, jret) \
+ if (1) { \
+ jstring jkey = JNU_NewStringPlatform(env, key); \
+ if (jkey == NULL) return NULL; \
+ jret = (*env)->CallObjectMethod(env, props, getPropID, jkey); \
+ if ((*env)->ExceptionOccurred(env)) return NULL; \
+ (*env)->DeleteLocalRef(env, jkey); \
+ } else ((void) 0)
+
+#ifndef VENDOR /* Third party may overwrite this. */
+#define VENDOR "Oracle Corporation"
+#define VENDOR_URL "http://java.oracle.com/"
+#define VENDOR_URL_BUG "http://bugreport.java.com/bugreport/"
+#endif
+
+#define JAVA_MAX_SUPPORTED_VERSION 53
+#define JAVA_MAX_SUPPORTED_MINOR_VERSION 0
+
+#ifdef JAVA_SPECIFICATION_VENDOR /* Third party may NOT overwrite this. */
+ #error "ERROR: No override of JAVA_SPECIFICATION_VENDOR is allowed"
+#else
+ #define JAVA_SPECIFICATION_VENDOR "Oracle Corporation"
+#endif
+
+static int fmtdefault; // boolean value
+jobject fillI18nProps(JNIEnv *env, jobject props, char *baseKey,
+ char *platformDispVal, char *platformFmtVal,
+ jmethodID putID, jmethodID getPropID) {
+ jstring jVMBaseVal = NULL;
+
+ GETPROP(props, baseKey, jVMBaseVal);
+ if (jVMBaseVal) {
+ // user specified the base property. there's nothing to do here.
+ (*env)->DeleteLocalRef(env, jVMBaseVal);
+ } else {
+ char buf[64];
+ jstring jVMVal = NULL;
+ const char *baseVal = "";
+
+ /* user.xxx base property */
+ if (fmtdefault) {
+ if (platformFmtVal) {
+ PUTPROP(props, baseKey, platformFmtVal);
+ baseVal = platformFmtVal;
+ }
+ } else {
+ if (platformDispVal) {
+ PUTPROP(props, baseKey, platformDispVal);
+ baseVal = platformDispVal;
+ }
+ }
+
+ /* user.xxx.display property */
+ jio_snprintf(buf, sizeof(buf), "%s.display", baseKey);
+ GETPROP(props, buf, jVMVal);
+ if (jVMVal == NULL) {
+ if (platformDispVal && (strcmp(baseVal, platformDispVal) != 0)) {
+ PUTPROP(props, buf, platformDispVal);
+ }
+ } else {
+ (*env)->DeleteLocalRef(env, jVMVal);
+ }
+
+ /* user.xxx.format property */
+ jio_snprintf(buf, sizeof(buf), "%s.format", baseKey);
+ GETPROP(props, buf, jVMVal);
+ if (jVMVal == NULL) {
+ if (platformFmtVal && (strcmp(baseVal, platformFmtVal) != 0)) {
+ PUTPROP(props, buf, platformFmtVal);
+ }
+ } else {
+ (*env)->DeleteLocalRef(env, jVMVal);
+ }
+ }
+
+ return NULL;
+}
+
+JNIEXPORT jobject JNICALL
+Java_java_lang_System_initProperties(JNIEnv *env, jclass cla, jobject props)
+{
+ char buf[128];
+ java_props_t *sprops;
+ jmethodID putID, removeID, getPropID;
+ jobject ret = NULL;
+ jstring jVMVal = NULL;
+
+ sprops = GetJavaProperties(env);
+ CHECK_NULL_RETURN(sprops, NULL);
+
+ putID = (*env)->GetMethodID(env,
+ (*env)->GetObjectClass(env, props),
+ "put",
+ "(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;");
+ CHECK_NULL_RETURN(putID, NULL);
+
+ removeID = (*env)->GetMethodID(env,
+ (*env)->GetObjectClass(env, props),
+ "remove",
+ "(Ljava/lang/Object;)Ljava/lang/Object;");
+ CHECK_NULL_RETURN(removeID, NULL);
+
+ getPropID = (*env)->GetMethodID(env,
+ (*env)->GetObjectClass(env, props),
+ "getProperty",
+ "(Ljava/lang/String;)Ljava/lang/String;");
+ CHECK_NULL_RETURN(getPropID, NULL);
+
+ PUTPROP(props, "java.specification.version",
+ VERSION_SPECIFICATION);
+ PUTPROP(props, "java.specification.name",
+ "Java Platform API Specification");
+ PUTPROP(props, "java.specification.vendor",
+ JAVA_SPECIFICATION_VENDOR);
+
+ PUTPROP(props, "java.version", VERSION_SHORT);
+ PUTPROP(props, "java.vendor", VENDOR);
+ PUTPROP(props, "java.vendor.url", VENDOR_URL);
+ PUTPROP(props, "java.vendor.url.bug", VENDOR_URL_BUG);
+
+ jio_snprintf(buf, sizeof(buf), "%d.%d", JAVA_MAX_SUPPORTED_VERSION,
+ JAVA_MAX_SUPPORTED_MINOR_VERSION);
+ PUTPROP(props, "java.class.version", buf);
+
+ if (sprops->awt_toolkit) {
+ PUTPROP(props, "awt.toolkit", sprops->awt_toolkit);
+ }
+#ifdef MACOSX
+ if (sprops->awt_headless) {
+ PUTPROP(props, "java.awt.headless", sprops->awt_headless);
+ }
+#endif
+
+ /* os properties */
+ PUTPROP(props, "os.name", sprops->os_name);
+ PUTPROP(props, "os.version", sprops->os_version);
+ PUTPROP(props, "os.arch", sprops->os_arch);
+
+#ifdef JDK_ARCH_ABI_PROP_NAME
+ PUTPROP(props, "sun.arch.abi", sprops->sun_arch_abi);
+#endif
+
+ /* file system properties */
+ PUTPROP(props, "file.separator", sprops->file_separator);
+ PUTPROP(props, "path.separator", sprops->path_separator);
+ PUTPROP(props, "line.separator", sprops->line_separator);
+
+ /*
+ * user.language
+ * user.script, user.country, user.variant (if user's environment specifies them)
+ * file.encoding
+ * file.encoding.pkg
+ */
+ PUTPROP(props, "user.language", sprops->language);
+ if (sprops->script) {
+ PUTPROP(props, "user.script", sprops->script);
+ }
+ if (sprops->country) {
+ PUTPROP(props, "user.country", sprops->country);
+ }
+ if (sprops->variant) {
+ PUTPROP(props, "user.variant", sprops->variant);
+ }
+ PUTPROP(props, "file.encoding", sprops->encoding);
+ PUTPROP(props, "sun.jnu.encoding", sprops->sun_jnu_encoding);
+ if (sprops->sun_stdout_encoding != NULL) {
+ PUTPROP(props, "sun.stdout.encoding", sprops->sun_stdout_encoding);
+ }
+ if (sprops->sun_stderr_encoding != NULL) {
+ PUTPROP(props, "sun.stderr.encoding", sprops->sun_stderr_encoding);
+ }
+ PUTPROP(props, "file.encoding.pkg", "sun.io");
+
+ /* unicode_encoding specifies the default endianness */
+ PUTPROP(props, "sun.io.unicode.encoding", sprops->unicode_encoding);
+ PUTPROP(props, "sun.cpu.isalist",
+ (sprops->cpu_isalist ? sprops->cpu_isalist : ""));
+ PUTPROP(props, "sun.cpu.endian", sprops->cpu_endian);
+
+
+#ifdef MACOSX
+ /* Proxy setting properties */
+ if (sprops->httpProxyEnabled) {
+ PUTPROP(props, "http.proxyHost", sprops->httpHost);
+ PUTPROP(props, "http.proxyPort", sprops->httpPort);
+ }
+
+ if (sprops->httpsProxyEnabled) {
+ PUTPROP(props, "https.proxyHost", sprops->httpsHost);
+ PUTPROP(props, "https.proxyPort", sprops->httpsPort);
+ }
+
+ if (sprops->ftpProxyEnabled) {
+ PUTPROP(props, "ftp.proxyHost", sprops->ftpHost);
+ PUTPROP(props, "ftp.proxyPort", sprops->ftpPort);
+ }
+
+ if (sprops->socksProxyEnabled) {
+ PUTPROP(props, "socksProxyHost", sprops->socksHost);
+ PUTPROP(props, "socksProxyPort", sprops->socksPort);
+ }
+
+ if (sprops->gopherProxyEnabled) {
+ // The gopher client is different in that it expects an 'is this set?' flag that the others don't.
+ PUTPROP(props, "gopherProxySet", "true");
+ PUTPROP(props, "gopherProxyHost", sprops->gopherHost);
+ PUTPROP(props, "gopherProxyPort", sprops->gopherPort);
+ } else {
+ PUTPROP(props, "gopherProxySet", "false");
+ }
+
+ // Mac OS X only has a single proxy exception list which applies
+ // to all protocols
+ if (sprops->exceptionList) {
+ PUTPROP(props, "http.nonProxyHosts", sprops->exceptionList);
+ PUTPROP(props, "ftp.nonProxyHosts", sprops->exceptionList);
+ PUTPROP(props, "socksNonProxyHosts", sprops->exceptionList);
+ }
+#endif
+
+ /* !!! DO NOT call PUTPROP_ForPlatformNString before this line !!!
+ * !!! I18n properties have not been set up yet !!!
+ */
+
+ /* Printing properties */
+ /* Note: java.awt.printerjob is an implementation private property which
+ * just happens to have a java.* name because it is referenced in
+ * a java.awt class. It is the mechanism by which the implementation
+ * finds the appropriate class in the JRE for the platform.
+ * It is explicitly not designed to be overridden by clients as
+ * a way of replacing the implementation class, and in any case
+ * the mechanism by which the class is loaded is constrained to only
+ * find and load classes that are part of the JRE.
+ * This property may be removed if that mechanism is redesigned
+ */
+ PUTPROP(props, "java.awt.printerjob", sprops->printerJob);
+
+ /* data model */
+ if (sizeof(sprops) == 4) {
+ sprops->data_model = "32";
+ } else if (sizeof(sprops) == 8) {
+ sprops->data_model = "64";
+ } else {
+ sprops->data_model = "unknown";
+ }
+ PUTPROP(props, "sun.arch.data.model", \
+ sprops->data_model);
+
+ /* patch level */
+ PUTPROP(props, "sun.os.patch.level", \
+ sprops->patch_level);
+
+ /* Java2D properties */
+ /* Note: java.awt.graphicsenv is an implementation private property which
+ * just happens to have a java.* name because it is referenced in
+ * a java.awt class. It is the mechanism by which the implementation
+ * finds the appropriate class in the JRE for the platform.
+ * It is explicitly not designed to be overridden by clients as
+ * a way of replacing the implementation class, and in any case
+ * the mechanism by which the class is loaded is constrained to only
+ * find and load classes that are part of the JRE.
+ * This property may be removed if that mechanism is redesigned
+ */
+ PUTPROP(props, "java.awt.graphicsenv", sprops->graphics_env);
+ if (sprops->font_dir != NULL) {
+ PUTPROP_ForPlatformNString(props,
+ "sun.java2d.fontpath", sprops->font_dir);
+ }
+
+ PUTPROP_ForPlatformNString(props, "java.io.tmpdir", sprops->tmp_dir);
+
+ PUTPROP_ForPlatformNString(props, "user.name", sprops->user_name);
+ PUTPROP_ForPlatformNString(props, "user.home", sprops->user_home);
+
+ PUTPROP(props, "user.timezone", sprops->timezone);
+
+ PUTPROP_ForPlatformNString(props, "user.dir", sprops->user_dir);
+
+ /* This is a sun. property as it is currently only set for Gnome and
+ * Windows desktops.
+ */
+ if (sprops->desktop != NULL) {
+ PUTPROP(props, "sun.desktop", sprops->desktop);
+ }
+
+ /*
+ * unset "user.language", "user.script", "user.country", and "user.variant"
+ * in order to tell whether the command line option "-DXXXX=YYYY" is
+ * specified or not. They will be reset in fillI18nProps() below.
+ */
+ REMOVEPROP(props, "user.language");
+ REMOVEPROP(props, "user.script");
+ REMOVEPROP(props, "user.country");
+ REMOVEPROP(props, "user.variant");
+ REMOVEPROP(props, "file.encoding");
+
+ ret = JVM_InitProperties(env, props);
+
+ /* Check the compatibility flag */
+ GETPROP(props, "sun.locale.formatasdefault", jVMVal);
+ if (jVMVal) {
+ const char * val = (*env)->GetStringUTFChars(env, jVMVal, 0);
+ CHECK_NULL_RETURN(val, NULL);
+ fmtdefault = !strcmp(val, "true");
+ (*env)->ReleaseStringUTFChars(env, jVMVal, val);
+ (*env)->DeleteLocalRef(env, jVMVal);
+ }
+
+ /* reconstruct i18n related properties */
+ fillI18nProps(env, props, "user.language", sprops->display_language,
+ sprops->format_language, putID, getPropID);
+ fillI18nProps(env, props, "user.script",
+ sprops->display_script, sprops->format_script, putID, getPropID);
+ fillI18nProps(env, props, "user.country",
+ sprops->display_country, sprops->format_country, putID, getPropID);
+ fillI18nProps(env, props, "user.variant",
+ sprops->display_variant, sprops->format_variant, putID, getPropID);
+ GETPROP(props, "file.encoding", jVMVal);
+ if (jVMVal == NULL) {
+#ifdef MACOSX
+ /*
+ * Since sun_jnu_encoding is now hard-coded to UTF-8 on Mac, we don't
+ * want to use it to overwrite file.encoding
+ */
+ PUTPROP(props, "file.encoding", sprops->encoding);
+#else
+ if (fmtdefault) {
+ PUTPROP(props, "file.encoding", sprops->encoding);
+ } else {
+ PUTPROP(props, "file.encoding", sprops->sun_jnu_encoding);
+ }
+#endif
+ } else {
+ (*env)->DeleteLocalRef(env, jVMVal);
+ }
+
+ return ret;
+}
+
+/*
+ * The following three functions implement setter methods for
+ * java.lang.System.{in, out, err}. They are natively implemented
+ * because they violate the semantics of the language (i.e. set final
+ * variable).
+ */
+JNIEXPORT void JNICALL
+Java_java_lang_System_setIn0(JNIEnv *env, jclass cla, jobject stream)
+{
+ jfieldID fid =
+ (*env)->GetStaticFieldID(env,cla,"in","Ljava/io/InputStream;");
+ if (fid == 0)
+ return;
+ (*env)->SetStaticObjectField(env,cla,fid,stream);
+}
+
+JNIEXPORT void JNICALL
+Java_java_lang_System_setOut0(JNIEnv *env, jclass cla, jobject stream)
+{
+ jfieldID fid =
+ (*env)->GetStaticFieldID(env,cla,"out","Ljava/io/PrintStream;");
+ if (fid == 0)
+ return;
+ (*env)->SetStaticObjectField(env,cla,fid,stream);
+}
+
+JNIEXPORT void JNICALL
+Java_java_lang_System_setErr0(JNIEnv *env, jclass cla, jobject stream)
+{
+ jfieldID fid =
+ (*env)->GetStaticFieldID(env,cla,"err","Ljava/io/PrintStream;");
+ if (fid == 0)
+ return;
+ (*env)->SetStaticObjectField(env,cla,fid,stream);
+}
+
+static void cpchars(jchar *dst, char *src, int n)
+{
+ int i;
+ for (i = 0; i < n; i++) {
+ dst[i] = src[i];
+ }
+}
+
+JNIEXPORT jstring JNICALL
+Java_java_lang_System_mapLibraryName(JNIEnv *env, jclass ign, jstring libname)
+{
+ int len;
+ int prefix_len = (int) strlen(JNI_LIB_PREFIX);
+ int suffix_len = (int) strlen(JNI_LIB_SUFFIX);
+
+ jchar chars[256];
+ if (libname == NULL) {
+ JNU_ThrowNullPointerException(env, 0);
+ return NULL;
+ }
+ len = (*env)->GetStringLength(env, libname);
+ if (len > 240) {
+ JNU_ThrowIllegalArgumentException(env, "name too long");
+ return NULL;
+ }
+ cpchars(chars, JNI_LIB_PREFIX, prefix_len);
+ (*env)->GetStringRegion(env, libname, 0, len, chars + prefix_len);
+ len += prefix_len;
+ cpchars(chars + len, JNI_LIB_SUFFIX, suffix_len);
+ len += suffix_len;
+
+ return (*env)->NewString(env, chars, len);
+}