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javaprims.h: Rebuilt class list.

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* gcj/javaprims.h: Rebuilt class list.
	* boehm.cc (_Jv_GCRegisterDisappearingLink): New function.
	(_Jv_GCCanReclaimSoftReference): New function.
	* include/jvm.h (_Jv_GCRegisterDisappearingLink): Declare.
	(_Jv_GCCanReclaimSoftReference): Declare.
	* java/lang/ref/Reference.java (referent): Now a RawData.
	(create): Renamed from `created'.  Added object argument.
	(Reference): Don't initialize `referent' here.
	* Makefile.in: Rebuilt.
	* Makefile.am (nat_source_files): Added new file.
	* java/lang/ref/natReference.cc: New file.

From-SVN: r45958
This commit is contained in:
Tom Tromey 2001-10-02 14:31:47 +00:00 • committed by Tom Tromey
parent cacbc3505b
commit 2b3d3db68d
8 changed files with 401 additions and 34 deletions
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25
libjava/java/lang/ref/Reference.java
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@ -64,8 +64,21 @@ public abstract class Reference
/**
* The underlying object. This field is handled in a special way by
* the garbage collection.
* GCJ LOCAL:
* This is a RawData because it must be disguised from the GC.
* END GCJ LOCAL
*/
Object referent;
gnu.gcj.RawData referent;
/**
* This is like REFERENT but is not scanned by the GC. We keep a
* copy around so that we can see when clear() has been called.
* GCJ LOCAL:
* This field doesn't exist in Classpath; we use it to detect
* clearing.
* END GCJ LOCAL
*/
gnu.gcj.RawData copy;
/**
* The queue this reference is registered on. This is null, if this
@ -97,7 +110,7 @@ public abstract class Reference
*/
Reference(Object ref)
{
referent = ref;
create (ref);
}
/**
@ -112,10 +125,15 @@ public abstract class Reference
{
if (q == null)
throw new NullPointerException();
referent = ref;
queue = q;
create (ref);
}
/**
* Notifies the VM that a new Reference has been created.
*/
private native void create (Object o);
/**
* Returns the object, this reference refers to.
* @return the object, this reference refers to, or null if the
@ -138,6 +156,7 @@ public abstract class Reference
public void clear()
{
referent = null;
copy = null;
}
/**