This commit is contained in:
Alejandro Murillo 2015-06-08 11:11:48 -07:00
commit 84e8aa917e
15 changed files with 82 additions and 590 deletions

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@ -61,7 +61,7 @@ $(eval $(call SetupNativeCompilation,BUILD_LIBINSTRUMENT, \
OUTPUT_DIR := $(INSTALL_LIBRARIES_HERE), \
SRC := $(LIBINSTRUMENT_SRC), \
OPTIMIZATION := LOW, \
CFLAGS := $(LIBINSTRUMENT_CFLAGS) $(CFLAGS_WARNINGS_ARE_ERRORS), \
CFLAGS := $(LIBINSTRUMENT_CFLAGS), \
CFLAGS_debug := -DJPLIS_LOGGING, \
CFLAGS_release := -DNO_JPLIS_LOGGING, \
MAPFILE := $(JDK_TOPDIR)/make/mapfiles/libinstrument/mapfile-vers, \

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@ -50,7 +50,7 @@ $(eval $(call SetupNativeCompilation,BUILD_LIBMANAGEMENT, \
OUTPUT_DIR := $(INSTALL_LIBRARIES_HERE), \
SRC := $(LIBMANAGEMENT_SRC), \
OPTIMIZATION := $(LIBMANAGEMENT_OPTIMIZATION), \
CFLAGS := $(CFLAGS_JDKLIB) $(CFLAGS_WARNINGS_ARE_ERRORS) $(LIBMANAGEMENT_CFLAGS), \
CFLAGS := $(CFLAGS_JDKLIB) $(LIBMANAGEMENT_CFLAGS), \
MAPFILE := $(JDK_TOPDIR)/make/mapfiles/libmanagement/mapfile-vers, \
LDFLAGS := $(LDFLAGS_JDKLIB) \
$(call SET_SHARED_LIBRARY_ORIGIN), \

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@ -1,5 +1,5 @@
#
# Copyright (c) 2011, 2014, Oracle and/or its affiliates. All rights reserved.
# Copyright (c) 2011, 2015, 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
@ -39,7 +39,7 @@ $(eval $(call SetupNativeCompilation,BUILD_LIBATTACH, \
OUTPUT_DIR := $(INSTALL_LIBRARIES_HERE), \
SRC := $(call FindSrcDirsForLib, jdk.attach, attach), \
OPTIMIZATION := LOW, \
CFLAGS := $(CFLAGS_JDKLIB) $(CFLAGS_WARNINGS_ARE_ERRORS) \
CFLAGS := $(CFLAGS_JDKLIB) \
-I$(SUPPORT_OUTPUTDIR)/headers/jdk.attach \
$(LIBJAVA_HEADER_FLAGS) $(LIBATTACH_CFLAGS), \
CFLAGS_windows := /Gy, \

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@ -1,5 +1,5 @@
#
# Copyright (c) 2011, 2014, Oracle and/or its affiliates. All rights reserved.
# Copyright (c) 2011, 2015, 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
@ -31,7 +31,7 @@ BUILD_LIBHPROF_SRC := $(call FindSrcDirsForLib, jdk.hprof.agent, hprof)
BUILD_LIBHPROF_CFLAGS := $(addprefix -I, $(BUILD_LIBHPROF_SRC)) \
-I$(JDK_TOPDIR)/src/demo/share/jvmti/java_crw_demo
BUILD_LIBHPROF_LDFLAGS :=
LIBHPROF_OPTIMIZATION := HIGHEST
@ -46,7 +46,7 @@ $(eval $(call SetupNativeCompilation,BUILD_LIBHPROF, \
OUTPUT_DIR := $(INSTALL_LIBRARIES_HERE), \
SRC := $(BUILD_LIBHPROF_SRC), \
OPTIMIZATION := $(LIBHPROF_OPTIMIZATION), \
CFLAGS := $(CFLAGS_JDKLIB) $(CFLAGS_WARNINGS_ARE_ERRORS) \
CFLAGS := $(CFLAGS_JDKLIB) \
$(BUILD_LIBHPROF_CFLAGS), \
CFLAGS_debug := -DHPROF_LOGGING, \
MAPFILE := $(JDK_TOPDIR)/make/mapfiles/libhprof/mapfile-vers, \
@ -75,7 +75,7 @@ $(eval $(call SetupNativeCompilation,BUILD_LIBJAVA_CRW_DEMO, \
OUTPUT_DIR := $(INSTALL_LIBRARIES_HERE), \
SRC := $(LIBJAVA_CRW_DEMO_SRC), \
OPTIMIZATION := LOW, \
CFLAGS := $(CFLAGS_JDKLIB) $(CFLAGS_WARNINGS_ARE_ERRORS) \
CFLAGS := $(CFLAGS_JDKLIB) \
$(addprefix -I, $(LIBJAVA_CRW_DEMO_SRC)), \
MAPFILE := $(JDK_TOPDIR)/make/mapfiles/libjava_crw_demo/mapfile-vers, \
LDFLAGS := $(LDFLAGS_JDKLIB) \

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@ -1,5 +1,5 @@
#
# Copyright (c) 2011, 2014, Oracle and/or its affiliates. All rights reserved.
# Copyright (c) 2011, 2015, 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
@ -44,7 +44,7 @@ ifeq ($(OPENJDK_TARGET_OS), windows)
OUTPUT_DIR := $(INSTALL_LIBRARIES_HERE), \
SRC := $(LIBDT_SHMEM_SRC), \
OPTIMIZATION := LOW, \
CFLAGS := $(CFLAGS_JDKLIB) $(CFLAGS_WARNINGS_ARE_ERRORS) -DUSE_MMAP \
CFLAGS := $(CFLAGS_JDKLIB) -DUSE_MMAP \
$(LIBDT_SHMEM_CPPFLAGS), \
LDFLAGS := $(LDFLAGS_JDKLIB), \
LDFLAGS_windows := -export:jdwpTransport_OnLoad, \

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@ -1,5 +1,5 @@
#
# Copyright (c) 2011, 2014, Oracle and/or its affiliates. All rights reserved.
# Copyright (c) 2011, 2015, 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
@ -41,7 +41,7 @@ $(eval $(call SetupNativeCompilation,BUILD_LIBDT_SOCKET, \
OUTPUT_DIR := $(INSTALL_LIBRARIES_HERE), \
SRC := $(LIBDT_SOCKET_SRC), \
OPTIMIZATION := LOW, \
CFLAGS := $(CFLAGS_JDKLIB) $(CFLAGS_CFLAGS_WARNINGS_ARE_ERRORS) -DUSE_MMAP \
CFLAGS := $(CFLAGS_JDKLIB) -DUSE_MMAP \
$(LIBDT_SOCKET_CPPFLAGS), \
MAPFILE := $(JDK_TOPDIR)/make/mapfiles/libdt_socket/mapfile-vers, \
LDFLAGS := $(LDFLAGS_JDKLIB) \
@ -77,7 +77,7 @@ $(eval $(call SetupNativeCompilation,BUILD_LIBJDWP, \
OUTPUT_DIR := $(INSTALL_LIBRARIES_HERE), \
SRC := $(LIBJDWP_SRC), \
OPTIMIZATION := LOW, \
CFLAGS := $(CFLAGS_JDKLIB) $(CFLAGS_WARNINGS_ARE_ERRORS) -DJDWP_LOGGING \
CFLAGS := $(CFLAGS_JDKLIB) -DJDWP_LOGGING \
$(LIBJDWP_CPPFLAGS) \
-I$(SUPPORT_OUTPUTDIR)/headers/jdk.jdwp.agent, \
MAPFILE := $(JDK_TOPDIR)/make/mapfiles/libjdwp/mapfile-vers, \

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@ -59,7 +59,7 @@ $(eval $(call SetupNativeCompilation,BUILD_LIBMANAGEMENT_EXT, \
SRC := $(LIBMANAGEMENT_EXT_SRC), \
LANG := C, \
OPTIMIZATION := $(LIBMANAGEMENT_EXT_OPTIMIZATION), \
CFLAGS := $(CFLAGS_JDKLIB) $(CFLAGS_WARNINGS_ARE_ERRORS) $(LIBMANAGEMENT_EXT_CFLAGS), \
CFLAGS := $(CFLAGS_JDKLIB) $(LIBMANAGEMENT_EXT_CFLAGS), \
MAPFILE := $(JDK_TOPDIR)/make/mapfiles/libmanagement_ext/mapfile-vers, \
LDFLAGS := $(LDFLAGS_JDKLIB) \
$(call SET_SHARED_LIBRARY_ORIGIN), \

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@ -1,5 +1,5 @@
#
# Copyright (c) 2011, 2014, Oracle and/or its affiliates. All rights reserved.
# Copyright (c) 2011, 2015, 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
@ -30,12 +30,8 @@ include LibCommon.gmk
ifeq ($(OPENJDK_TARGET_OS_TYPE), unix)
ifeq (, $(filter $(OPENJDK_TARGET_OS), macosx aix))
# Suppress unused parameters required by exported JNI functions.
SCTP_WERROR := -Werror -Wno-error=unused-parameter
ifeq ($(OPENJDK_TARGET_CPU_ARCH), ppc)
SCTP_WERROR :=
endif
# DISABLED_WARNINGS_gcc := unused-parameter needed to
# suppress unused parameters required by exported JNI functions.
$(eval $(call SetupNativeCompilation,BUILD_LIBSCTP, \
LIBRARY := sctp, \
@ -49,7 +45,7 @@ ifeq ($(OPENJDK_TARGET_OS_TYPE), unix)
$(LIBJAVA_HEADER_FLAGS) \
-I$(SUPPORT_OUTPUTDIR)/headers/jdk.sctp \
-I$(SUPPORT_OUTPUTDIR)/headers/java.base, \
CFLAGS_linux := $(SCTP_WERROR), \
DISABLED_WARNINGS_gcc := unused-parameter, \
MAPFILE := $(JDK_TOPDIR)/make/mapfiles/libsctp/mapfile-vers, \
LDFLAGS := $(LDFLAGS_JDKLIB) \
$(call SET_SHARED_LIBRARY_ORIGIN), \

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@ -27,8 +27,6 @@ package java.lang.invoke;
import static java.lang.invoke.MethodHandleStatics.*;
import static java.lang.invoke.MethodHandles.Lookup.IMPL_LOOKUP;
import java.lang.reflect.Field;
import sun.misc.Cleaner;
/**
* A {@code CallSite} is a holder for a variable {@link MethodHandle},
@ -138,47 +136,9 @@ public class CallSite {
/**
* {@code CallSite} dependency context.
* VM uses context class to store nmethod dependencies on the call site target.
* Can be in 2 states: (a) null; or (b) {@code Cleaner} instance pointing to some Class instance.
* Lazily initialized when CallSite instance is linked to some indy call site or VM needs
* it to store dependencies. As a corollary, "null" context means there are no dependencies
* registered yet. {@code Cleaner} is used in 2 roles:
* (a) context class access for VM;
* (b) stale context class cleanup.
* {@code Cleaner} holds the context class until cleanup action is finished (see {@code PhantomReference}).
* Though it's impossible to get the context class using {@code Reference.get()}, VM extracts it directly
* from {@code Reference.referent} field.
* JVM uses CallSite.context to store nmethod dependencies on the call site target.
*/
private volatile Cleaner context = null;
/**
* Default context.
* VM uses it to initialize non-linked CallSite context.
*/
private static class DefaultContext {}
private static final Cleaner DEFAULT_CONTEXT = makeContext(DefaultContext.class, null);
private static Cleaner makeContext(Class<?> referent, final CallSite holder) {
return Cleaner.create(referent,
new Runnable() {
@Override public void run() {
MethodHandleNatives.invalidateDependentNMethods(holder);
}
});
}
/** Initialize context class used for nmethod dependency tracking */
/*package-private*/
void initContext(Class<?> newContext) {
// If there are concurrent actions, exactly one succeeds.
if (context == null) {
UNSAFE.compareAndSwapObject(this, CONTEXT_OFFSET, /*expected=*/null, makeContext(newContext, this));
// No need to care about failed CAS attempt.
// Since initContext is called from indy call site linkage in newContext class, there's no risk
// that the context class becomes dead while corresponding context cleaner is alive (causing cleanup
// action in the wrong context).
}
}
private final MethodHandleNatives.CallSiteContext context = MethodHandleNatives.CallSiteContext.make(this);
/**
* Returns the type of this call site's target.

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@ -30,6 +30,7 @@ import java.lang.reflect.Field;
import static java.lang.invoke.MethodHandleNatives.Constants.*;
import static java.lang.invoke.MethodHandleStatics.*;
import static java.lang.invoke.MethodHandles.Lookup.IMPL_LOOKUP;
import sun.misc.Cleaner;
/**
* The JVM interface for the method handles package is all here.
@ -61,8 +62,27 @@ class MethodHandleNatives {
static native void setCallSiteTargetNormal(CallSite site, MethodHandle target);
static native void setCallSiteTargetVolatile(CallSite site, MethodHandle target);
/** Invalidate CallSite context: clean up dependent nmethods and reset call site context to initial state (null). */
static native void invalidateDependentNMethods(CallSite site);
/** Represents a context to track nmethod dependencies on CallSite instance target. */
static class CallSiteContext implements Runnable {
//@Injected JVM_nmethodBucket* vmdependencies;
static CallSiteContext make(CallSite cs) {
final CallSiteContext newContext = new CallSiteContext();
// Cleaner is attached to CallSite instance and it clears native structures allocated for CallSite context.
// Though the CallSite can become unreachable, its Context is retained by the Cleaner instance (which is
// referenced from Cleaner class) until cleanup is performed.
Cleaner.create(cs, newContext);
return newContext;
}
@Override
public void run() {
MethodHandleNatives.clearCallSiteContext(this);
}
}
/** Invalidate all recorded nmethods. */
private static native void clearCallSiteContext(CallSiteContext context);
private static native void registerNatives();
static {
@ -235,7 +255,6 @@ class MethodHandleNatives {
return Invokers.linkToTargetMethod(type);
} else {
appendixResult[0] = callSite;
callSite.initContext(caller);
return Invokers.linkToCallSiteMethod(type);
}
}

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@ -38,12 +38,19 @@ public class InvokeSeveralWays {
failures++;
} catch (InvocationTargetException e) {
Throwable c = e.getCause();
if (expected.isInstance(c))
System.out.println("EXPECTED: " + expected.getName() + ", "+ c);
else {
failures++;
System.out.println("FAIL: Unexpected wrapped exception " + c);
e.printStackTrace(System.out);
if (BootstrapMethodError.class.isInstance(c)) {
c = c.getCause();
if (expected.isInstance(c))
System.out.println("EXPECTED: " + expected.getName() + ", "+ c);
else {
failures++;
System.out.println("FAIL: Unexpected wrapped exception " + c);
e.printStackTrace(System.out);
}
} else {
failures++;
System.out.println("FAIL: Exception from MethodHandle invocation not wrapped in BootstrapMethodError " + c);
e.printStackTrace(System.out);
}
} catch (Throwable e) {
failures++;
@ -74,14 +81,19 @@ public class InvokeSeveralWays {
Invoker.invoke();
System.out.println("FAIL: No exception throw, probably failed to load modified bytecodes for MethodSupplier");
failures++;
} catch (Throwable e) {
if (expected.isInstance(e))
System.out.println("EXPECTED: " + expected.getName() + ", "+ e);
} catch (BootstrapMethodError e) {
Throwable c = e.getCause();
if (expected.isInstance(c))
System.out.println("EXPECTED: " + expected.getName() + ", "+ c);
else {
failures++;
System.out.println("FAIL: Unexpected exception has been caught " + e);
e.printStackTrace(System.out);
failures++;
System.out.println("FAIL: Unexpected exception has been caught " + c);
e.printStackTrace(System.out);
}
} catch (Throwable e) {
failures++;
System.out.println("FAIL: Exception from MethodHandle invocation not wrapped in BootstrapMethodError " + e);
e.printStackTrace(System.out);
}
System.out.println();
try {

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@ -21,25 +21,29 @@
* questions.
*/
/*
* @test
* @bug 8042397
* @summary Unit test for jmap utility test heap configuration reader
* @library /lib/testlibrary
* @modules java.management
* @build jdk.testlibrary.*
* @build JMapHeapConfigTest LingeredApp TmtoolTestScenario
* @run main JMapHeapConfigTest
*/
import java.io.IOException;
import java.math.BigDecimal;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import jdk.test.lib.apps.LingeredApp;
import jdk.testlibrary.Utils;
import jdk.testlibrary.Platform;
/*
* @test
* @bug 8042397
* @summary Unit test for jmap utility test heap configuration reader
* @library /../../test/lib/share/classes
* @library /lib/testlibrary
* @modules java.management
* @build jdk.testlibrary.*
* @build jdk.test.lib.apps.*
* @build JMapHeapConfigTest TmtoolTestScenario
* @run main JMapHeapConfigTest
*/
public class JMapHeapConfigTest {
static final String expectedJMapValues[] = {

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@ -1,431 +0,0 @@
/*
* Copyright (c) 2015, 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.
*
* 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.
*/
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.nio.file.Files;
import java.nio.file.NoSuchFileException;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.nio.file.attribute.BasicFileAttributes;
import java.nio.file.attribute.FileTime;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.Map;
import java.util.UUID;
/**
* This is a framework to launch an app that could be synchronized with caller
* to make further attach actions reliable across supported platforms
* Caller example:
* SmartTestApp a = SmartTestApp.startApp(cmd);
* // do something
* a.stopApp();
*
* or fine grained control
*
* a = new SmartTestApp("MyLock.lck");
* a.createLock();
* a.runApp();
* a.waitAppReady();
* // do something
* a.deleteLock();
* a.waitAppTerminate();
*
* Then you can work with app output and process object
*
* output = a.getAppOutput();
* process = a.getProcess();
*
*/
public class LingeredApp {
private static final long spinDelay = 1000;
private final String lockFileName;
private long lockCreationTime;
private Process appProcess;
private final ArrayList<String> storedAppOutput;
/*
* Drain child process output, store it into string array
*/
class InputGobbler extends Thread {
InputStream is;
List<String> astr;
InputGobbler(InputStream is, List<String> astr) {
this.is = is;
this.astr = astr;
}
public void run() {
try {
InputStreamReader isr = new InputStreamReader(is);
BufferedReader br = new BufferedReader(isr);
String line = null;
while ((line = br.readLine()) != null) {
astr.add(line);
}
} catch (IOException ex) {
// pass
}
}
}
/**
* Create LingeredApp object on caller side. Lock file have be a valid filename
* at writable location
*
* @param lockFileName - the name of lock file
*/
public LingeredApp(String lockFileName) {
this.lockFileName = lockFileName;
this.storedAppOutput = new ArrayList();
}
/**
*
* @return name of lock file
*/
public String getLockFileName() {
return this.lockFileName;
}
/**
*
* @return name of testapp
*/
public String getAppName() {
return this.getClass().getName();
}
/**
*
* @return pid of java process running testapp
*/
public long getPid() {
if (appProcess == null) {
throw new RuntimeException("Process is not alive");
}
return appProcess.getPid();
}
/**
*
* @return process object
*/
public Process getProcess() {
return appProcess;
}
/**
*
* @return application output as string array. Empty array if application produced no output
*/
List<String> getAppOutput() {
if (appProcess.isAlive()) {
throw new RuntimeException("Process is still alive. Can't get its output.");
}
return storedAppOutput;
}
/* Make sure all part of the app use the same method to get dates,
as different methods could produce different results
*/
private static long epoch() {
return new Date().getTime();
}
private static long lastModified(String fileName) throws IOException {
Path path = Paths.get(fileName);
BasicFileAttributes attr = Files.readAttributes(path, BasicFileAttributes.class);
return attr.lastModifiedTime().toMillis();
}
private static void setLastModified(String fileName, long newTime) throws IOException {
Path path = Paths.get(fileName);
FileTime fileTime = FileTime.fromMillis(newTime);
Files.setLastModifiedTime(path, fileTime);
}
/**
* create lock
*
* @throws IOException
*/
public void createLock() throws IOException {
Path path = Paths.get(lockFileName);
// Files.deleteIfExists(path);
Files.createFile(path);
lockCreationTime = lastModified(lockFileName);
}
/**
* Delete lock
*
* @throws IOException
*/
public void deleteLock() throws IOException {
try {
Path path = Paths.get(lockFileName);
Files.delete(path);
} catch (NoSuchFileException ex) {
// Lock already deleted. Ignore error
}
}
public void waitAppTerminate() {
while (true) {
try {
appProcess.waitFor();
break;
} catch (InterruptedException ex) {
// pass
}
}
}
/**
* The app touches the lock file when it's started
* wait while it happens. Caller have to delete lock on wait error.
*
* @param timeout
* @throws java.io.IOException
*/
public void waitAppReady(long timeout) throws IOException {
long here = epoch();
while (true) {
long epoch = epoch();
if (epoch - here > (timeout * 1000)) {
throw new IOException("App waiting timeout");
}
// Live process should touch lock file every second
long lm = lastModified(lockFileName);
if (lm > lockCreationTime) {
break;
}
// Make sure process didn't already exit
if (!appProcess.isAlive()) {
throw new IOException("App exited unexpectedly with " + appProcess.exitValue());
}
try {
Thread.sleep(spinDelay);
} catch (InterruptedException ex) {
// pass
}
}
}
/**
* Run the app
*
* @param vmArguments
* @throws IOException
*/
public void runApp(List<String> vmArguments)
throws IOException {
// We should always use testjava or throw an exception,
// so we can't use JDKToolFinder.getJDKTool("java");
// that falls back to compile java on error
String jdkPath = System.getProperty("test.jdk");
if (jdkPath == null) {
// we are not under jtreg, try env
Map<String, String> env = System.getenv();
jdkPath = env.get("TESTJAVA");
}
if (jdkPath == null) {
throw new RuntimeException("Can't determine jdk path neither test.jdk property no TESTJAVA env are set");
}
String osname = System.getProperty("os.name");
String javapath = jdkPath + ((osname.startsWith("window")) ? "/bin/java.exe" : "/bin/java");
List<String> cmd = new ArrayList();
cmd.add(javapath);
if (vmArguments == null) {
// Propagate test.vm.options to LingeredApp, filter out possible empty options
String testVmOpts[] = System.getProperty("test.vm.opts","").split("\\s+");
for (String s : testVmOpts) {
if (!s.equals("")) {
cmd.add(s);
}
}
}
else{
// Lets user manage LingerApp options
cmd.addAll(vmArguments);
}
// Make sure we set correct classpath to run the app
cmd.add("-cp");
String classpath = System.getProperty("test.class.path");
cmd.add((classpath == null) ? "." : classpath);
cmd.add(this.getAppName());
cmd.add(lockFileName);
// Reporting
StringBuilder cmdLine = new StringBuilder();
for (String strCmd : cmd) {
cmdLine.append("'").append(strCmd).append("' ");
}
// A bit of verbosity
System.out.println("Command line: [" + cmdLine.toString() + "]");
ProcessBuilder pb = new ProcessBuilder(cmd);
// we don't expect any error output but make sure we are not stuck on pipe
// pb.redirectErrorStream(false);
pb.redirectError(ProcessBuilder.Redirect.INHERIT);
appProcess = pb.start();
// Create pipe reader for process, and read stdin and stderr to array of strings
InputGobbler gb = new InputGobbler(appProcess.getInputStream(), storedAppOutput);
gb.start();
}
/**
* High level interface for test writers
*/
/**
* Factory method that creates SmartAppTest object with ready to use application
* lock name is autogenerated, wait timeout is hardcoded
* @param cmd - vm options, could be null to auto add testvm.options
* @return LingeredApp object
* @throws IOException
*/
public static LingeredApp startApp(List<String> cmd) throws IOException {
final String lockName = UUID.randomUUID().toString() + ".lck";
final int waitTime = 10;
LingeredApp a = new LingeredApp(lockName);
a.createLock();
try {
a.runApp(cmd);
a.waitAppReady(waitTime);
} catch (Exception ex) {
a.deleteLock();
throw ex;
}
return a;
}
public static LingeredApp startApp() throws IOException {
return startApp(null);
}
/**
* Delete lock file that signal app to terminate, then
* waits until app is actually terminated.
* @throws IOException
*/
public void stopApp() throws IOException {
deleteLock();
waitAppTerminate();
int exitcode = appProcess.exitValue();
if (exitcode != 0) {
throw new IOException("LingeredApp terminated with non-zero exit code " + exitcode);
}
}
/**
* LastModified time might not work correctly in some cases it might
* cause later failures
*/
public static boolean isLastModifiedWorking() {
boolean sane = true;
try {
long lm = lastModified(".");
if (lm == 0) {
System.err.println("SANITY Warning! The lastModifiedTime() doesn't work on this system, it returns 0");
sane = false;
}
long now = epoch();
if (lm > now) {
System.err.println("SANITY Warning! The Clock is wrong on this system lastModifiedTime() > getTime()");
sane = false;
}
setLastModified(".", epoch());
long lm1 = lastModified(".");
if (lm1 <= lm) {
System.err.println("SANITY Warning! The setLastModified doesn't work on this system");
sane = false;
}
}
catch(IOException e) {
System.err.println("SANITY Warning! IOException during sanity check " + e);
sane = false;
}
return sane;
}
/**
* This part is the application it self
*/
public static void main(String args[]) {
if (args.length != 1) {
System.err.println("Lock file name is not specified");
System.exit(7);
}
String theLockFileName = args[0];
try {
Path path = Paths.get(theLockFileName);
while (Files.exists(path)) {
// Touch the lock to indicate our readiness
setLastModified(theLockFileName, epoch());
Thread.sleep(spinDelay);
}
} catch (NoSuchFileException ex) {
// Lock deleted while we are setting last modified time.
// Ignore error and lets the app exits
} catch (Exception ex) {
System.err.println("LingeredApp ERROR: " + ex);
// Leave exit_code = 1 to Java launcher
System.exit(3);
}
System.exit(0);
}
}

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@ -1,70 +0,0 @@
/*
* Copyright (c) 2015, 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.
*
* 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.
*/
/*
* @test
* @summary Unit test for LingeredApp
* @compile LingeredAppTest.java
* @compile LingeredApp.java
* @run main LingeredAppTest
*/
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
public class LingeredAppTest {
public static void main(String[] args) {
try {
System.out.println("Starting LingeredApp with default parameters");
ArrayList<String> cmd = new ArrayList();
// Propagate test.vm.options to LingeredApp, filter out possible empty options
String testVmOpts[] = System.getProperty("test.vm.opts","").split("\\s+");
for (String s : testVmOpts) {
if (!s.equals("")) {
cmd.add(s);
}
}
cmd.add("-XX:+PrintFlagsFinal");
LingeredApp a = LingeredApp.startApp(cmd);
System.out.printf("App pid: %d\n", a.getPid());
a.stopApp();
System.out.println("App output:");
int count = 0;
for (String line : a.getAppOutput()) {
count += 1;
}
System.out.println("Found " + count + " lines in VM output");
System.out.println("Test PASSED");
} catch (IOException ex) {
ex.printStackTrace();
System.out.println("Test ERROR");
System.exit(3);
}
}
}

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@ -31,6 +31,8 @@ import java.util.List;
import java.util.Map;
import java.util.logging.Level;
import java.util.logging.Logger;
import jdk.test.lib.apps.LingeredApp;
import jdk.testlibrary.JDKToolLauncher;
import jdk.testlibrary.Utils;