diff options
12 files changed, 274 insertions, 228 deletions
diff --git a/make/mapfiles/libnet/mapfile-vers b/make/mapfiles/libnet/mapfile-vers index 5cc8b93dae..0e432d3ef6 100644 --- a/make/mapfiles/libnet/mapfile-vers +++ b/make/mapfiles/libnet/mapfile-vers @@ -1,5 +1,5 @@ # -# Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. +# Copyright (c) 1997, 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 @@ -28,8 +28,7 @@ SUNWprivate_1.1 { global: JNI_OnLoad; - Java_java_net_AbstractPlainDatagramSocketImpl_init; - Java_java_net_AbstractPlainDatagramSocketImpl_dataAvailable; + Java_java_net_PlainDatagramSocketImpl_dataAvailable; Java_java_net_PlainSocketImpl_socketListen; Java_java_net_PlainDatagramSocketImpl_getTTL; Java_java_net_PlainDatagramSocketImpl_init; diff --git a/src/share/classes/java/net/AbstractPlainDatagramSocketImpl.java b/src/share/classes/java/net/AbstractPlainDatagramSocketImpl.java index 1793cfca13..fdc38434ac 100644 --- a/src/share/classes/java/net/AbstractPlainDatagramSocketImpl.java +++ b/src/share/classes/java/net/AbstractPlainDatagramSocketImpl.java @@ -1,5 +1,5 @@ /* - * Copyright (c) 1996, 2013, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 1996, 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 @@ -68,7 +68,6 @@ abstract class AbstractPlainDatagramSocketImpl extends DatagramSocketImpl return null; } }); - init(); } /** @@ -364,6 +363,5 @@ abstract class AbstractPlainDatagramSocketImpl extends DatagramSocketImpl return connectDisabled; } - native int dataAvailable(); - private static native void init(); + abstract int dataAvailable(); } diff --git a/src/solaris/classes/java/net/PlainDatagramSocketImpl.java b/src/solaris/classes/java/net/PlainDatagramSocketImpl.java index 2c74dd96f5..7127c7c6f2 100644 --- a/src/solaris/classes/java/net/PlainDatagramSocketImpl.java +++ b/src/solaris/classes/java/net/PlainDatagramSocketImpl.java @@ -1,5 +1,5 @@ /* - * Copyright (c) 2007,2011, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2007, 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 @@ -119,6 +119,8 @@ class PlainDatagramSocketImpl extends AbstractPlainDatagramSocketImpl protected native void disconnect0(int family); + native int dataAvailable(); + /** * Perform class load-time initializations. */ diff --git a/src/solaris/native/java/net/AbstractPlainDatagramSocketImpl.c b/src/solaris/native/java/net/AbstractPlainDatagramSocketImpl.c deleted file mode 100644 index 075fffc517..0000000000 --- a/src/solaris/native/java/net/AbstractPlainDatagramSocketImpl.c +++ /dev/null @@ -1,89 +0,0 @@ -/* - * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. - * - * This code is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 only, as - * published by the Free Software Foundation. Oracle designates this - * particular file as subject to the "Classpath" exception as provided - * by Oracle in the LICENSE file that accompanied this code. - * - * This code is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * version 2 for more details (a copy is included in the LICENSE file that - * accompanied this code). - * - * You should have received a copy of the GNU General Public License version - * 2 along with this work; if not, write to the Free Software Foundation, - * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. - * - * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA - * or visit www.oracle.com if you need additional information or have any - * questions. - */ - -#include <sys/types.h> -#include <sys/socket.h> - -#ifdef __solaris__ -#include <unistd.h> -#include <stropts.h> - -#ifndef BSD_COMP -#define BSD_COMP -#endif - -#endif - -#include <sys/ioctl.h> - -#include "jvm.h" -#include "jni_util.h" -#include "net_util.h" - -#include "java_net_AbstractPlainDatagramSocketImpl.h" - -static jfieldID IO_fd_fdID; - -static jfieldID apdsi_fdID; - - -/* - * Class: java_net_AbstractPlainDatagramSocketImpl - * Method: init - * Signature: ()V - */ -JNIEXPORT void JNICALL -Java_java_net_AbstractPlainDatagramSocketImpl_init(JNIEnv *env, jclass cls) { - - apdsi_fdID = (*env)->GetFieldID(env, cls, "fd", - "Ljava/io/FileDescriptor;"); - CHECK_NULL(apdsi_fdID); - - IO_fd_fdID = NET_GetFileDescriptorID(env); -} - -/* - * Class: java_net_AbstractPlainDatagramSocketImpl - * Method: dataAvailable - * Signature: ()I - */ -JNIEXPORT jint JNICALL Java_java_net_AbstractPlainDatagramSocketImpl_dataAvailable -(JNIEnv *env, jobject this) { - int fd, retval; - - jobject fdObj = (*env)->GetObjectField(env, this, apdsi_fdID); - - if (IS_NULL(fdObj)) { - JNU_ThrowByName(env, JNU_JAVANETPKG "SocketException", - "Socket closed"); - return -1; - } - fd = (*env)->GetIntField(env, fdObj, IO_fd_fdID); - - if (ioctl(fd, FIONREAD, &retval) < 0) { - return -1; - } - return retval; -} diff --git a/src/solaris/native/java/net/PlainDatagramSocketImpl.c b/src/solaris/native/java/net/PlainDatagramSocketImpl.c index 3f1714ec34..67c5540c02 100644 --- a/src/solaris/native/java/net/PlainDatagramSocketImpl.c +++ b/src/solaris/native/java/net/PlainDatagramSocketImpl.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 1997, 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 @@ -32,6 +32,12 @@ #ifdef __solaris__ #include <fcntl.h> +#include <unistd.h> +#include <stropts.h> + +#ifndef BSD_COMP +#define BSD_COMP +#endif #endif #ifdef __linux__ #include <unistd.h> @@ -52,6 +58,8 @@ #endif #endif // __linux__ +#include <sys/ioctl.h> + #ifndef IPTOS_TOS_MASK #define IPTOS_TOS_MASK 0x1e #endif @@ -2265,3 +2273,28 @@ Java_java_net_PlainDatagramSocketImpl_leave(JNIEnv *env, jobject this, { mcast_join_leave(env, this, iaObj, niObj, JNI_FALSE); } + +/* + * Class: java_net_PlainDatagramSocketImpl + * Method: dataAvailable + * Signature: ()I + */ +JNIEXPORT jint JNICALL +Java_java_net_PlainDatagramSocketImpl_dataAvailable(JNIEnv *env, jobject this) +{ + int fd, retval; + + jobject fdObj = (*env)->GetObjectField(env, this, pdsi_fdID); + + if (IS_NULL(fdObj)) { + JNU_ThrowByName(env, JNU_JAVANETPKG "SocketException", + "Socket closed"); + return -1; + } + fd = (*env)->GetIntField(env, fdObj, IO_fd_fdID); + + if (ioctl(fd, FIONREAD, &retval) < 0) { + return -1; + } + return retval; +} diff --git a/src/windows/classes/java/net/DefaultDatagramSocketImplFactory.java b/src/windows/classes/java/net/DefaultDatagramSocketImplFactory.java index 62bf21ebcc..84cdf5bc52 100644 --- a/src/windows/classes/java/net/DefaultDatagramSocketImplFactory.java +++ b/src/windows/classes/java/net/DefaultDatagramSocketImplFactory.java @@ -1,5 +1,5 @@ /* - * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2007, 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 @@ -45,7 +45,7 @@ import java.security.PrivilegedAction; class DefaultDatagramSocketImplFactory { - static Class<?> prefixImplClass = null; + private final static Class<?> prefixImplClass; /* the windows version. */ private static float version; @@ -54,16 +54,19 @@ class DefaultDatagramSocketImplFactory private static boolean preferIPv4Stack = false; /* If the version supports a dual stack TCP implementation */ - private static boolean useDualStackImpl = false; + private final static boolean useDualStackImpl; /* sun.net.useExclusiveBind */ private static String exclBindProp; /* True if exclusive binding is on for Windows */ - private static boolean exclusiveBind = true; - + private final static boolean exclusiveBind; static { + Class<?> prefixImplClassLocal = null; + boolean useDualStackImplLocal = false; + boolean exclusiveBindLocal = true; + // Determine Windows Version. java.security.AccessController.doPrivileged( new PrivilegedAction<Object>() { @@ -78,7 +81,7 @@ class DefaultDatagramSocketImplFactory "java.net.preferIPv4Stack")); exclBindProp = System.getProperty( "sun.net.useExclusiveBind"); - } catch (NumberFormatException e ) { + } catch (NumberFormatException e) { assert false : e; } return null; // nothing to return @@ -87,14 +90,14 @@ class DefaultDatagramSocketImplFactory // (version >= 6.0) implies Vista or greater. if (version >= 6.0 && !preferIPv4Stack) { - useDualStackImpl = true; + useDualStackImplLocal = true; } if (exclBindProp != null) { // sun.net.useExclusiveBind is true - exclusiveBind = exclBindProp.length() == 0 ? true + exclusiveBindLocal = exclBindProp.length() == 0 ? true : Boolean.parseBoolean(exclBindProp); } else if (version < 6.0) { - exclusiveBind = false; + exclusiveBindLocal = false; } // impl.prefix @@ -103,12 +106,16 @@ class DefaultDatagramSocketImplFactory prefix = AccessController.doPrivileged( new sun.security.action.GetPropertyAction("impl.prefix", null)); if (prefix != null) - prefixImplClass = Class.forName("java.net."+prefix+"DatagramSocketImpl"); + prefixImplClassLocal = Class.forName("java.net."+prefix+"DatagramSocketImpl"); } catch (Exception e) { System.err.println("Can't find class: java.net." + prefix + "DatagramSocketImpl: check impl.prefix property"); } + + prefixImplClass = prefixImplClassLocal; + useDualStackImpl = useDualStackImplLocal; + exclusiveBind = exclusiveBindLocal; } /** @@ -126,12 +133,10 @@ class DefaultDatagramSocketImplFactory throw new SocketException("can't instantiate DatagramSocketImpl"); } } else { - if (isMulticast) - exclusiveBind = false; if (useDualStackImpl && !isMulticast) return new DualStackPlainDatagramSocketImpl(exclusiveBind); else - return new TwoStacksPlainDatagramSocketImpl(exclusiveBind); + return new TwoStacksPlainDatagramSocketImpl(exclusiveBind && !isMulticast); } } } diff --git a/src/windows/classes/java/net/DualStackPlainDatagramSocketImpl.java b/src/windows/classes/java/net/DualStackPlainDatagramSocketImpl.java index 9c7ca9dc55..725337e0db 100644 --- a/src/windows/classes/java/net/DualStackPlainDatagramSocketImpl.java +++ b/src/windows/classes/java/net/DualStackPlainDatagramSocketImpl.java @@ -1,5 +1,5 @@ /* - * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2007, 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 @@ -45,6 +45,10 @@ class DualStackPlainDatagramSocketImpl extends AbstractPlainDatagramSocketImpl { static JavaIOFileDescriptorAccess fdAccess = SharedSecrets.getJavaIOFileDescriptorAccess(); + static { + initIDs(); + } + // true if this socket is exclusively bound private final boolean exclusiveBind; @@ -288,4 +292,6 @@ class DualStackPlainDatagramSocketImpl extends AbstractPlainDatagramSocketImpl int optionValue) throws SocketException; private static native int socketGetIntOption(int fd, int cmd) throws SocketException; + + native int dataAvailable(); } diff --git a/src/windows/classes/java/net/TwoStacksPlainDatagramSocketImpl.java b/src/windows/classes/java/net/TwoStacksPlainDatagramSocketImpl.java index fc17f82c91..750abbf6f8 100644 --- a/src/windows/classes/java/net/TwoStacksPlainDatagramSocketImpl.java +++ b/src/windows/classes/java/net/TwoStacksPlainDatagramSocketImpl.java @@ -1,5 +1,5 @@ /* - * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2007, 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 @@ -207,6 +207,8 @@ class TwoStacksPlainDatagramSocketImpl extends AbstractPlainDatagramSocketImpl protected native void disconnect0(int family); + native int dataAvailable(); + /** * Perform class load-time initializations. */ diff --git a/src/windows/native/java/net/AbstractPlainDatagramSocketImpl.c b/src/windows/native/java/net/AbstractPlainDatagramSocketImpl.c deleted file mode 100644 index dd2c7e8a92..0000000000 --- a/src/windows/native/java/net/AbstractPlainDatagramSocketImpl.c +++ /dev/null @@ -1,113 +0,0 @@ -/* - * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. - * - * This code is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 only, as - * published by the Free Software Foundation. Oracle designates this - * particular file as subject to the "Classpath" exception as provided - * by Oracle in the LICENSE file that accompanied this code. - * - * This code is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * version 2 for more details (a copy is included in the LICENSE file that - * accompanied this code). - * - * You should have received a copy of the GNU General Public License version - * 2 along with this work; if not, write to the Free Software Foundation, - * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. - * - * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA - * or visit www.oracle.com if you need additional information or have any - * questions. - */ - -#include <windows.h> -#include <winsock2.h> - -#include "jvm.h" -#include "jni_util.h" -#include "net_util.h" - -#include "java_net_AbstractPlainDatagramSocketImpl.h" - -static jfieldID IO_fd_fdID = NULL; -static jfieldID apdsi_fdID = NULL; - -static jfieldID apdsi_fd1ID = NULL; -static jclass two_stacks_clazz = NULL; - - -/* - * Class: java_net_AbstractPlainDatagramSocketImpl - * Method: init - * Signature: ()V - */ -JNIEXPORT void JNICALL -Java_java_net_AbstractPlainDatagramSocketImpl_init(JNIEnv *env, jclass cls) { - - apdsi_fdID = (*env)->GetFieldID(env, cls, "fd", - "Ljava/io/FileDescriptor;"); - CHECK_NULL(apdsi_fdID); - IO_fd_fdID = NET_GetFileDescriptorID(env); - CHECK_NULL(IO_fd_fdID); - - two_stacks_clazz = (*env)->FindClass(env, "java/net/TwoStacksPlainDatagramSocketImpl"); - CHECK_NULL(two_stacks_clazz); - - /* Handle both TwoStacks and DualStack here */ - - if (JNU_Equals(env, cls, two_stacks_clazz)) { - /* fd1 present only in TwoStack.. */ - apdsi_fd1ID = (*env)->GetFieldID(env, cls, "fd1", - "Ljava/io/FileDescriptor;"); - CHECK_NULL(apdsi_fd1ID); - } - - JNU_CHECK_EXCEPTION(env); -} - -/* - * Class: java_net_AbstractPlainDatagramSocketImpl - * Method: dataAvailable - * Signature: ()I - */ -JNIEXPORT jint JNICALL Java_java_net_AbstractPlainDatagramSocketImpl_dataAvailable -(JNIEnv *env, jobject this) { - SOCKET fd; - SOCKET fd1; - int rv = -1, rv1 = -1; - jobject fdObj = (*env)->GetObjectField(env, this, apdsi_fdID); - - if (!IS_NULL(fdObj)) { - int retval = 0; - fd = (SOCKET)(*env)->GetIntField(env, fdObj, IO_fd_fdID); - rv = ioctlsocket(fd, FIONREAD, &retval); - if (retval > 0) { - return retval; - } - } - - if (!IS_NULL(apdsi_fd1ID)) { - /* TwoStacks */ - jobject fd1Obj = (*env)->GetObjectField(env, this, apdsi_fd1ID); - if (!IS_NULL(fd1Obj)) { - int retval = 0; - fd1 = (SOCKET)(*env)->GetIntField(env, fd1Obj, IO_fd_fdID); - rv1 = ioctlsocket(fd1, FIONREAD, &retval); - if (retval > 0) { - return retval; - } - } - } - - if (rv < 0 && rv1 < 0) { - JNU_ThrowByName(env, JNU_JAVANETPKG "SocketException", - "Socket closed"); - return -1; - } - - return 0; -} - diff --git a/src/windows/native/java/net/DualStackPlainDatagramSocketImpl.c b/src/windows/native/java/net/DualStackPlainDatagramSocketImpl.c index 108f0de16c..23d7ce2a65 100644 --- a/src/windows/native/java/net/DualStackPlainDatagramSocketImpl.c +++ b/src/windows/native/java/net/DualStackPlainDatagramSocketImpl.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2007, 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 @@ -70,6 +70,25 @@ static jboolean purgeOutstandingICMP(JNIEnv *env, jint fd) return got_icmp; } +static jfieldID IO_fd_fdID = NULL; +static jfieldID pdsi_fdID = NULL; + +/* + * Class: java_net_DualStackPlainDatagramSocketImpl + * Method: initIDs + * Signature: ()V + */ +JNIEXPORT void JNICALL Java_java_net_DualStackPlainDatagramSocketImpl_initIDs + (JNIEnv *env, jclass clazz) +{ + pdsi_fdID = (*env)->GetFieldID(env, clazz, "fd", + "Ljava/io/FileDescriptor;"); + CHECK_NULL(pdsi_fdID); + IO_fd_fdID = NET_GetFileDescriptorID(env); + CHECK_NULL(IO_fd_fdID); + JNU_CHECK_EXCEPTION(env); +} + /* * Class: java_net_DualStackPlainDatagramSocketImpl * Method: socketCreate @@ -498,3 +517,32 @@ JNIEXPORT jint JNICALL Java_java_net_DualStackPlainDatagramSocketImpl_socketGetI return result; } + +/* + * Class: java_net_DualStackPlainDatagramSocketImpl + * Method: dataAvailable + * Signature: ()I + */ +JNIEXPORT jint JNICALL Java_java_net_DualStackPlainDatagramSocketImpl_dataAvailable +(JNIEnv *env, jobject this) { + SOCKET fd; + int rv = -1; + jobject fdObj = (*env)->GetObjectField(env, this, pdsi_fdID); + + if (!IS_NULL(fdObj)) { + int retval = 0; + fd = (SOCKET)(*env)->GetIntField(env, fdObj, IO_fd_fdID); + rv = ioctlsocket(fd, FIONREAD, &retval); + if (retval > 0) { + return retval; + } + } + + if (rv < 0) { + JNU_ThrowByName(env, JNU_JAVANETPKG "SocketException", + "Socket closed"); + return -1; + } + + return 0; +} diff --git a/src/windows/native/java/net/TwoStacksPlainDatagramSocketImpl.c b/src/windows/native/java/net/TwoStacksPlainDatagramSocketImpl.c index 6922d3dde7..f9997d14f0 100644 --- a/src/windows/native/java/net/TwoStacksPlainDatagramSocketImpl.c +++ b/src/windows/native/java/net/TwoStacksPlainDatagramSocketImpl.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 1997, 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 @@ -2591,3 +2591,44 @@ Java_java_net_TwoStacksPlainDatagramSocketImpl_leave(JNIEnv *env, jobject this, { mcast_join_leave (env, this, iaObj, niObj, JNI_FALSE); } + +/* + * Class: java_net_TwoStacksPlainDatagramSocketImpl + * Method: dataAvailable + * Signature: ()I + */ +JNIEXPORT jint JNICALL Java_java_net_TwoStacksPlainDatagramSocketImpl_dataAvailable +(JNIEnv *env, jobject this) { + SOCKET fd; + SOCKET fd1; + int rv = -1, rv1 = -1; + jobject fdObj = (*env)->GetObjectField(env, this, pdsi_fdID); + jobject fd1Obj; + + if (!IS_NULL(fdObj)) { + int retval = 0; + fd = (SOCKET)(*env)->GetIntField(env, fdObj, IO_fd_fdID); + rv = ioctlsocket(fd, FIONREAD, &retval); + if (retval > 0) { + return retval; + } + } + + fd1Obj = (*env)->GetObjectField(env, this, pdsi_fd1ID); + if (!IS_NULL(fd1Obj)) { + int retval = 0; + fd1 = (SOCKET)(*env)->GetIntField(env, fd1Obj, IO_fd_fdID); + rv1 = ioctlsocket(fd1, FIONREAD, &retval); + if (retval > 0) { + return retval; + } + } + + if (rv < 0 && rv1 < 0) { + JNU_ThrowByName(env, JNU_JAVANETPKG "SocketException", + "Socket closed"); + return -1; + } + + return 0; +} diff --git a/test/java/net/MulticastSocket/MultiDead.java b/test/java/net/MulticastSocket/MultiDead.java new file mode 100644 index 0000000000..f9dc01725d --- /dev/null +++ b/test/java/net/MulticastSocket/MultiDead.java @@ -0,0 +1,114 @@ +/* + * 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 + * @bug 8072466 + * @summary Deadlock when initializing MulticastSocket and DatagramSocket + * @library /lib/testlibrary + * @build jdk.testlibrary.* + * @run main/othervm MultiDead + */ + +import java.net.DatagramSocket; +import java.net.MulticastSocket; +import java.util.concurrent.atomic.AtomicBoolean; +import java.util.concurrent.atomic.AtomicReference; +import java.util.concurrent.CountDownLatch; +import jdk.testlibrary.JDKToolLauncher; + +public class MultiDead { + private static final int THREAD_PAIR_COUNT = 4; + private static final int CHILDREN_COUNT = 20; + + public static void main(String[] args) throws Throwable { + if (args.length == 0 || args[0].equals("parent")) { + parentProcess(); + } + + if (args.length > 0 && args[0].equals("child")) { + childProcess(); + } + } + + private static void parentProcess() throws Throwable { + JDKToolLauncher launcher = JDKToolLauncher + .createUsingTestJDK("java") + .addToolArg("MultiDead") + .addToolArg("child"); + ProcessBuilder pb = new ProcessBuilder(launcher.getCommand()); + + AtomicReference<Process> child = new AtomicReference<>(); + AtomicBoolean stopFlag = new AtomicBoolean(false); + + Thread th = new Thread(() -> { + for (int i = 0; i < CHILDREN_COUNT; ++i) { + System.out.println("child #" + (i + 1) + " of " + + CHILDREN_COUNT); + try { + child.set(pb.start()); + child.get().waitFor(); + if (stopFlag.get()) { + break; + } + } catch (Exception e) { + throw new RuntimeException(e); + } + } + }); + + th.start(); + th.join(CHILDREN_COUNT * 1000); // 1 sec for a child to complete + stopFlag.set(true); + if (th.isAlive()) { + if (child.get() != null) { + child.get().destroyForcibly(); + } + throw new RuntimeException("Failed to complete on time."); + } + } + + private static void childProcess() { + CountDownLatch latch = new CountDownLatch(1); + for (int i = 0; i < THREAD_PAIR_COUNT; ++i) { + new Thread(() -> { + try { + latch.await(); + try (MulticastSocket a = new MulticastSocket(6000)) { + } + } catch (Exception ignore) { + } + }).start(); + + new Thread(() -> { + try { + latch.await(); + try (DatagramSocket b = new DatagramSocket(6000)) { + } + } catch (Exception ignore) { + } + }).start(); + } + latch.countDown(); + } +} |