From 1020ce5944edde4364baef4d371cd4f9b0dae721 Mon Sep 17 00:00:00 2001
From: doko <doko@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Sat, 28 Jun 2008 13:29:13 +0000
Subject: libjava/

2008-06-28  Matthias Klose  <doko@ubuntu.com>

        Import GNU Classpath (classpath-0_97_2-release).

        * Regenerate class and header files.
        * Regenerate auto* files.
        * gcj/javaprims.h: Define jobjectRefType.
        * jni.cc (_Jv_JNI_GetObjectRefType): New (stub only).
        (_Jv_JNIFunctions): Initialize GetObjectRefType.
        * gnu/classpath/jdwp/VMVirtualMachine.java,
        java/security/VMSecureRandom.java: Merge from classpath.
        * HACKING: Fix typo.
        * ChangeLog-2007: New file.
        * configure.ac: Set JAVAC, pass --disable-regen-headers to classpath.

libjava/classpath/

2008-06-28  Matthias Klose  <doko@ubuntu.com>

        * m4/ac_prog_javac.m4: Disable check for JAVAC, when
        not configured with --enable-java-maintainer-mode.
        * aclocal.m4, configure: Regenerate.
        * native/jni/gstreamer-peer/Makefile.am: Do not link with
        libclasspathnative.
        * native/jni/gstreamer-peer/Makefile.in: Regenerate.
        * tools/Makefile.am, lib/Makefile.am: Use JAVAC for setting
        JCOMPILER, drop flags not understood by gcj.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@137223 138bc75d-0d04-0410-961f-82ee72b054a4
---
 .../java/lang/management/VMMemoryMXBeanImpl.java   | 57 ++++++++++++++++++++--
 .../vm/reference/gnu/java/nio/VMChannel.java       |  1 -
 2 files changed, 52 insertions(+), 6 deletions(-)

(limited to 'libjava/classpath/vm/reference/gnu/java')

diff --git a/libjava/classpath/vm/reference/gnu/java/lang/management/VMMemoryMXBeanImpl.java b/libjava/classpath/vm/reference/gnu/java/lang/management/VMMemoryMXBeanImpl.java
index 43b9ae1a100..eade26374db 100644
--- a/libjava/classpath/vm/reference/gnu/java/lang/management/VMMemoryMXBeanImpl.java
+++ b/libjava/classpath/vm/reference/gnu/java/lang/management/VMMemoryMXBeanImpl.java
@@ -37,8 +37,14 @@ exception statement from your version. */
 
 package gnu.java.lang.management;
 
+import java.lang.management.ManagementFactory;
+import java.lang.management.MemoryPoolMXBean;
+import java.lang.management.MemoryType;
 import java.lang.management.MemoryUsage;
 
+import java.util.Iterator;
+import java.util.List;
+
 /**
  * Provides access to information about the memory
  * management of the current invocation of the virtual
@@ -62,10 +68,7 @@ final class VMMemoryMXBeanImpl
    */
   static MemoryUsage getHeapMemoryUsage()
   {
-    Runtime runtime = Runtime.getRuntime();
-    long totalMem = runtime.totalMemory();
-    return new MemoryUsage(-1, totalMem - runtime.freeMemory(),
-			   totalMem, runtime.maxMemory());
+    return getUsage(MemoryType.HEAP);
   }
 
   /**
@@ -76,7 +79,10 @@ final class VMMemoryMXBeanImpl
    * @return an {@link java.lang.management.MemoryUsage} instance
    *         for non-heap memory.
    */
-  static native MemoryUsage getNonHeapMemoryUsage();
+  static MemoryUsage getNonHeapMemoryUsage()
+  {
+    return getUsage(MemoryType.NON_HEAP);
+  }
 
   /**
    * Returns the number of objects ready to be garbage collected.
@@ -106,4 +112,45 @@ final class VMMemoryMXBeanImpl
    */
   static native void setVerbose(boolean verbose);
 
+  /**
+   * Totals the memory usage from all the pools that match
+   * the given type.
+   *
+   * @param type the type of memory pools to accumulate
+   *             (heap or non-heap).
+   * @return the memory usage overall.
+   */
+  private static MemoryUsage getUsage(MemoryType type) {
+    long init = 0, committed = 0, used = 0, max = 0;
+    Iterator pools =
+      ManagementFactory.getMemoryPoolMXBeans().iterator();
+    while (pools.hasNext())
+      {
+	MemoryPoolMXBean pool = (MemoryPoolMXBean) pools.next();
+	if (pool.getType() == type)
+	  {
+	    MemoryUsage usage = pool.getUsage();
+	    if (init != -1)
+	      {
+		long poolInit = usage.getInit();
+		if (poolInit == -1)
+		  init = -1;
+		else
+		  init += poolInit;
+	      }
+	    committed += usage.getCommitted();
+	    used += usage.getUsed();
+	    if (max != -1)
+	      {
+		long poolMax = usage.getMax();
+		if (poolMax == -1)
+		  max = -1;
+		else
+		  max += poolMax;
+	      }
+	  }
+      }
+    return new MemoryUsage(init, used, committed, max);
+  }
+
 }
diff --git a/libjava/classpath/vm/reference/gnu/java/nio/VMChannel.java b/libjava/classpath/vm/reference/gnu/java/nio/VMChannel.java
index 1f69877b6ba..a9d1452b72d 100644
--- a/libjava/classpath/vm/reference/gnu/java/nio/VMChannel.java
+++ b/libjava/classpath/vm/reference/gnu/java/nio/VMChannel.java
@@ -256,7 +256,6 @@ public final class VMChannel
    * Assumes the that buffer list constains DirectBuffers.  Will perform
    * as gathering write.
    * 
-   * @param fd
    * @param srcs
    * @param offset
    * @param length
-- 
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