Merged gcj-eclipse branch to trunk.

From-SVN: r120621

1 files changed, 9 insertions, 35 deletions

diff --git a/libjava/gnu/java/lang/management/VMThreadMXBeanImpl.java b/libjava/gnu/java/lang/management/VMThreadMXBeanImpl.java
index 3478372..c5bcb63 100644
--- a/libjava/gnu/java/lang/management/VMThreadMXBeanImpl.java
+++ b/libjava/gnu/java/lang/management/VMThreadMXBeanImpl.java
@@ -64,10 +64,7 @@ final class VMThreadMXBeanImpl
    *
    * @return the ids of the deadlocked threads.
    */
-  static long[] findMonitorDeadlockedThreads()
-  {
-    return new long[0];
-  }
+  static native long[] findMonitorDeadlockedThreads();
 
   /* This is the same as in Thread.getAllStackTraces() */
   static Thread[] getAllThreads()
@@ -110,10 +107,7 @@ final class VMThreadMXBeanImpl
    * @return the nanoseconds of CPU time used by
    *         the current thread.
    */
-  static long getCurrentThreadCpuTime()
-  {
-    return -1;
-  }
+  static native long getCurrentThreadCpuTime();
 
   /**
    * Returns the number of nanoseconds of user time
@@ -124,10 +118,7 @@ final class VMThreadMXBeanImpl
    * @return the nanoseconds of user time used by
    *         the current thread.
    */
-  static long getCurrentThreadUserTime()
-  {
-    return -1;
-  }
+  static native long getCurrentThreadUserTime();
 
   /**
    * Returns the number of live daemon threads.
@@ -151,10 +142,7 @@ final class VMThreadMXBeanImpl
    *
    * @return the peak number of live threads.
    */
-  static int getPeakThreadCount()
-  {
-    return -1;
-  }
+  static native int getPeakThreadCount();
 
   /**
    * Returns the number of live threads.
@@ -177,10 +165,7 @@ final class VMThreadMXBeanImpl
    * @return the nanoseconds of CPU time used by
    *         the thread.
    */
-  static long getThreadCpuTime(long id)
-  {
-    return -1;
-  }
+  static native long getThreadCpuTime(long id);
 
   /**
    * Returns the {@link java.lang.management.ThreadInfo}
@@ -190,10 +175,7 @@ final class VMThreadMXBeanImpl
    * @param maxDepth the depth of the stack trace.
    * @return the corresponding <code>ThreadInfo</code>.
    */
-  static ThreadInfo getThreadInfoForId(long id, int maxDepth)
-  {
-    return null;
-  }
+  static native ThreadInfo getThreadInfoForId(long id, int maxDepth);
   
   /**
    * Returns the number of nanoseconds of user time
@@ -205,10 +187,7 @@ final class VMThreadMXBeanImpl
    * @return the nanoseconds of user time used by
    *         the thread.
    */
-  static long getThreadUserTime(long id)
-  {
-    return -1;
-  }
+  static native long getThreadUserTime(long id);
   
   /**
    * Returns the total number of threads that have
@@ -217,17 +196,12 @@ final class VMThreadMXBeanImpl
    *
    * @return the total number of threads started.
    */
-  static long getTotalStartedThreadCount()
-  {
-    return -1;
-  }
+  static native long getTotalStartedThreadCount();
 
   /**
    * Resets the peak thread count to the current
    * number of live threads.
    */
-  static void resetPeakThreadCount()
-  {
-  }
+  static native void resetPeakThreadCount();
 
 }