. Implement the virtual machine interface for BSD. This allows

  jmap -histo and jmap -dump to work.

Submitted by:	Brian Gardner <brian@experts-exchange.com>
Sponsored by:	Experts Exchange

1 files changed, 44 insertions, 0 deletions

diff --git a/java/jdk16/files/patch-j2se-attach-BSDAttachProvider.java b/java/jdk16/files/patch-j2se-attach-BSDAttachProvider.java
new file mode 100644
index 000000000000..fa3c3e31c0af
--- /dev/null
+++ b/java/jdk16/files/patch-j2se-attach-BSDAttachProvider.java
@@ -0,0 +1,44 @@
+$FreeBSD$
+
+--- ../../j2se/src/solaris/classes/sun/tools/attach/BSDAttachProvider.java	10 May 2007 05:38:51 -0000	1.1
++++ ../../j2se/src/solaris/classes/sun/tools/attach/BSDAttachProvider.java	2 Feb 2009 00:27:30 -0000
+@@ -14,7 +14,7 @@
+ import java.io.IOException;
+ 
+ /*
+- * An AttachProvider implementation for Linux that uses a UNIX domain
++ * An AttachProvider implementation for BSD that uses a UNIX domain
+  * socket.
+  */
+ public class BSDAttachProvider extends HotSpotAttachProvider {
+@@ -36,12 +36,28 @@
+     public VirtualMachine attachVirtualMachine(String vmid)
+ 	throws AttachNotSupportedException, IOException
+     {
+-        throw new AttachNotSupportedException("Attach not yet supported on BSD");
++        if (isNotAttachable(vmid)) {
++            throw new AttachNotSupportedException("can only attach to Java SE 6.0 or newer");
++        }
++        return new BSDVirtualMachine(this, vmid);
+     }
+ 
+     public VirtualMachine attachVirtualMachine(VirtualMachineDescriptor vmd)
+         throws AttachNotSupportedException, IOException
+     {
+-        throw new AttachNotSupportedException("Attach not yet supported on BSD");
++        if (vmd.provider() != this) {
++             throw new AttachNotSupportedException("provider mismatch");
++        }
++        // To avoid re-checking if the VM if attachable, we check if the descriptor
++        // is for a hotspot VM - these descriptors are created by the listVirtualMachines
++        // implementation which only returns a list of attachable VMs.
++        if (vmd instanceof HotSpotVirtualMachineDescriptor) {
++            assert ((HotSpotVirtualMachineDescriptor)vmd).isAttachable();
++            checkAttachPermission();
++            return new BSDVirtualMachine(this, vmd.id());
++        } else {
++            return attachVirtualMachine(vmd.id());
++        }
+     }
++
+ }