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dragonwell8_jdk

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dragonwell8_jdk
提交 731c5844 编写于 作者: T tbell
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上级 d8da1f94 1b95ba6d
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Showing with 1064 addition and 295 deletion
make/java/java/FILES_java.gmk
浏览文件 @ 731c5844
......@@ -449,6 +449,7 @@ JAVA_JAVA_java = \
sun/misc/JavaLangAccess.java \
sun/misc/JavaIOAccess.java \
sun/misc/JavaIODeleteOnExitAccess.java \
sun/misc/JavaIOFileDescriptorAccess.java
sun/misc/JavaIOFileDescriptorAccess.java \
sun/misc/JavaNioAccess.java
FILES_java = $(JAVA_JAVA_java)
make/java/jli/Makefile
浏览文件 @ 731c5844
......@@ -113,7 +113,11 @@ ifeq ($(PLATFORM), windows)
JAVALIB =
OTHER_LCF = -export:JLI_Launch \
-export:JLI_ManifestIterate \
-export:JLI_SetTraceLauncher
-export:JLI_SetTraceLauncher \
-export:JLI_ReportErrorMessage \
-export:JLI_ReportErrorMessageSys \
-export:JLI_ReportMessage \
-export:JLI_ReportExceptionDescription
endif
......
make/java/jli/mapfile-vers
浏览文件 @ 731c5844
#
# Copyright 2005-2006 Sun Microsystems, Inc. All Rights Reserved.
# Copyright 2005-2008 Sun Microsystems, Inc. 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
......@@ -30,6 +30,10 @@ SUNWprivate_1.1 {
JLI_Launch;
JLI_ManifestIterate;
JLI_SetTraceLauncher;
JLI_ReportErrorMessage;
JLI_ReportErrorMessageSys;
JLI_ReportMessage;
JLI_ReportExceptionDescription;
local:
*;
};
make/java/nio/FILES_java.gmk
浏览文件 @ 731c5844
......@@ -26,6 +26,7 @@
FILES_src = \
java/nio/Bits.java \
java/nio/Buffer.java \
java/nio/BufferPoolMXBean.java \
java/nio/ByteOrder.java \
java/nio/MappedByteBuffer.java \
java/nio/StringCharBuffer.java \
......
make/java/nio/mapfile-linux
浏览文件 @ 731c5844
......@@ -18,6 +18,8 @@ SUNWprivate_1.1 {
Java_sun_nio_ch_EPollArrayWrapper_fdLimit;
Java_sun_nio_ch_EPollArrayWrapper_init;
Java_sun_nio_ch_EPollArrayWrapper_interrupt;
Java_sun_nio_ch_EPollArrayWrapper_offsetofData;
Java_sun_nio_ch_EPollArrayWrapper_sizeofEPollEvent;
Java_sun_nio_ch_FileChannelImpl_close0;
Java_sun_nio_ch_FileChannelImpl_force0;
Java_sun_nio_ch_FileChannelImpl_initIDs;
......
src/share/bin/emessages.h
浏览文件 @ 731c5844
......@@ -25,8 +25,8 @@
/*
* This file primarily consists of all the error and warning messages, that
* are used in ReportErrorMessage. All message must be defined here, in order
* to help in I18N/L10N the messages.
* are used in JLI_ReportErrorMessage. All message must be defined here, in
* order to help with localizing the messages.
*/
#ifndef _EMESSAGES_H
......
src/share/bin/java.c
浏览文件 @ 731c5844
......@@ -148,7 +148,7 @@ static void ShowSplashScreen();
static jboolean IsWildCardEnabled();
#define ARG_CHECK(n, f, a) if (n < 1) { \
ReportErrorMessage(f, a); \
JLI_ReportErrorMessage(f, a); \
printUsage = JNI_TRUE; \
*pret = 1; \
return JNI_TRUE; \
......@@ -326,15 +326,15 @@ JavaMain(void * _args)
start = CounterGet();
if (!InitializeJVM(&vm, &env, &ifn)) {
ReportErrorMessage(JVM_ERROR1);
JLI_ReportErrorMessage(JVM_ERROR1);
exit(1);
}
if (printVersion || showVersion) {
PrintJavaVersion(env, showVersion);
if ((*env)->ExceptionOccurred(env)) {
ReportExceptionDescription(env);
ReportErrorMessage(JNI_ERROR);
JLI_ReportExceptionDescription(env);
JLI_ReportErrorMessage(JNI_ERROR);
goto leave;
}
if (printVersion) {
......@@ -347,8 +347,8 @@ JavaMain(void * _args)
if (printXUsage || printUsage || (jarfile == 0 && classname == 0)) {
PrintUsage(env, printXUsage);
if ((*env)->ExceptionOccurred(env)) {
ReportExceptionDescription(env);
ReportErrorMessage(JNI_ERROR);
JLI_ReportExceptionDescription(env);
JLI_ReportErrorMessage(JNI_ERROR);
ret=1;
}
goto leave;
......@@ -397,43 +397,43 @@ JavaMain(void * _args)
if (jarfile != 0) {
mainClassName = GetMainClassName(env, jarfile);
if ((*env)->ExceptionOccurred(env)) {
ReportExceptionDescription(env);
ReportErrorMessage(JNI_ERROR);
JLI_ReportExceptionDescription(env);
JLI_ReportErrorMessage(JNI_ERROR);
goto leave;
}
if (mainClassName == NULL) {
ReportErrorMessage(JAR_ERROR1,jarfile, GEN_ERROR);
JLI_ReportErrorMessage(JAR_ERROR1,jarfile, GEN_ERROR);
goto leave;
}
classname = (char *)(*env)->GetStringUTFChars(env, mainClassName, 0);
if (classname == NULL) {
ReportExceptionDescription(env);
ReportErrorMessage(JNI_ERROR);
JLI_ReportExceptionDescription(env);
JLI_ReportErrorMessage(JNI_ERROR);
goto leave;
}
mainClass = LoadClass(env, classname);
if(mainClass == NULL) { /* exception occured */
ReportExceptionDescription(env);
ReportErrorMessage(CLS_ERROR1, classname);
JLI_ReportExceptionDescription(env);
JLI_ReportErrorMessage(CLS_ERROR1, classname);
goto leave;
}
(*env)->ReleaseStringUTFChars(env, mainClassName, classname);
} else {
mainClassName = NewPlatformString(env, classname);
if (mainClassName == NULL) {
ReportErrorMessage(CLS_ERROR2, classname, GEN_ERROR);
JLI_ReportErrorMessage(CLS_ERROR2, classname, GEN_ERROR);
goto leave;
}
classname = (char *)(*env)->GetStringUTFChars(env, mainClassName, 0);
if (classname == NULL) {
ReportExceptionDescription(env);
ReportErrorMessage(JNI_ERROR);
JLI_ReportExceptionDescription(env);
JLI_ReportErrorMessage(JNI_ERROR);
goto leave;
}
mainClass = LoadClass(env, classname);
if(mainClass == NULL) { /* exception occured */
ReportExceptionDescription(env);
ReportErrorMessage(CLS_ERROR1, classname);
JLI_ReportExceptionDescription(env);
JLI_ReportErrorMessage(CLS_ERROR1, classname);
goto leave;
}
(*env)->ReleaseStringUTFChars(env, mainClassName, classname);
......@@ -444,10 +444,10 @@ JavaMain(void * _args)
"([Ljava/lang/String;)V");
if (mainID == NULL) {
if ((*env)->ExceptionOccurred(env)) {
ReportExceptionDescription(env);
ReportErrorMessage(JNI_ERROR);
JLI_ReportExceptionDescription(env);
JLI_ReportErrorMessage(JNI_ERROR);
} else {
ReportErrorMessage(CLS_ERROR3);
JLI_ReportErrorMessage(CLS_ERROR3);
}
goto leave;
}
......@@ -459,8 +459,8 @@ JavaMain(void * _args)
mainID, JNI_TRUE);
if( obj == NULL) { /* exception occurred */
ReportExceptionDescription(env);
ReportErrorMessage(JNI_ERROR);
JLI_ReportExceptionDescription(env);
JLI_ReportErrorMessage(JNI_ERROR);
goto leave;
}
......@@ -469,14 +469,14 @@ JavaMain(void * _args)
(*env)->GetObjectClass(env, obj),
"getModifiers", "()I");
if ((*env)->ExceptionOccurred(env)) {
ReportExceptionDescription(env);
ReportErrorMessage(JNI_ERROR);
JLI_ReportExceptionDescription(env);
JLI_ReportErrorMessage(JNI_ERROR);
goto leave;
}
mods = (*env)->CallIntMethod(env, obj, mid);
if ((mods & 1) == 0) { /* if (!Modifier.isPublic(mods)) ... */
ReportErrorMessage(CLS_ERROR4);
JLI_ReportErrorMessage(CLS_ERROR4);
goto leave;
}
}
......@@ -484,8 +484,8 @@ JavaMain(void * _args)
/* Build argument array */
mainArgs = NewPlatformStringArray(env, argv, argc);
if (mainArgs == NULL) {
ReportExceptionDescription(env);
ReportErrorMessage(JNI_ERROR);
JLI_ReportExceptionDescription(env);
JLI_ReportErrorMessage(JNI_ERROR);
goto leave;
}
......@@ -506,7 +506,7 @@ JavaMain(void * _args)
* launcher's return code except by calling System.exit.
*/
if ((*vm)->DetachCurrentThread(vm) != 0) {
ReportErrorMessage(JVM_ERROR2);
JLI_ReportErrorMessage(JVM_ERROR2);
ret = 1;
goto leave;
}
......@@ -635,7 +635,7 @@ CheckJvmType(int *pargc, char ***argv, jboolean speculative) {
if (loopCount > knownVMsCount) {
if (!speculative) {
ReportErrorMessage(CFG_ERROR1);
JLI_ReportErrorMessage(CFG_ERROR1);
exit(1);
} else {
return "ERROR";
......@@ -645,7 +645,7 @@ CheckJvmType(int *pargc, char ***argv, jboolean speculative) {
if (nextIdx < 0) {
if (!speculative) {
ReportErrorMessage(CFG_ERROR2, knownVMs[jvmidx].alias);
JLI_ReportErrorMessage(CFG_ERROR2, knownVMs[jvmidx].alias);
exit(1);
} else {
return "ERROR";
......@@ -660,7 +660,7 @@ CheckJvmType(int *pargc, char ***argv, jboolean speculative) {
switch (knownVMs[jvmidx].flag) {
case VM_WARN:
if (!speculative) {
ReportErrorMessage(CFG_WARN1, jvmtype, knownVMs[0].name + 1);
JLI_ReportErrorMessage(CFG_WARN1, jvmtype, knownVMs[0].name + 1);
}
/* fall through */
case VM_IGNORE:
......@@ -670,7 +670,7 @@ CheckJvmType(int *pargc, char ***argv, jboolean speculative) {
break;
case VM_ERROR:
if (!speculative) {
ReportErrorMessage(CFG_ERROR3, jvmtype);
JLI_ReportErrorMessage(CFG_ERROR3, jvmtype);
exit(1);
} else {
return "ERROR";
......@@ -879,9 +879,9 @@ SelectVersion(int argc, char **argv, char **main_class)
if (jarflag && operand) {
if ((res = JLI_ParseManifest(operand, &info)) != 0) {
if (res == -1)
ReportErrorMessage(JAR_ERROR2, operand);
JLI_ReportErrorMessage(JAR_ERROR2, operand);
else
ReportErrorMessage(JAR_ERROR3, operand);
JLI_ReportErrorMessage(JAR_ERROR3, operand);
exit(1);
}
......@@ -948,7 +948,7 @@ SelectVersion(int argc, char **argv, char **main_class)
* Check for correct syntax of the version specification (JSR 56).
*/
if (!JLI_ValidVersionString(info.jre_version)) {
ReportErrorMessage(SPC_ERROR1, info.jre_version);
JLI_ReportErrorMessage(SPC_ERROR1, info.jre_version);
exit(1);
}
......@@ -970,7 +970,7 @@ SelectVersion(int argc, char **argv, char **main_class)
JLI_MemFree(new_argv);
return;
} else {
ReportErrorMessage(CFG_ERROR4, info.jre_version);
JLI_ReportErrorMessage(CFG_ERROR4, info.jre_version);
exit(1);
}
}
......@@ -1040,7 +1040,7 @@ ParseArguments(int *pargc, char ***pargv, char **pjarfile,
* command line options.
*/
} else if (JLI_StrCmp(arg, "-fullversion") == 0) {
ReportMessage("%s full version \"%s\"", _launcher_name, GetFullVersion());
JLI_ReportMessage("%s full version \"%s\"", _launcher_name, GetFullVersion());
return JNI_FALSE;
} else if (JLI_StrCmp(arg, "-verbosegc") == 0) {
AddOption("-verbose:gc", NULL);
......@@ -1080,7 +1080,7 @@ ParseArguments(int *pargc, char ***pargv, char **pjarfile,
JLI_StrCmp(arg, "-cs") == 0 ||
JLI_StrCmp(arg, "-noasyncgc") == 0) {
/* No longer supported */
ReportErrorMessage(ARG_WARN, arg);
JLI_ReportErrorMessage(ARG_WARN, arg);
} else if (JLI_StrCCmp(arg, "-version:") == 0 ||
JLI_StrCmp(arg, "-no-jre-restrict-search") == 0 ||
JLI_StrCmp(arg, "-jre-restrict-search") == 0 ||
......@@ -1143,12 +1143,12 @@ InitializeJVM(JavaVM **pvm, JNIEnv **penv, InvocationFunctions *ifn)
#define NULL_CHECK0(e) if ((e) == 0) { \
ReportErrorMessage(JNI_ERROR); \
JLI_ReportErrorMessage(JNI_ERROR); \
return 0; \
}
#define NULL_CHECK(e) if ((e) == 0) { \
ReportErrorMessage(JNI_ERROR); \
JLI_ReportErrorMessage(JNI_ERROR); \
return; \
}
......@@ -1351,7 +1351,7 @@ TranslateApplicationArgs(int jargc, const char **jargv, int *pargc, char ***parg
char *arg = argv[i];
if (arg[0] == '-' && arg[1] == 'J') {
if (arg[2] == '\0') {
ReportErrorMessage(ARG_ERROR3);
JLI_ReportErrorMessage(ARG_ERROR3);
exit(1);
}
*nargv++ = arg + 2;
......@@ -1418,7 +1418,7 @@ AddApplicationOptions(int cpathc, const char **cpathv)
}
if (!GetApplicationHome(home, sizeof(home))) {
ReportErrorMessage(CFG_ERROR5);
JLI_ReportErrorMessage(CFG_ERROR5);
return JNI_FALSE;
}
......@@ -1691,7 +1691,7 @@ ReadKnownVMs(const char *jrepath, const char * arch, jboolean speculative)
jvmCfg = fopen(jvmCfgName, "r");
if (jvmCfg == NULL) {
if (!speculative) {
ReportErrorMessage(CFG_ERROR6, jvmCfgName);
JLI_ReportErrorMessage(CFG_ERROR6, jvmCfgName);
exit(1);
} else {
return -1;
......@@ -1703,7 +1703,7 @@ ReadKnownVMs(const char *jrepath, const char * arch, jboolean speculative)
if (line[0] == '#')
continue;
if (line[0] != '-') {
ReportErrorMessage(CFG_WARN2, lineno, jvmCfgName);
JLI_ReportErrorMessage(CFG_WARN2, lineno, jvmCfgName);
}
if (cnt >= knownVMsLimit) {
GrowKnownVMs(cnt);
......@@ -1711,13 +1711,13 @@ ReadKnownVMs(const char *jrepath, const char * arch, jboolean speculative)
line[JLI_StrLen(line)-1] = '\0'; /* remove trailing newline */
tmpPtr = line + JLI_StrCSpn(line, whiteSpace);
if (*tmpPtr == 0) {
ReportErrorMessage(CFG_WARN3, lineno, jvmCfgName);
JLI_ReportErrorMessage(CFG_WARN3, lineno, jvmCfgName);
} else {
/* Null-terminate this string for JLI_StringDup below */
*tmpPtr++ = 0;
tmpPtr += JLI_StrSpn(tmpPtr, whiteSpace);
if (*tmpPtr == 0) {
ReportErrorMessage(CFG_WARN3, lineno, jvmCfgName);
JLI_ReportErrorMessage(CFG_WARN3, lineno, jvmCfgName);
} else {
if (!JLI_StrCCmp(tmpPtr, "KNOWN")) {
vmType = VM_KNOWN;
......@@ -1727,7 +1727,7 @@ ReadKnownVMs(const char *jrepath, const char * arch, jboolean speculative)
tmpPtr += JLI_StrSpn(tmpPtr, whiteSpace);
}
if (*tmpPtr == 0) {
ReportErrorMessage(CFG_WARN3, lineno, jvmCfgName);
JLI_ReportErrorMessage(CFG_WARN3, lineno, jvmCfgName);
} else {
/* Null terminate altVMName */
altVMName = tmpPtr;
......@@ -1747,7 +1747,7 @@ ReadKnownVMs(const char *jrepath, const char * arch, jboolean speculative)
tmpPtr += JLI_StrSpn(tmpPtr, whiteSpace);
}
if (*tmpPtr == 0) {
ReportErrorMessage(CFG_WARN4, lineno, jvmCfgName);
JLI_ReportErrorMessage(CFG_WARN4, lineno, jvmCfgName);
} else {
/* Null terminate server class VM name */
serverClassVMName = tmpPtr;
......@@ -1756,7 +1756,7 @@ ReadKnownVMs(const char *jrepath, const char * arch, jboolean speculative)
vmType = VM_IF_SERVER_CLASS;
}
} else {
ReportErrorMessage(CFG_WARN5, lineno, &jvmCfgName[0]);
JLI_ReportErrorMessage(CFG_WARN5, lineno, &jvmCfgName[0]);
vmType = VM_KNOWN;
}
}
......@@ -2019,7 +2019,7 @@ RemovableOption(char * option)
* A utility procedure to always print to stderr
*/
void
ReportMessage(const char* fmt, ...)
JLI_ReportMessage(const char* fmt, ...)
{
va_list vl;
va_start(vl, fmt);
......
src/share/bin/java.h
浏览文件 @ 731c5844
......@@ -121,24 +121,20 @@ void CreateExecutionEnvironment(int *_argc,
char jvmpath[],
jint so_jvmpath,
char **original_argv);
/* Reports an error message to stderr or a window as appropriate. */
void JLI_ReportErrorMessage(const char * message, ...);
/*
* Report an error message to stderr or a window as appropriate.
*/
void ReportErrorMessage(const char * message, ...);
void ReportErrorMessageSys(const char * format, ...);
/* Reports a system error message to stderr or a window */
void JLI_ReportErrorMessageSys(const char * message, ...);
/*
* Report an error message only to stderr.
*/
void ReportMessage(const char * message, ...);
/* Reports an error message only to stderr. */
void JLI_ReportMessage(const char * message, ...);
/*
* Report an exception which terminates the vm to stderr or a window
* Reports an exception which terminates the vm to stderr or a window
* as appropriate.
*/
void ReportExceptionDescription(JNIEnv * env);
void JLI_ReportExceptionDescription(JNIEnv * env);
void PrintMachineDependentOptions();
const char *jlong_format_specifier();
......
src/share/classes/com/sun/tools/hat/internal/parser/HprofReader.java
浏览文件 @ 731c5844
......@@ -120,7 +120,7 @@ public class HprofReader extends Reader /* imports */ implements ArrayTypeCodes
private int version; // The version of .hprof being read
private int debugLevel;
private int currPos; // Current position in the file
private long currPos; // Current position in the file
private int dumpsToSkip;
private boolean callStack; // If true, read the call stack of objects
......@@ -196,7 +196,9 @@ public class HprofReader extends Reader /* imports */ implements ArrayTypeCodes
break;
}
in.readInt(); // Timestamp of this record
int length = in.readInt();
// Length of record: readInt() will return negative value for record
// length >2GB. so store 32bit value in long to keep it unsigned.
long length = in.readInt() & 0xffffffffL;
if (debugLevel > 0) {
System.out.println("Read record type " + type
+ ", length " + length
......@@ -211,7 +213,7 @@ public class HprofReader extends Reader /* imports */ implements ArrayTypeCodes
switch (type) {
case HPROF_UTF8: {
long id = readID();
byte[] chars = new byte[length - identifierSize];
byte[] chars = new byte[(int)length - identifierSize];
in.readFully(chars);
names.put(new Long(id), new String(chars));
break;
......@@ -351,8 +353,8 @@ public class HprofReader extends Reader /* imports */ implements ArrayTypeCodes
return snapshot;
}
private void skipBytes(int length) throws IOException {
in.skipBytes(length);
private void skipBytes(long length) throws IOException {
in.skipBytes((int)length);
}
private int readVersionHeader() throws IOException {
......@@ -381,7 +383,7 @@ public class HprofReader extends Reader /* imports */ implements ArrayTypeCodes
throw new IOException("Version string not recognized at byte " + (pos+3));
}
private void readHeapDump(int bytesLeft, int posAtEnd) throws IOException {
private void readHeapDump(long bytesLeft, long posAtEnd) throws IOException {
while (bytesLeft > 0) {
int type = in.readUnsignedByte();
if (debugLevel > 0) {
......
src/share/classes/java/lang/Thread.java
浏览文件 @ 731c5844
/*
* Copyright 1994-2007 Sun Microsystems, Inc. All Rights Reserved.
* Copyright 1994-2008 Sun Microsystems, Inc. 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
......@@ -30,7 +30,6 @@ import java.security.AccessControlContext;
import java.security.PrivilegedAction;
import java.util.Map;
import java.util.HashMap;
import java.util.Collections;
import java.util.concurrent.locks.LockSupport;
import sun.misc.SoftCache;
import sun.nio.ch.Interruptible;
......@@ -120,6 +119,10 @@ import sun.security.util.SecurityConstants;
* Every thread has a name for identification purposes. More than
* one thread may have the same name. If a name is not specified when
* a thread is created, a new name is generated for it.
* <p>
* Unless otherwise noted, passing a {@code null} argument to a constructor
* or method in this class will cause a {@link NullPointerException} to be
* thrown.
*
* @author unascribed
* @see Runnable
......@@ -348,6 +351,10 @@ class Thread implements Runnable {
*/
private void init(ThreadGroup g, Runnable target, String name,
long stackSize) {
if (name == null) {
throw new NullPointerException("name cannot be null");
}
Thread parent = currentThread();
SecurityManager security = System.getSecurityManager();
if (g == null) {
......@@ -379,7 +386,6 @@ class Thread implements Runnable {
}
}
g.addUnstarted();
this.group = g;
......@@ -403,160 +409,175 @@ class Thread implements Runnable {
tid = nextThreadID();
}
/**
* Allocates a new <code>Thread</code> object. This constructor has
* the same effect as <code>Thread(null, null,</code>
* <i>gname</i><code>)</code>, where <b><i>gname</i></b> is
* a newly generated name. Automatically generated names are of the
* form <code>"Thread-"+</code><i>n</i>, where <i>n</i> is an integer.
*
* @see #Thread(ThreadGroup, Runnable, String)
/**
* Allocates a new {@code Thread} object. This constructor has the same
* effect as {@linkplain #Thread(ThreadGroup,Runnable,String) Thread}
* {@code (null, null, gname)}, where {@code gname} is a newly generated
* name. Automatically generated names are of the form
* {@code "Thread-"+}<i>n</i>, where <i>n</i> is an integer.
*/
public Thread() {
init(null, null, "Thread-" + nextThreadNum(), 0);
}
/**
* Allocates a new <code>Thread</code> object. This constructor has
* the same effect as <code>Thread(null, target,</code>
* <i>gname</i><code>)</code>, where <i>gname</i> is
* a newly generated name. Automatically generated names are of the
* form <code>"Thread-"+</code><i>n</i>, where <i>n</i> is an integer.
* Allocates a new {@code Thread} object. This constructor has the same
* effect as {@linkplain #Thread(ThreadGroup,Runnable,String) Thread}
* {@code (null, target, gname)}, where {@code gname} is a newly generated
* name. Automatically generated names are of the form
* {@code "Thread-"+}<i>n</i>, where <i>n</i> is an integer.
*
* @param target the object whose <code>run</code> method is called.
* @see #Thread(ThreadGroup, Runnable, String)
* @param target
* the object whose {@code run} method is invoked when this thread
* is started. If {@code null}, this classes {@code run} method does
* nothing.
*/
public Thread(Runnable target) {
init(null, target, "Thread-" + nextThreadNum(), 0);
}
/**
* Allocates a new <code>Thread</code> object. This constructor has
* the same effect as <code>Thread(group, target,</code>
* <i>gname</i><code>)</code>, where <i>gname</i> is
* a newly generated name. Automatically generated names are of the
* form <code>"Thread-"+</code><i>n</i>, where <i>n</i> is an integer.
*
* @param group the thread group.
* @param target the object whose <code>run</code> method is called.
* @exception SecurityException if the current thread cannot create a
* thread in the specified thread group.
* @see #Thread(ThreadGroup, Runnable, String)
* Allocates a new {@code Thread} object. This constructor has the same
* effect as {@linkplain #Thread(ThreadGroup,Runnable,String) Thread}
* {@code (group, target, gname)} ,where {@code gname} is a newly generated
* name. Automatically generated names are of the form
* {@code "Thread-"+}<i>n</i>, where <i>n</i> is an integer.
*
* @param group
* the thread group. If {@code null} and there is a security
* manager, the group is determined by {@linkplain
* SecurityManager#getThreadGroup SecurityManager.getThreadGroup()}.
* If there is not a security manager or {@code
* SecurityManager.getThreadGroup()} returns {@code null}, the group
* is set to the current thread's thread group.
*
* @param target
* the object whose {@code run} method is invoked when this thread
* is started. If {@code null}, this thread's run method is invoked.
*
* @throws SecurityException
* if the current thread cannot create a thread in the specified
* thread group
*/
public Thread(ThreadGroup group, Runnable target) {
init(group, target, "Thread-" + nextThreadNum(), 0);
}
/**
* Allocates a new <code>Thread</code> object. This constructor has
* the same effect as <code>Thread(null, null, name)</code>.
* Allocates a new {@code Thread} object. This constructor has the same
* effect as {@linkplain #Thread(ThreadGroup,Runnable,String) Thread}
* {@code (null, null, name)}.
*
* @param name the name of the new thread.
* @see #Thread(ThreadGroup, Runnable, String)
* @param name
* the name of the new thread
*/
public Thread(String name) {
init(null, null, name, 0);
}
/**
* Allocates a new <code>Thread</code> object. This constructor has
* the same effect as <code>Thread(group, null, name)</code>
* Allocates a new {@code Thread} object. This constructor has the same
* effect as {@linkplain #Thread(ThreadGroup,Runnable,String) Thread}
* {@code (group, null, name)}.
*
* @param group
* the thread group. If {@code null} and there is a security
* manager, the group is determined by {@linkplain
* SecurityManager#getThreadGroup SecurityManager.getThreadGroup()}.
* If there is not a security manager or {@code
* SecurityManager.getThreadGroup()} returns {@code null}, the group
* is set to the current thread's thread group.
*
* @param group the thread group.
* @param name the name of the new thread.
* @exception SecurityException if the current thread cannot create a
* thread in the specified thread group.
* @see #Thread(ThreadGroup, Runnable, String)
* @param name
* the name of the new thread
*
* @throws SecurityException
* if the current thread cannot create a thread in the specified
* thread group
*/
public Thread(ThreadGroup group, String name) {
init(group, null, name, 0);
}
/**
* Allocates a new <code>Thread</code> object. This constructor has
* the same effect as <code>Thread(null, target, name)</code>.
* Allocates a new {@code Thread} object. This constructor has the same
* effect as {@linkplain #Thread(ThreadGroup,Runnable,String) Thread}
* {@code (null, target, name)}.
*
* @param target the object whose <code>run</code> method is called.
* @param name the name of the new thread.
* @see #Thread(ThreadGroup, Runnable, String)
* @param target
* the object whose {@code run} method is invoked when this thread
* is started. If {@code null}, this thread's run method is invoked.
*
* @param name
* the name of the new thread
*/
public Thread(Runnable target, String name) {
init(null, target, name, 0);
}
/**
* Allocates a new <code>Thread</code> object so that it has
* <code>target</code> as its run object, has the specified
* <code>name</code> as its name, and belongs to the thread group
* referred to by <code>group</code>.
* <p>
* If <code>group</code> is <code>null</code> and there is a
* security manager, the group is determined by the security manager's
* <code>getThreadGroup</code> method. If <code>group</code> is
* <code>null</code> and there is not a security manager, or the
* security manager's <code>getThreadGroup</code> method returns
* <code>null</code>, the group is set to be the same ThreadGroup
* as the thread that is creating the new thread.
*
* <p>If there is a security manager, its <code>checkAccess</code>
* method is called with the ThreadGroup as its argument.
* <p>In addition, its <code>checkPermission</code>
* method is called with the
* <code>RuntimePermission("enableContextClassLoaderOverride")</code>
* Allocates a new {@code Thread} object so that it has {@code target}
* as its run object, has the specified {@code name} as its name,
* and belongs to the thread group referred to by {@code group}.
*
* <p>If there is a security manager, its
* {@link SecurityManager#checkAccess(ThreadGroup) checkAccess}
* method is invoked with the ThreadGroup as its argument.
*
* <p>In addition, its {@code checkPermission} method is invoked with
* the {@code RuntimePermission("enableContextClassLoaderOverride")}
* permission when invoked directly or indirectly by the constructor
* of a subclass which overrides the <code>getContextClassLoader</code>
* or <code>setContextClassLoader</code> methods.
* This may result in a SecurityException.
* <p>
* If the <code>target</code> argument is not <code>null</code>, the
* <code>run</code> method of the <code>target</code> is called when
* this thread is started. If the target argument is
* <code>null</code>, this thread's <code>run</code> method is called
* when this thread is started.
* <p>
* The priority of the newly created thread is set equal to the
* of a subclass which overrides the {@code getContextClassLoader}
* or {@code setContextClassLoader} methods.
*
* <p>The priority of the newly created thread is set equal to the
* priority of the thread creating it, that is, the currently running
* thread. The method <code>setPriority</code> may be used to
* change the priority to a new value.
* <p>
* The newly created thread is initially marked as being a daemon
* thread. The method {@linkplain #setPriority setPriority} may be
* used to change the priority to a new value.
*
* <p>The newly created thread is initially marked as being a daemon
* thread if and only if the thread creating it is currently marked
* as a daemon thread. The method <code>setDaemon </code> may be used
* to change whether or not a thread is a daemon.
*
* @param group the thread group.
* @param target the object whose <code>run</code> method is called.
* @param name the name of the new thread.
* @exception SecurityException if the current thread cannot create a
* thread in the specified thread group or cannot
* override the context class loader methods.
* @see Runnable#run()
* @see #run()
* @see #setDaemon(boolean)
* @see #setPriority(int)
* @see ThreadGroup#checkAccess()
* @see SecurityManager#checkAccess
* as a daemon thread. The method {@linkplain #setDaemon setDaemon}
* may be used to change whether or not a thread is a daemon.
*
* @param group
* the thread group. If {@code null} and there is a security
* manager, the group is determined by {@linkplain
* SecurityManager#getThreadGroup SecurityManager.getThreadGroup()}.
* If there is not a security manager or {@code
* SecurityManager.getThreadGroup()} returns {@code null}, the group
* is set to the current thread's thread group.
*
* @param target
* the object whose {@code run} method is invoked when this thread
* is started. If {@code null}, this thread's run method is invoked.
*
* @param name
* the name of the new thread
*
* @throws SecurityException
* if the current thread cannot create a thread in the specified
* thread group or cannot override the context class loader methods.
*/
public Thread(ThreadGroup group, Runnable target, String name) {
init(group, target, name, 0);
}
/**
* Allocates a new <code>Thread</code> object so that it has
* <code>target</code> as its run object, has the specified
* <code>name</code> as its name, belongs to the thread group referred to
* by <code>group</code>, and has the specified <i>stack size</i>.
* Allocates a new {@code Thread} object so that it has {@code target}
* as its run object, has the specified {@code name} as its name,
* and belongs to the thread group referred to by {@code group}, and has
* the specified <i>stack size</i>.
*
* <p>This constructor is identical to {@link
* #Thread(ThreadGroup,Runnable,String)} with the exception of the fact
* that it allows the thread stack size to be specified. The stack size
* is the approximate number of bytes of address space that the virtual
* machine is to allocate for this thread's stack. <b>The effect of the
* <tt>stackSize</tt> parameter, if any, is highly platform dependent.</b>
* {@code stackSize} parameter, if any, is highly platform dependent.</b>
*
* <p>On some platforms, specifying a higher value for the
* <tt>stackSize</tt> parameter may allow a thread to achieve greater
* {@code stackSize} parameter may allow a thread to achieve greater
* recursion depth before throwing a {@link StackOverflowError}.
* Similarly, specifying a lower value may allow a greater number of
* threads to exist concurrently without throwing an {@link
......@@ -564,9 +585,9 @@ class Thread implements Runnable {
* the relationship between the value of the <tt>stackSize</tt> parameter
* and the maximum recursion depth and concurrency level are
* platform-dependent. <b>On some platforms, the value of the
* <tt>stackSize</tt> parameter may have no effect whatsoever.</b>
* {@code stackSize} parameter may have no effect whatsoever.</b>
*
* <p>The virtual machine is free to treat the <tt>stackSize</tt>
* <p>The virtual machine is free to treat the {@code stackSize}
* parameter as a suggestion. If the specified value is unreasonably low
* for the platform, the virtual machine may instead use some
* platform-specific minimum value; if the specified value is unreasonably
......@@ -574,9 +595,9 @@ class Thread implements Runnable {
* maximum. Likewise, the virtual machine is free to round the specified
* value up or down as it sees fit (or to ignore it completely).
*
* <p>Specifying a value of zero for the <tt>stackSize</tt> parameter will
* <p>Specifying a value of zero for the {@code stackSize} parameter will
* cause this constructor to behave exactly like the
* <tt>Thread(ThreadGroup, Runnable, String)</tt> constructor.
* {@code Thread(ThreadGroup, Runnable, String)} constructor.
*
* <p><i>Due to the platform-dependent nature of the behavior of this
* constructor, extreme care should be exercised in its use.
......@@ -588,15 +609,32 @@ class Thread implements Runnable {
*
* <p>Implementation note: Java platform implementers are encouraged to
* document their implementation's behavior with respect to the
* <tt>stackSize parameter</tt>.
*
* @param group the thread group.
* @param target the object whose <code>run</code> method is called.
* @param name the name of the new thread.
* @param stackSize the desired stack size for the new thread, or
* zero to indicate that this parameter is to be ignored.
* @exception SecurityException if the current thread cannot create a
* thread in the specified thread group.
* {@code stackSize} parameter.
*
*
* @param group
* the thread group. If {@code null} and there is a security
* manager, the group is determined by {@linkplain
* SecurityManager#getThreadGroup SecurityManager.getThreadGroup()}.
* If there is not a security manager or {@code
* SecurityManager.getThreadGroup()} returns {@code null}, the group
* is set to the current thread's thread group.
*
* @param target
* the object whose {@code run} method is invoked when this thread
* is started. If {@code null}, this thread's run method is invoked.
*
* @param name
* the name of the new thread
*
* @param stackSize
* the desired stack size for the new thread, or zero to indicate
* that this parameter is to be ignored.
*
* @throws SecurityException
* if the current thread cannot create a thread in the specified
* thread group
*
* @since 1.4
*/
public Thread(ThreadGroup group, Runnable target, String name,
......@@ -669,6 +707,7 @@ class Thread implements Runnable {
* @see #stop()
* @see #Thread(ThreadGroup, Runnable, String)
*/
@Override
public void run() {
if (target != null) {
target.run();
......@@ -1386,28 +1425,25 @@ class Thread implements Runnable {
* Returns the context ClassLoader for this Thread. The context
* ClassLoader is provided by the creator of the thread for use
* by code running in this thread when loading classes and resources.
* If not set, the default is the ClassLoader context of the parent
* Thread. The context ClassLoader of the primordial thread is
* typically set to the class loader used to load the application.
*
* <p>First, if there is a security manager, and the caller's class
* loader is not null and the caller's class loader is not the same as or
* an ancestor of the context class loader for the thread whose
* context class loader is being requested, then the security manager's
* <code>checkPermission</code>
* method is called with a
* <code>RuntimePermission("getClassLoader")</code> permission
* to see if it's ok to get the context ClassLoader..
* If not {@linkplain #setContextClassLoader set}, the default is the
* ClassLoader context of the parent Thread. The context ClassLoader of the
* primordial thread is typically set to the class loader used to load the
* application.
*
* <p>If a security manager is present, and the invoker's class loader is not
* {@code null} and is not the same as or an ancestor of the context class
* loader, then this method invokes the security manager's {@link
* SecurityManager#checkPermission(java.security.Permission) checkPermission}
* method with a {@link RuntimePermission RuntimePermission}{@code
* ("getClassLoader")} permission to verify that retrieval of the context
* class loader is permitted.
*
* @return the context ClassLoader for this Thread, or {@code null}
* indicating the system class loader (or, failing that, the
* bootstrap class loader)
*
* @return the context ClassLoader for this Thread
*
* @throws SecurityException
* if a security manager exists and its
* <code>checkPermission</code> method doesn't allow
* getting the context ClassLoader.
* @see #setContextClassLoader
* @see SecurityManager#checkPermission
* @see RuntimePermission
* @throws SecurityException
* if the current thread cannot get the context ClassLoader
*
* @since 1.2
*/
......@@ -1428,21 +1464,22 @@ class Thread implements Runnable {
/**
* Sets the context ClassLoader for this Thread. The context
* ClassLoader can be set when a thread is created, and allows
* the creator of the thread to provide the appropriate class loader
* to code running in the thread when loading classes and resources.
* the creator of the thread to provide the appropriate class loader,
* through {@code getContextClassLoader}, to code running in the thread
* when loading classes and resources.
*
* <p>First, if there is a security manager, its <code>checkPermission</code>
* method is called with a
* <code>RuntimePermission("setContextClassLoader")</code> permission
* to see if it's ok to set the context ClassLoader..
* <p>If a security manager is present, its {@link
* SecurityManager#checkPermission(java.security.Permission) checkPermission}
* method is invoked with a {@link RuntimePermission RuntimePermission}{@code
* ("setContextClassLoader")} permission to see if setting the context
* ClassLoader is permitted.
*
* @param cl the context ClassLoader for this Thread
* @param cl
* the context ClassLoader for this Thread, or null indicating the
* system class loader (or, failing that, the bootstrap class loader)
*
* @exception SecurityException if the current thread cannot set the
* context ClassLoader.
* @see #getContextClassLoader
* @see SecurityManager#checkPermission
* @see RuntimePermission
* @throws SecurityException
* if the current thread cannot set the context ClassLoader
*
* @since 1.2
*/
......
src/share/classes/java/lang/management/PlatformComponent.java
浏览文件 @ 731c5844
......@@ -32,6 +32,7 @@ import java.util.HashSet;
import java.util.Set;
import java.util.logging.LoggingMXBean;
import java.util.logging.LogManager;
import java.nio.BufferPoolMXBean;
import javax.management.MBeanServerConnection;
import javax.management.MalformedObjectNameException;
import javax.management.ObjectName;
......@@ -188,6 +189,23 @@ enum PlatformComponent {
}
}),
/**
* Buffer pools.
*/
BUFFER_POOL(
"java.nio.BufferPoolMXBean",
"java.nio", "BufferPool", keyProperties("name"),
new MXBeanFetcher<BufferPoolMXBean>() {
public List<BufferPoolMXBean> getMXBeans() {
List<BufferPoolMXBean> pools = new ArrayList<BufferPoolMXBean>(2);
pools.add( sun.misc.SharedSecrets.getJavaNioAccess().getDirectBufferPoolMXBean() );
pools.add( sun.nio.ch.FileChannelImpl.getMappedBufferPoolMXBean() );
return pools;
}
}),
// Sun Platform Extension
/**
......
src/share/classes/java/nio/Bits.java
浏览文件 @ 731c5844
......@@ -29,6 +29,8 @@ import java.security.AccessController;
import java.security.PrivilegedAction;
import sun.misc.Unsafe;
import sun.misc.VM;
import javax.management.ObjectName;
import javax.management.MalformedObjectNameException;
/**
* Access to bits, native and otherwise.
......@@ -625,13 +627,15 @@ class Bits { // package-private
// direct buffer memory. This value may be changed during VM
// initialization if it is launched with "-XX:MaxDirectMemorySize=<size>".
private static volatile long maxMemory = VM.maxDirectMemory();
private static volatile long reservedMemory = 0;
private static volatile long reservedMemory;
private static volatile long usedMemory;
private static volatile long count;
private static boolean memoryLimitSet = false;
// These methods should be called whenever direct memory is allocated or
// freed. They allow the user to control the amount of direct memory
// which a process may access. All sizes are specified in bytes.
static void reserveMemory(long size) {
static void reserveMemory(long size, int cap) {
synchronized (Bits.class) {
if (!memoryLimitSet && VM.isBooted()) {
......@@ -640,6 +644,8 @@ class Bits { // package-private
}
if (size <= maxMemory - reservedMemory) {
reservedMemory += size;
usedMemory += cap;
count++;
return;
}
}
......@@ -655,17 +661,71 @@ class Bits { // package-private
if (reservedMemory + size > maxMemory)
throw new OutOfMemoryError("Direct buffer memory");
reservedMemory += size;
usedMemory += cap;
count++;
}
}
static synchronized void unreserveMemory(long size) {
static synchronized void unreserveMemory(long size, int cap) {
if (reservedMemory > 0) {
reservedMemory -= size;
usedMemory -= cap;
count--;
assert (reservedMemory > -1);
}
}
// -- Management interface for monitoring of direct buffer usage --
static {
// setup access to this package in SharedSecrets
sun.misc.SharedSecrets.setJavaNioAccess(
new sun.misc.JavaNioAccess() {
@Override
public BufferPoolMXBean getDirectBufferPoolMXBean() {
return LazyInitialization.directBufferPoolMXBean;
}
}
);
}
// Lazy initialization of management interface
private static class LazyInitialization {
static final BufferPoolMXBean directBufferPoolMXBean = directBufferPoolMXBean();
private static BufferPoolMXBean directBufferPoolMXBean() {
final String pool = "direct";
final ObjectName obj;
try {
obj = new ObjectName("java.nio:type=BufferPool,name=" + pool);
} catch (MalformedObjectNameException x) {
throw new AssertionError(x);
}
return new BufferPoolMXBean() {
@Override
public ObjectName getObjectName() {
return obj;
}
@Override
public String getName() {
return pool;
}
@Override
public long getCount() {
return Bits.count;
}
@Override
public long getTotalCapacity() {
return Bits.usedMemory;
}
@Override
public long getMemoryUsed() {
return Bits.reservedMemory;
}
};
}
}
// -- Bulk get/put acceleration --
......
src/share/classes/java/nio/BufferPoolMXBean.java 0 → 100644
浏览文件 @ 731c5844
/*
* Copyright 2007-2008 Sun Microsystems, Inc. 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. Sun designates this
* particular file as subject to the "Classpath" exception as provided
* by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*/
package java.nio;
import java.lang.management.PlatformManagedObject;
/**
* The management interface for a buffer pool.
*
* <p> A class implementing this interface is an <a href=
* "java.lang.management.ManagementFactory.html#MXBean">MXBean</a>. A Java
* virtual machine has one or more implementations of this interface. The {@link
* java.lang.management.ManagementFactory#getPlatformMXBeans getPlatformMXBeans}
* method can be used to obtain the list of {@code BufferPoolMXBean} objects
* representing the management interfaces for pools of buffers as follows:
* <pre>
* List&lt;BufferPoolMXBean&gt; pools = ManagementFactory.getPlatformMXBeans(BufferPoolMXBean.class);
* </pre>
*
* <p> The management interfaces are also registered with the platform {@link
* javax.management.MBeanServer MBeanServer}. The {@link
* javax.management.ObjectName ObjectName} that uniquely identifies the
* management interface within the {@code MBeanServer} takes the form:
* <blockquote>
* <tt>java.nio:type=BufferPool</tt><tt>,name=</tt><i>pool name</i>
* </blockquote>
* where <em>pool name</em> is the {@link #getName name} of the buffer pool.
*
* @since 1.7
*/
public interface BufferPoolMXBean extends PlatformManagedObject {
/**
* Returns the name representing this buffer pool.
*
* @return The name of this buffer pool.
*/
String getName();
/**
* Returns an estimate of the number of buffers in the pool.
*
* @return An estimate of the number of buffers in this pool
*/
long getCount();
/**
* Returns an estimate of the total capacity of the buffers in this pool.
* A buffer's capacity is the number of elements it contains and the value
* returned by this method is an estimate of the total capacity of buffers
* in the pool in bytes.
*
* @return An estimate of the total capacity of the buffers in this pool
* in bytes
*/
long getTotalCapacity();
/**
* Returns an estimate of the memory that the Java virtual machine is using
* for this buffer pool. The value returned by this method may differ
* from the estimate of the total {@link #getTotalCapacity capacity} of
* the buffers in this pool. This difference is explained by alignment,
* memory allocator, and other implementation specific reasons.
*
* @return An estimate of the memory that the Java virtual machine is using
* for this buffer pool in bytes, or {@code -1L} if an estimate of
* the memory usage is not available
*/
long getMemoryUsed();
}
src/share/classes/java/nio/Direct-X-Buffer.java
浏览文件 @ 731c5844
......@@ -71,11 +71,13 @@ class Direct$Type$Buffer$RW$$BO$
private static Unsafe unsafe = Unsafe.getUnsafe();
private long address;
private long size;
private int capacity;
private Deallocator(long address, int capacity) {
private Deallocator(long address, long size, int capacity) {
assert (address != 0);
this.address = address;
this.size = size;
this.capacity = capacity;
}
......@@ -86,7 +88,7 @@ class Direct$Type$Buffer$RW$$BO$
}
unsafe.freeMemory(address);
address = 0;
Bits.unreserveMemory(capacity);
Bits.unreserveMemory(size, capacity);
}
}
......@@ -110,23 +112,25 @@ class Direct$Type$Buffer$RW$$BO$
Direct$Type$Buffer$RW$(int cap) { // package-private
#if[rw]
super(-1, 0, cap, cap, false);
Bits.reserveMemory(cap);
int ps = Bits.pageSize();
int size = cap + ps;
Bits.reserveMemory(size, cap);
long base = 0;
try {
base = unsafe.allocateMemory(cap + ps);
base = unsafe.allocateMemory(size);
} catch (OutOfMemoryError x) {
Bits.unreserveMemory(cap);
Bits.unreserveMemory(size, cap);
throw x;
}
unsafe.setMemory(base, cap + ps, (byte) 0);
unsafe.setMemory(base, size, (byte) 0);
if (base % ps != 0) {
// Round up to page boundary
address = base + ps - (base & (ps - 1));
} else {
address = base;
}
cleaner = Cleaner.create(this, new Deallocator(base, cap));
cleaner = Cleaner.create(this, new Deallocator(base, size, cap));
#else[rw]
super(cap);
#end[rw]
......
src/share/classes/java/nio/charset/Charset.java
浏览文件 @ 731c5844
......@@ -85,6 +85,9 @@ import sun.security.action.GetPropertyAction;
* <li> The dash character <tt>'-'</tt>
* (<tt>'&#92;u002d'</tt>,&nbsp;<small>HYPHEN-MINUS</small>),
*
* <li> The plus character <tt>'+'</tt>
* (<tt>'&#92;u002b'</tt>,&nbsp;<small>PLUS SIGN</small>),
*
* <li> The period character <tt>'.'</tt>
* (<tt>'&#92;u002e'</tt>,&nbsp;<small>FULL STOP</small>),
*
......@@ -307,6 +310,7 @@ public abstract class Charset
if (c >= 'a' && c <= 'z') continue;
if (c >= '0' && c <= '9') continue;
if (c == '-' && i != 0) continue;
if (c == '+' && i != 0) continue;
if (c == ':' && i != 0) continue;
if (c == '_' && i != 0) continue;
if (c == '.' && i != 0) continue;
......
src/share/classes/sun/misc/JavaNioAccess.java 0 → 100644
浏览文件 @ 731c5844
/*
* Copyright 2007-2008 Sun Microsystems, Inc. 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. Sun designates this
* particular file as subject to the "Classpath" exception as provided
* by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*/
package sun.misc;
import java.nio.BufferPoolMXBean;
public interface JavaNioAccess {
BufferPoolMXBean getDirectBufferPoolMXBean();
}
src/share/classes/sun/misc/SharedSecrets.java
浏览文件 @ 731c5844
......@@ -46,6 +46,7 @@ public class SharedSecrets {
private static JavaIOAccess javaIOAccess;
private static JavaIODeleteOnExitAccess javaIODeleteOnExitAccess;
private static JavaNetAccess javaNetAccess;
private static JavaNioAccess javaNioAccess;
private static JavaIOFileDescriptorAccess javaIOFileDescriptorAccess;
public static JavaUtilJarAccess javaUtilJarAccess() {
......@@ -77,6 +78,20 @@ public class SharedSecrets {
return javaNetAccess;
}
public static void setJavaNioAccess(JavaNioAccess jna) {
javaNioAccess = jna;
}
public static JavaNioAccess getJavaNioAccess() {
if (javaNioAccess == null) {
// Ensure java.nio.ByteOrder is initialized; we know that
// this class initializes java.nio.Bits that provides the
// shared secret.
unsafe.ensureClassInitialized(java.nio.ByteOrder.class);
}
return javaNioAccess;
}
public static void setJavaIOAccess(JavaIOAccess jia) {
javaIOAccess = jia;
}
......
src/share/classes/sun/nio/ch/FileChannelImpl.java
浏览文件 @ 731c5844
......@@ -32,6 +32,7 @@ import java.io.RandomAccessFile;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.nio.MappedByteBuffer;
import java.nio.BufferPoolMXBean;
import java.nio.channels.*;
import java.nio.channels.spi.*;
import java.util.ArrayList;
......@@ -43,10 +44,12 @@ import java.lang.ref.ReferenceQueue;
import java.lang.reflect.Field;
import java.security.AccessController;
import java.security.PrivilegedAction;
import javax.management.ObjectName;
import javax.management.MalformedObjectNameException;
import sun.misc.Cleaner;
import sun.security.action.GetPropertyAction;
public class FileChannelImpl
extends FileChannel
{
......@@ -681,14 +684,26 @@ public class FileChannelImpl
private static class Unmapper
implements Runnable
{
// keep track of mapped buffer usage
static volatile int count;
static volatile long totalSize;
static volatile long totalCapacity;
private long address;
private long size;
private int cap;
private Unmapper(long address, long size) {
private Unmapper(long address, long size, int cap) {
assert (address != 0);
this.address = address;
this.size = size;
this.cap = cap;
synchronized (Unmapper.class) {
count++;
totalSize += size;
totalCapacity += cap;
}
}
public void run() {
......@@ -696,8 +711,13 @@ public class FileChannelImpl
return;
unmap0(address, size);
address = 0;
}
synchronized (Unmapper.class) {
count--;
totalSize -= size;
totalCapacity -= cap;
}
}
}
private static void unmap(MappedByteBuffer bb) {
......@@ -786,7 +806,7 @@ public class FileChannelImpl
assert (IOStatus.checkAll(addr));
assert (addr % allocationGranularity == 0);
int isize = (int)size;
Unmapper um = new Unmapper(addr, size + pagePosition);
Unmapper um = new Unmapper(addr, size + pagePosition, isize);
if ((!writable) || (imode == MAP_RO))
return Util.newMappedByteBufferR(isize, addr + pagePosition, um);
else
......@@ -797,6 +817,49 @@ public class FileChannelImpl
}
}
/**
* Returns the management interface for mapped buffers
*/
public static BufferPoolMXBean getMappedBufferPoolMXBean() {
return LazyInitialization.mappedBufferPoolMXBean;
}
// Lazy initialization of management interface
private static class LazyInitialization {
static final BufferPoolMXBean mappedBufferPoolMXBean = mappedBufferPoolMXBean();
private static BufferPoolMXBean mappedBufferPoolMXBean() {
final String pool = "mapped";
final ObjectName obj;
try {
obj = new ObjectName("java.nio:type=BufferPool,name=" + pool);
} catch (MalformedObjectNameException x) {
throw new AssertionError(x);
}
return new BufferPoolMXBean() {
@Override
public ObjectName getObjectName() {
return obj;
}
@Override
public String getName() {
return pool;
}
@Override
public long getCount() {
return Unmapper.count;
}
@Override
public long getTotalCapacity() {
return Unmapper.totalCapacity;
}
@Override
public long getMemoryUsed() {
return Unmapper.totalSize;
}
};
}
}
// -- Locks --
......
src/share/classes/sun/nio/cs/ext/ExtendedCharsets.java
浏览文件 @ 731c5844
......@@ -916,7 +916,7 @@ public class ExtendedCharsets
"ccsid01140",
"cp01140",
"1140",
// "ebcdic-us-037+euro"
"ebcdic-us-037+euro"
});
charset("IBM01141", "IBM1141",
......@@ -925,7 +925,7 @@ public class ExtendedCharsets
"ccsid01141",
"cp01141",
"1141",
// "ebcdic-de-273+euro"
"ebcdic-de-273+euro"
});
charset("IBM01142", "IBM1142",
......@@ -934,8 +934,8 @@ public class ExtendedCharsets
"ccsid01142",
"cp01142",
"1142",
// "ebcdic-no-277+euro",
// "ebcdic-dk-277+euro"
"ebcdic-no-277+euro",
"ebcdic-dk-277+euro"
});
charset("IBM01143", "IBM1143",
......@@ -944,8 +944,8 @@ public class ExtendedCharsets
"ccsid01143",
"cp01143",
"1143",
// "ebcdic-fi-278+euro",
// "ebcdic-se-278+euro"
"ebcdic-fi-278+euro",
"ebcdic-se-278+euro"
});
charset("IBM01144", "IBM1144",
......@@ -954,7 +954,7 @@ public class ExtendedCharsets
"ccsid01144",
"cp01144",
"1144",
// "ebcdic-it-280+euro"
"ebcdic-it-280+euro"
});
charset("IBM01145", "IBM1145",
......@@ -963,7 +963,7 @@ public class ExtendedCharsets
"ccsid01145",
"cp01145",
"1145",
// "ebcdic-es-284+euro"
"ebcdic-es-284+euro"
});
charset("IBM01146", "IBM1146",
......@@ -972,7 +972,7 @@ public class ExtendedCharsets
"ccsid01146",
"cp01146",
"1146",
// "ebcdic-gb-285+euro"
"ebcdic-gb-285+euro"
});
charset("IBM01147", "IBM1147",
......@@ -981,7 +981,7 @@ public class ExtendedCharsets
"ccsid01147",
"cp01147",
"1147",
// "ebcdic-fr-277+euro"
"ebcdic-fr-277+euro"
});
charset("IBM01148", "IBM1148",
......@@ -990,7 +990,7 @@ public class ExtendedCharsets
"ccsid01148",
"cp01148",
"1148",
// "ebcdic-international-500+euro"
"ebcdic-international-500+euro"
});
charset("IBM01149", "IBM1149",
......@@ -999,7 +999,7 @@ public class ExtendedCharsets
"ccsid01149",
"cp01149",
"1149",
// "ebcdic-s-871+euro"
"ebcdic-s-871+euro"
});
// Macintosh MacOS/Apple char encodingd
......
src/share/classes/sun/nio/cs/standard-charsets
浏览文件 @ 731c5844
......@@ -314,6 +314,7 @@ charset IBM00858 IBM858
alias ccsid00858
alias cp00858
alias 858
alias PC-Multilingual-850+euro
charset IBM862 IBM862
alias cp862 #JDK historical
......
src/share/classes/sun/reflect/generics/factory/CoreReflectionFactory.java
浏览文件 @ 731c5844
......@@ -25,6 +25,7 @@
package sun.reflect.generics.factory;
import java.lang.reflect.Array;
import java.lang.reflect.Constructor;
import java.lang.reflect.GenericDeclaration;
import java.lang.reflect.Method;
......@@ -118,7 +119,10 @@ public class CoreReflectionFactory implements GenericsFactory {
}
public Type makeArrayType(Type componentType){
return GenericArrayTypeImpl.make(componentType);
if (componentType instanceof Class<?>)
return Array.newInstance((Class<?>) componentType, 0).getClass();
else
return GenericArrayTypeImpl.make(componentType);
}
public Type makeByte(){return byte.class;}
......
src/solaris/bin/java_md.c
浏览文件 @ 731c5844
......@@ -289,13 +289,13 @@ CreateExecutionEnvironment(int *_argcp,
if (wanted == running) {
/* Find out where the JRE is that we will be using. */
if (!GetJREPath(jrepath, so_jrepath, arch, JNI_FALSE) ) {
ReportErrorMessage(JRE_ERROR1);
JLI_ReportErrorMessage(JRE_ERROR1);
exit(2);
}
/* Find the specified JVM type */
if (ReadKnownVMs(jrepath, arch, JNI_FALSE) < 1) {
ReportErrorMessage(CFG_ERROR7);
JLI_ReportErrorMessage(CFG_ERROR7);
exit(1);
}
......@@ -303,7 +303,7 @@ CreateExecutionEnvironment(int *_argcp,
jvmtype = CheckJvmType(_argcp, _argvp, JNI_FALSE);
if (!GetJVMPath(jrepath, jvmtype, jvmpath, so_jvmpath, arch )) {
ReportErrorMessage(CFG_ERROR8, jvmtype, jvmpath);
JLI_ReportErrorMessage(CFG_ERROR8, jvmtype, jvmpath);
exit(4);
}
} else { /* do the same speculatively or exit */
......@@ -330,7 +330,7 @@ CreateExecutionEnvironment(int *_argcp,
EndDataModelSpeculate: /* give up and let other code report error message */
;
#else
ReportErrorMessage(JRE_ERROR2, wanted);
JLI_ReportErrorMessage(JRE_ERROR2, wanted);
exit(1);
#endif
}
......@@ -391,7 +391,7 @@ CreateExecutionEnvironment(int *_argcp,
break;
default:
ReportErrorMessage(JRE_ERROR3, __LINE__);
JLI_ReportErrorMessage(JRE_ERROR3, __LINE__);
exit(1); /* unknown value in wanted */
break;
}
......@@ -553,17 +553,17 @@ CreateExecutionEnvironment(int *_argcp,
(void)fflush(stdout);
(void)fflush(stderr);
execve(newexec, argv, newenvp);
ReportErrorMessageSys(JRE_ERROR4, newexec);
JLI_ReportErrorMessageSys(JRE_ERROR4, newexec);
#ifdef DUAL_MODE
if (running != wanted) {
ReportErrorMessage(JRE_ERROR5, wanted, running);
JLI_ReportErrorMessage(JRE_ERROR5, wanted, running);
# ifdef __solaris__
# ifdef __sparc
ReportErrorMessage(JRE_ERROR6);
JLI_ReportErrorMessage(JRE_ERROR6);
# else
ReportErrorMessage(JRE_ERROR7);
JLI_ReportErrorMessage(JRE_ERROR7);
# endif
}
# endif
......@@ -627,7 +627,7 @@ GetJREPath(char *path, jint pathsize, const char * arch, jboolean speculative)
}
if (!speculative)
ReportErrorMessage(JRE_ERROR8 JAVA_DLL);
JLI_ReportErrorMessage(JRE_ERROR8 JAVA_DLL);
return JNI_FALSE;
found:
......@@ -680,13 +680,13 @@ LoadJavaVM(const char *jvmpath, InvocationFunctions *ifn)
if(length > 0) {
location = JLI_StrStr(buf, "sparcv8plus ");
if(location == NULL) {
ReportErrorMessage(JVM_ERROR3);
JLI_ReportErrorMessage(JVM_ERROR3);
return JNI_FALSE;
}
}
}
#endif
ReportErrorMessage(DLL_ERROR1, __LINE__);
JLI_ReportErrorMessage(DLL_ERROR1, __LINE__);
goto error;
}
......@@ -703,7 +703,7 @@ LoadJavaVM(const char *jvmpath, InvocationFunctions *ifn)
return JNI_TRUE;
error:
ReportErrorMessage(DLL_ERROR2, jvmpath, dlerror());
JLI_ReportErrorMessage(DLL_ERROR2, jvmpath, dlerror());
return JNI_FALSE;
}
......@@ -848,7 +848,7 @@ SetExecname(char **argv)
fptr = (int (*)())dlsym(RTLD_DEFAULT, "main");
if (fptr == NULL) {
ReportErrorMessage(DLL_ERROR3, dlerror());
JLI_ReportErrorMessage(DLL_ERROR3, dlerror());
return JNI_FALSE;
}
......@@ -885,7 +885,7 @@ SetExecname(char **argv)
return exec_path;
}
void ReportErrorMessage(const char* fmt, ...) {
void JLI_ReportErrorMessage(const char* fmt, ...) {
va_list vl;
va_start(vl, fmt);
vfprintf(stderr, fmt, vl);
......@@ -893,7 +893,7 @@ void ReportErrorMessage(const char* fmt, ...) {
va_end(vl);
}
void ReportErrorMessageSys(const char* fmt, ...) {
void JLI_ReportErrorMessageSys(const char* fmt, ...) {
va_list vl;
char *emsg;
......@@ -912,7 +912,7 @@ void ReportErrorMessageSys(const char* fmt, ...) {
va_end(vl);
}
void ReportExceptionDescription(JNIEnv * env) {
void JLI_ReportExceptionDescription(JNIEnv * env) {
(*env)->ExceptionDescribe(env);
}
......@@ -1078,7 +1078,7 @@ ExecJRE(char *jre, char **argv)
* Resolve the real path to the directory containing the selected JRE.
*/
if (realpath(jre, wanted) == NULL) {
ReportErrorMessage(JRE_ERROR9, jre);
JLI_ReportErrorMessage(JRE_ERROR9, jre);
exit(1);
}
......@@ -1087,7 +1087,7 @@ ExecJRE(char *jre, char **argv)
*/
SetExecname(argv);
if (execname == NULL) {
ReportErrorMessage(JRE_ERROR10);
JLI_ReportErrorMessage(JRE_ERROR10);
exit(1);
}
......@@ -1106,7 +1106,7 @@ ExecJRE(char *jre, char **argv)
* can be so deadly.
*/
if (JLI_StrLen(wanted) + JLI_StrLen(progname) + 6 > PATH_MAX) {
ReportErrorMessage(JRE_ERROR11);
JLI_ReportErrorMessage(JRE_ERROR11);
exit(1);
}
......@@ -1126,7 +1126,7 @@ ExecJRE(char *jre, char **argv)
(void)fflush(stdout);
(void)fflush(stderr);
execv(wanted, argv);
ReportErrorMessageSys(JRE_ERROR12, wanted);
JLI_ReportErrorMessageSys(JRE_ERROR12, wanted);
exit(1);
}
......
src/solaris/classes/sun/nio/ch/EPollArrayWrapper.java
浏览文件 @ 731c5844
......@@ -69,11 +69,11 @@ class EPollArrayWrapper {
static final int EPOLL_CTL_MOD = 3;
// Miscellaneous constants
static final short SIZE_EPOLLEVENT = 12;
static final short EVENT_OFFSET = 0;
static final short DATA_OFFSET = 4;
static final short FD_OFFSET = 4;
static final int NUM_EPOLLEVENTS = Math.min(fdLimit(), 8192);
static final int SIZE_EPOLLEVENT = sizeofEPollEvent();
static final int EVENT_OFFSET = 0;
static final int DATA_OFFSET = offsetofData();
static final int FD_OFFSET = DATA_OFFSET;
static final int NUM_EPOLLEVENTS = Math.min(fdLimit(), 8192);
// Base address of the native pollArray
private final long pollArrayAddress;
......@@ -280,6 +280,8 @@ class EPollArrayWrapper {
private native void epollCtl(int epfd, int opcode, int fd, int events);
private native int epollWait(long pollAddress, int numfds, long timeout,
int epfd) throws IOException;
private static native int sizeofEPollEvent();
private static native int offsetofData();
private static native int fdLimit();
private static native void interrupt(int fd);
private static native void init();
......
src/solaris/native/sun/nio/ch/EPollArrayWrapper.c
浏览文件 @ 731c5844
......@@ -48,10 +48,18 @@ typedef union epoll_data {
__uint64_t u64;
} epoll_data_t;
/* x86-64 has same alignment as 32-bit */
#ifdef __x86_64__
#define EPOLL_PACKED __attribute__((packed))
#else
#define EPOLL_PACKED
#endif
struct epoll_event {
__uint32_t events; /* Epoll events */
epoll_data_t data; /* User data variable */
} __attribute__ ((__packed__));
} EPOLL_PACKED;
#ifdef __cplusplus
}
......@@ -143,6 +151,18 @@ Java_sun_nio_ch_EPollArrayWrapper_fdLimit(JNIEnv *env, jclass this)
return (jint)rlp.rlim_max;
}
JNIEXPORT jint JNICALL
Java_sun_nio_ch_EPollArrayWrapper_sizeofEPollEvent(JNIEnv* env, jclass this)
{
return sizeof(struct epoll_event);
}
JNIEXPORT jint JNICALL
Java_sun_nio_ch_EPollArrayWrapper_offsetofData(JNIEnv* env, jclass this)
{
return offsetof(struct epoll_event, data);
}
JNIEXPORT void JNICALL
Java_sun_nio_ch_EPollArrayWrapper_epollCtl(JNIEnv *env, jobject this, jint epfd,
jint opcode, jint fd, jint events)
......
src/windows/bin/java_md.c
浏览文件 @ 731c5844
......@@ -105,26 +105,26 @@ CreateExecutionEnvironment(int *_argc,
}
}
if (running != wanted) {
ReportErrorMessage(JRE_ERROR2, wanted);
JLI_ReportErrorMessage(JRE_ERROR2, wanted);
exit(1);
}
/* Find out where the JRE is that we will be using. */
if (!GetJREPath(jrepath, so_jrepath)) {
ReportErrorMessage(JRE_ERROR1);
JLI_ReportErrorMessage(JRE_ERROR1);
exit(2);
}
/* Find the specified JVM type */
if (ReadKnownVMs(jrepath, (char*)GetArch(), JNI_FALSE) < 1) {
ReportErrorMessage(CFG_ERROR7);
JLI_ReportErrorMessage(CFG_ERROR7);
exit(1);
}
jvmtype = CheckJvmType(_argc, _argv, JNI_FALSE);
jvmpath[0] = '\0';
if (!GetJVMPath(jrepath, jvmtype, jvmpath, so_jvmpath)) {
ReportErrorMessage(CFG_ERROR8, jvmtype, jvmpath);
JLI_ReportErrorMessage(CFG_ERROR8, jvmtype, jvmpath);
exit(4);
}
/* If we got here, jvmpath has been correctly initialized. */
......@@ -160,7 +160,7 @@ GetJREPath(char *path, jint pathsize)
goto found;
}
ReportErrorMessage(JRE_ERROR8 JAVA_DLL);
JLI_ReportErrorMessage(JRE_ERROR8 JAVA_DLL);
return JNI_FALSE;
found:
......@@ -212,7 +212,7 @@ LoadJavaVM(const char *jvmpath, InvocationFunctions *ifn)
JLI_TraceLauncher("CRT path is %s\n", crtpath);
if (_access(crtpath, 0) == 0) {
if (LoadLibrary(crtpath) == 0) {
ReportErrorMessage(DLL_ERROR4, crtpath);
JLI_ReportErrorMessage(DLL_ERROR4, crtpath);
return JNI_FALSE;
}
}
......@@ -220,7 +220,7 @@ LoadJavaVM(const char *jvmpath, InvocationFunctions *ifn)
/* Load the Java VM DLL */
if ((handle = LoadLibrary(jvmpath)) == 0) {
ReportErrorMessage(DLL_ERROR4, (char *)jvmpath);
JLI_ReportErrorMessage(DLL_ERROR4, (char *)jvmpath);
return JNI_FALSE;
}
......@@ -230,7 +230,7 @@ LoadJavaVM(const char *jvmpath, InvocationFunctions *ifn)
ifn->GetDefaultJavaVMInitArgs =
(void *)GetProcAddress(handle, "JNI_GetDefaultJavaVMInitArgs");
if (ifn->CreateJavaVM == 0 || ifn->GetDefaultJavaVMInitArgs == 0) {
ReportErrorMessage(JNI_ERROR1, (char *)jvmpath);
JLI_ReportErrorMessage(JNI_ERROR1, (char *)jvmpath);
return JNI_FALSE;
}
......@@ -292,19 +292,19 @@ GetPublicJREHome(char *buf, jint bufsize)
/* Find the current version of the JRE */
if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, JRE_KEY, 0, KEY_READ, &key) != 0) {
ReportErrorMessage(REG_ERROR1, JRE_KEY);
JLI_ReportErrorMessage(REG_ERROR1, JRE_KEY);
return JNI_FALSE;
}
if (!GetStringFromRegistry(key, "CurrentVersion",
version, sizeof(version))) {
ReportErrorMessage(REG_ERROR2, JRE_KEY);
JLI_ReportErrorMessage(REG_ERROR2, JRE_KEY);
RegCloseKey(key);
return JNI_FALSE;
}
if (JLI_StrCmp(version, GetDotVersion()) != 0) {
ReportErrorMessage(REG_ERROR3, JRE_KEY, version, GetDotVersion()
JLI_ReportErrorMessage(REG_ERROR3, JRE_KEY, version, GetDotVersion()
);
RegCloseKey(key);
return JNI_FALSE;
......@@ -312,13 +312,13 @@ GetPublicJREHome(char *buf, jint bufsize)
/* Find directory where the current version is installed. */
if (RegOpenKeyEx(key, version, 0, KEY_READ, &subkey) != 0) {
ReportErrorMessage(REG_ERROR1, JRE_KEY, version);
JLI_ReportErrorMessage(REG_ERROR1, JRE_KEY, version);
RegCloseKey(key);
return JNI_FALSE;
}
if (!GetStringFromRegistry(subkey, "JavaHome", buf, bufsize)) {
ReportErrorMessage(REG_ERROR4, JRE_KEY, version);
JLI_ReportErrorMessage(REG_ERROR4, JRE_KEY, version);
RegCloseKey(key);
RegCloseKey(subkey);
return JNI_FALSE;
......@@ -370,7 +370,7 @@ jlong Counter2Micros(jlong counts)
}
void
ReportErrorMessage(const char* fmt, ...) {
JLI_ReportErrorMessage(const char* fmt, ...) {
va_list vl;
va_start(vl,fmt);
......@@ -394,12 +394,12 @@ ReportErrorMessage(const char* fmt, ...) {
}
/*
* Just like ReportErrorMessage, except that it concatenates the system
* Just like JLI_ReportErrorMessage, except that it concatenates the system
* error message if any, its upto the calling routine to correctly
* format the separation of the messages.
*/
void
ReportErrorMessageSys(const char *fmt, ...)
JLI_ReportErrorMessageSys(const char *fmt, ...)
{
va_list vl;
......@@ -462,7 +462,7 @@ ReportErrorMessageSys(const char *fmt, ...)
va_end(vl);
}
void ReportExceptionDescription(JNIEnv * env) {
void JLI_ReportExceptionDescription(JNIEnv * env) {
if (IsJavaw()) {
/*
* This code should be replaced by code which opens a window with
......@@ -733,7 +733,7 @@ ExecJRE(char *jre, char **argv) {
*/
len = GetModuleFileName(NULL, path, MAXPATHLEN + 1);
if (len == 0 || len > MAXPATHLEN) {
ReportErrorMessageSys(JRE_ERROR9, progname);
JLI_ReportErrorMessageSys(JRE_ERROR9, progname);
exit(1);
}
......@@ -766,7 +766,7 @@ ExecJRE(char *jre, char **argv) {
* If it weren't for this semantic flaw, the code below would be ...
*
* execv(path, argv);
* ReportErrorMessage("Error: Exec of %s failed\n", path);
* JLI_ReportErrorMessage("Error: Exec of %s failed\n", path);
* exit(1);
*
* The incorrect exec semantics could be addressed by:
......@@ -876,7 +876,7 @@ ExecJRE(char *jre, char **argv) {
(LPCTSTR)NULL, /* current directory */
(LPSTARTUPINFO)&si, /* (in) startup information */
(LPPROCESS_INFORMATION)&pi)) { /* (out) process information */
ReportErrorMessageSys(SYS_ERROR1, path);
JLI_ReportErrorMessageSys(SYS_ERROR1, path);
exit(1);
}
......@@ -884,7 +884,7 @@ ExecJRE(char *jre, char **argv) {
if (GetExitCodeProcess(pi.hProcess, &exitCode) == FALSE)
exitCode = 1;
} else {
ReportErrorMessage(SYS_ERROR2);
JLI_ReportErrorMessage(SYS_ERROR2);
exitCode = 1;
}
......
test/java/lang/ThreadGroup/NullThreadName.java 0 → 100644
浏览文件 @ 731c5844
/*
* Copyright 2008 Sun Microsystems, Inc. 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.
*
* 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*/
/*
* @test
* @bug 6576763
* @summary (thread) Thread constructors throw undocumented NPE for null name
*/
/*
* Verify that threads constructed with a null thread name do not get added
* to the list of unstarted thread for a thread group. We can do this by
* checking that a daemon threadGroup is desroyed after its final valid thread
* has completed.
*/
import java.util.concurrent.CountDownLatch;
import static java.lang.System.out;
public class NullThreadName
{
static CountDownLatch done = new CountDownLatch(1);
public static void main(String args[]) throws Exception {
ThreadGroup tg = new ThreadGroup("chegar-threads");
Thread goodThread = new Thread(tg, new GoodThread(), "goodThread");
try {
Thread badThread = new Thread(tg, new Runnable(){
@Override
public void run() {} }, null);
} catch (NullPointerException npe) {
out.println("OK, caught expected " + npe);
}
tg.setDaemon(true);
goodThread.start();
done.await();
int count = 0;
while (goodThread.isAlive()) {
/* Hold off a little to allow the thread to complete */
out.println("GoodThread still alive, sleeping...");
try { Thread.sleep(2000); }
catch (InterruptedException unused) {}
/* do not wait forever */
if (count++ > 5)
throw new AssertionError("GoodThread is still alive!");
}
if (!tg.isDestroyed()) {
throw new AssertionError("Failed: Thread group is not destroyed.");
}
}
static class GoodThread implements Runnable
{
@Override
public void run() {
out.println("Good Thread started...");
out.println("Good Thread finishing");
done.countDown();
}
}
}
test/java/lang/reflect/Generics/TestPlainArrayNotGeneric.java 0 → 100644
浏览文件 @ 731c5844
/*
* Copyright 2008 Sun Microsystems, Inc. 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.
*
* 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*/
/*
* @test
* @bug 5041784
* @summary Check that plain arrays like String[] are never represented as
* GenericArrayType.
* @author Eamonn McManus
*/
import java.lang.reflect.Constructor;
import java.lang.reflect.GenericArrayType;
import java.lang.reflect.GenericDeclaration;
import java.lang.reflect.Method;
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
import java.lang.reflect.TypeVariable;
import java.lang.reflect.WildcardType;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
public class TestPlainArrayNotGeneric {
public String[] m1(List<String> p1) {return null;}
public List<String> m2(String[] p1) {return null;}
public void m3(List<String> p1, String[] p2) {}
public void m4(List<String[]> p1) {}
public TestPlainArrayNotGeneric(List<String[]> p1) {}
public TestPlainArrayNotGeneric(List<String> p1, String[] p2) {}
public <T extends List<String[]>> T m5(T p1) {return null;}
public <T extends Object> T[] m6(T[] p1, List<T[]> p2) {return null;}
public List<? extends Object[]> m6(List<? extends Object[]> p1) {return null;}
public <T extends List<? extends Object[]>> T m7(T[] p1) {return null;}
public List<? super Object[]> m8(List<? super Object[]> p1) {return null;}
public <T extends List<? super Object[]>> T[] m9(T[] p1) {return null;}
public static interface XMap extends Map<List<String[]>, String[]> {}
public static interface YMap<K extends List<String[]>, V>
extends Map<K[], V[]> {}
private static String lastFailure;
private static int failureCount;
public static void main(String[] args) throws Exception {
checkClass(TestPlainArrayNotGeneric.class);
if (failureCount == 0)
System.out.println("TEST PASSED");
else
throw new Exception("TEST FAILED: Last failure: " + lastFailure);
}
private static void checkClass(Class<?> c) throws Exception {
Method[] methods = c.getMethods();
for (Method m : methods) {
check(m.getGenericReturnType(), "return type of method " + m);
check(m.getGenericParameterTypes(), "parameter", "method " + m);
check(m.getTypeParameters(), "type parameter", "method " + m);
}
Constructor[] constructors = c.getConstructors();
for (Constructor constr : constructors) {
check(constr.getGenericParameterTypes(), "parameter",
"constructor " + constr);
check(constr.getTypeParameters(), "type parameter",
"constructor " + constr);
}
Class<?>[] inners = c.getDeclaredClasses();
for (Class inner : inners)
checkClass(inner);
}
private static void check(Type[] types, String elementKind, String what) {
for (int i = 0; i < types.length; i++) {
Type t = types[i];
check(t, elementKind + " " + (i+1) + " of " + what);
}
}
private static final Set<Type> checking = new HashSet<Type>();
private static void check(Type t, String what) {
if (t == null || !checking.add(t))
return;
// Avoid infinite recursion. t can be null e.g. for superclass of Object.
try {
check2(t, what);
} finally {
checking.remove(t);
}
}
private static void check2(Type t, String what) {
if (t instanceof ParameterizedType) {
ParameterizedType pt = (ParameterizedType) t;
check(pt.getActualTypeArguments(), "type argument", what);
} else if (t instanceof TypeVariable) {
TypeVariable<?> tv = (TypeVariable<?>) t;
check(tv.getBounds(), "bound", what);
GenericDeclaration gd = tv.getGenericDeclaration();
if (gd instanceof Type)
check((Type) gd, "declaration containing " + what);
} else if (t instanceof WildcardType) {
WildcardType wt = (WildcardType) t;
check(wt.getLowerBounds(), "lower bound", "wildcard type in " + what);
check(wt.getUpperBounds(), "upper bound", "wildcard type in " + what);
} else if (t instanceof Class<?>) {
Class<?> c = (Class<?>) t;
check(c.getGenericInterfaces(), "superinterface", c.toString());
check(c.getGenericSuperclass(), "superclass of " + c);
check(c.getTypeParameters(), "type parameter", c.toString());
} else if (t instanceof GenericArrayType) {
GenericArrayType gat = (GenericArrayType) t;
Type comp = gat.getGenericComponentType();
if (comp instanceof Class) {
fail("Type " + t + " uses GenericArrayType when plain " +
"array would do, in " + what);
} else
check(comp, "component type of " + what);
} else {
fail("TEST BUG: mutant Type " + t + " (a " + t.getClass().getName() + ")");
}
}
private static void fail(String why) {
System.out.println("FAIL: " + why);
lastFailure = why;
failureCount++;
}
}
test/java/nio/BufferPoolMXBean/Basic.java 0 → 100644
浏览文件 @ 731c5844
/*
* Copyright 2007-2008 Sun Microsystems, Inc. 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.
*
* 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*/
/* @test
* @bug 6606598
* @summary Unit test for java.nio.BufferPoolMXBean
*/
import java.nio.ByteBuffer;
import java.nio.MappedByteBuffer;
import java.nio.BufferPoolMXBean;
import java.nio.channels.FileChannel;
import java.io.File;
import java.io.RandomAccessFile;
import java.lang.management.ManagementFactory;
import javax.management.MBeanServer;
import javax.management.ObjectName;
import java.util.*;
public class Basic {
// static fields to ensure buffers aren't GC'ed
static List<ByteBuffer> buffers;
static MappedByteBuffer mbb;
// check counters
static void check(List<BufferPoolMXBean> pools,
int minBufferCount,
long minTotalCapacity)
{
int bufferCount = 0;
long totalCap = 0;
long totalMem = 0;
for (BufferPoolMXBean pool: pools) {
bufferCount += pool.getCount();
totalCap += pool.getTotalCapacity();
totalMem += pool.getMemoryUsed();
}
if (bufferCount < minBufferCount)
throw new RuntimeException("Count less than expected");
if (totalMem < minTotalCapacity)
throw new RuntimeException("Memory usage less than expected");
if (totalCap < minTotalCapacity)
throw new RuntimeException("Total capacity less than expected");
}
public static void main(String[] args) throws Exception {
Random rand = new Random();
// allocate a few direct buffers
int bufferCount = 5 + rand.nextInt(20);
buffers = new ArrayList<ByteBuffer>(bufferCount);
long totalCapacity = 0L;
for (int i=0; i<bufferCount; i++) {
int cap = 1024 + rand.nextInt(4096);
buffers.add( ByteBuffer.allocateDirect(cap) );
totalCapacity += cap;
}
// map a file
File f = File.createTempFile("blah", null);
f.deleteOnExit();
RandomAccessFile raf = new RandomAccessFile(f, "rw");
FileChannel fc = raf.getChannel();
mbb = fc.map(FileChannel.MapMode.READ_WRITE, 10, 100);
bufferCount++;
totalCapacity += mbb.capacity();
// direct
List<BufferPoolMXBean> pools =
ManagementFactory.getPlatformMXBeans(BufferPoolMXBean.class);
check(pools, bufferCount, totalCapacity);
// using MBeanServer
MBeanServer server = ManagementFactory.getPlatformMBeanServer();
Set<ObjectName> mbeans = server.queryNames(
new ObjectName("java.nio:type=BufferPool,*"), null);
pools = new ArrayList<BufferPoolMXBean>();
for (ObjectName name: mbeans) {
BufferPoolMXBean pool = ManagementFactory
.newPlatformMXBeanProxy(server, name.toString(), BufferPoolMXBean.class);
pools.add(pool);
}
check(pools, bufferCount, totalCapacity);
}
}
test/sun/nio/cs/CheckICNE.java 0 → 100644
浏览文件 @ 731c5844
/*
* Copyright 2008 Sun Microsystems, Inc. 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.
*
* 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*/
/* @test
@bug 4849617
@summary Checks "+" is a legal character for charset name
*/
import java.nio.charset.*;
public class CheckICNE {
static int failed = 0;
public static void main (String[] args) throws Exception {
try {
Charset.forName("abc+");
} catch (UnsupportedCharsetException uce) {}
try {
java.nio.charset.Charset.forName("+abc");
} catch (IllegalCharsetNameException icne) {}
String[] euros = {"PC-Multilingual-850+euro",
"ebcdic-us-037+euro",
"ebcdic-de-273+euro",
"ebcdic-no-277+euro",
"ebcdic-dk-277+euro",
"ebcdic-fi-278+euro",
"ebcdic-se-278+euro",
"ebcdic-it-280+euro",
"ebcdic-es-284+euro",
"ebcdic-gb-285+euro",
"ebcdic-fr-277+euro",
"ebcdic-international-500+euro",
"ebcdic-s-871+euro"
};
System.out.println("Test Passed!");
}
}
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