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-rw-r--r--libjava/gnu/java/lang/management/VMRuntimeMXBeanImpl.java32
1 files changed, 23 insertions, 9 deletions
diff --git a/libjava/gnu/java/lang/management/VMRuntimeMXBeanImpl.java b/libjava/gnu/java/lang/management/VMRuntimeMXBeanImpl.java
index bbfceb6ffd7..05d368a9e24 100644
--- a/libjava/gnu/java/lang/management/VMRuntimeMXBeanImpl.java
+++ b/libjava/gnu/java/lang/management/VMRuntimeMXBeanImpl.java
@@ -39,6 +39,9 @@ package gnu.java.lang.management;
import gnu.classpath.SystemProperties;
+import java.net.InetAddress;
+import java.net.UnknownHostException;
+
/**
* Provides access to information about the virtual machine.
*
@@ -55,10 +58,7 @@ final class VMRuntimeMXBeanImpl
*
* @return the command-line arguments.
*/
- static String[] getInputArguments()
- {
- return new String[0];
- }
+ static native String[] getInputArguments();
/**
* Returns a developer-chosen name for the virtual
@@ -75,8 +75,18 @@ final class VMRuntimeMXBeanImpl
*/
static String getName()
{
+ String hostName;
+ try
+ {
+ hostName = InetAddress.getLocalHost().getHostName();
+ }
+ catch (UnknownHostException e)
+ {
+ hostName = "Unknown host";
+ }
return SystemProperties.getProperty("java.vm.name") + " " +
- SystemProperties.getProperty("java.vm.version");
+ SystemProperties.getProperty("java.vm.version") + " [" +
+ getPID() + "@" + hostName + "]";
}
/**
@@ -87,9 +97,13 @@ final class VMRuntimeMXBeanImpl
*
* @return the VM start time.
*/
- static long getStartTime()
- {
- return -1;
- }
+ static native long getStartTime();
+
+ /**
+ * The process identifier of the runtime.
+ *
+ * @return the PID of the runtime.
+ */
+ private static native long getPID();
}
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