From 0a54e4b8e2923d1c4eb5847a397906fb783a10d3 Mon Sep 17 00:00:00 2001 From: Sven Gothel Date: Fri, 23 Sep 2011 13:32:18 +0200 Subject: Moved JVMUtil to private package; Invoke JVMUtil.initSingleton() from Platform static init after loading native library. --- src/java/com/jogamp/common/jvm/JVMUtil.java | 75 ---------------------------- src/java/com/jogamp/common/os/Platform.java | 2 + src/java/jogamp/common/jvm/JVMUtil.java | 77 +++++++++++++++++++++++++++++ 3 files changed, 79 insertions(+), 75 deletions(-) delete mode 100644 src/java/com/jogamp/common/jvm/JVMUtil.java create mode 100644 src/java/jogamp/common/jvm/JVMUtil.java (limited to 'src/java') diff --git a/src/java/com/jogamp/common/jvm/JVMUtil.java b/src/java/com/jogamp/common/jvm/JVMUtil.java deleted file mode 100644 index 29c5f57..0000000 --- a/src/java/com/jogamp/common/jvm/JVMUtil.java +++ /dev/null @@ -1,75 +0,0 @@ -/* - * Copyright (c) 2008 Sun Microsystems, Inc. All Rights Reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: - * - * - Redistribution of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * - Redistribution in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * Neither the name of Sun Microsystems, Inc. or the names of - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * This software is provided "AS IS," without a warranty of any kind. ALL - * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, - * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A - * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN - * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR - * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR - * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR - * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR - * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE - * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, - * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF - * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. - */ - -package com.jogamp.common.jvm; - -import java.nio.ByteBuffer; -import com.jogamp.common.nio.Buffers; -import com.jogamp.common.os.Platform; - -import jogamp.common.Debug; - -/** - * Currently this tool works around the Hotspot race condition bugs: - 
-     4395095 JNI access to java.nio DirectBuffer constructor/accessor
-     6852404 Race condition in JNI Direct Buffer access and creation routines
-
- * - * Make sure to initialize this class as soon as possible, - * before doing any multithreading work. - * - */ -public class JVMUtil { - private static final boolean DEBUG = Debug.debug("JVMUtil"); - - static { - Platform.initSingleton(); // loads native gluegen-rt library - - ByteBuffer buffer = Buffers.newDirectByteBuffer(64); - if( ! initialize(buffer) ) { - throw new RuntimeException("Failed to initialize the JVMUtil "+Thread.currentThread().getName()); - } - if(DEBUG) { - Exception e = new Exception("JVMUtil.initSingleton() .. initialized "+Thread.currentThread().getName()); - e.printStackTrace(); - } - } - - public static void initSingleton() { - } - - private JVMUtil() {} - - private static native boolean initialize(java.nio.ByteBuffer buffer); -} - diff --git a/src/java/com/jogamp/common/os/Platform.java b/src/java/com/jogamp/common/os/Platform.java index 38635e1..3d255ba 100644 --- a/src/java/com/jogamp/common/os/Platform.java +++ b/src/java/com/jogamp/common/os/Platform.java @@ -41,6 +41,7 @@ import com.jogamp.common.nio.Buffers; import com.jogamp.common.util.JarUtil; import com.jogamp.common.util.cache.TempJarCache; +import jogamp.common.jvm.JVMUtil; import jogamp.common.os.MachineDescriptionRuntime; /** @@ -190,6 +191,7 @@ public class Platform { os_and_arch = getOSAndArch(OS_TYPE, CPU_ARCH); loadGlueGenRTImpl(); + JVMUtil.initSingleton(); MachineDescription md = MachineDescriptionRuntime.getRuntime(); if(null == md) { diff --git a/src/java/jogamp/common/jvm/JVMUtil.java b/src/java/jogamp/common/jvm/JVMUtil.java new file mode 100644 index 0000000..ac6355f --- /dev/null +++ b/src/java/jogamp/common/jvm/JVMUtil.java @@ -0,0 +1,77 @@ +/* + * Copyright (c) 2008 Sun Microsystems, Inc. All Rights Reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * - Redistribution of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistribution in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * Neither the name of Sun Microsystems, Inc. or the names of + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * This software is provided "AS IS," without a warranty of any kind. ALL + * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, + * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN + * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR + * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR + * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR + * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR + * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE + * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, + * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF + * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. + */ + +package jogamp.common.jvm; + +import java.nio.ByteBuffer; + +import jogamp.common.Debug; + +import com.jogamp.common.nio.Buffers; +import com.jogamp.common.os.Platform; + + +/** + * Currently this tool works around the Hotspot race condition bugs: + 
+     4395095 JNI access to java.nio DirectBuffer constructor/accessor
+     6852404 Race condition in JNI Direct Buffer access and creation routines
+
+ * + * Make sure to initialize this class as soon as possible, + * before doing any multithreading work. + * + */ +public class JVMUtil { + private static final boolean DEBUG = Debug.debug("JVMUtil"); + + static { + Platform.initSingleton(); // loads native gluegen-rt library + + ByteBuffer buffer = Buffers.newDirectByteBuffer(64); + if( ! initialize(buffer) ) { + throw new RuntimeException("Failed to initialize the JVMUtil "+Thread.currentThread().getName()); + } + if(DEBUG) { + Exception e = new Exception("JVMUtil.initSingleton() .. initialized "+Thread.currentThread().getName()); + e.printStackTrace(); + } + } + + public static void initSingleton() { + } + + private JVMUtil() {} + + private static native boolean initialize(java.nio.ByteBuffer buffer); +} + -- cgit v1.2.3