From-SVN: r120621

From-SVN: r101453

2003-09-19  David Daney <ddaney@avtrex.com>

	* java/lang/ref/Reference.java (clear): Set referent to null and
	synchronize.

From-SVN: r71597

	* java/lang/ref/Reference.java (get): Indentation fix.
	(clear): Comment fix.
	(enqueue): Likewise.
	(lock): Likewise.
	(referent): Likewise.

From-SVN: r70814

2003-08-21  David Daney  <ddaney@avtrex.com>

	Fix for PR libgcj/12013:
	* java/lang/ref/natReference.cc (finalize_referred_to_object):
	Check `cleared' field.
	* java/lang/ref/Reference.java (copy): Updated comments.
	(cleared): New field.
	(clear): Rewrote.

From-SVN: r70668

	* java/lang/ref/natReference.cc (add_to_hash): Look at `copy', not
	`referent'.
	(finalize_referred_to_object): Don't modify `referent' or `copy'
	fields.
	(add_to_hash): Correctly set `n->next' when updating list.
	* java/lang/ref/Reference.java (enqueue): Return false if already
	enqueued.

From-SVN: r59278

From-SVN: r49104

	* 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

	* Makefile.am: Add HashSet.java and java/lang/ref classes.
	Remove BasicMapEntry.java and Bucket.java.
	* Makefile.in: Rebuilt.
	* java/util/HashMap.java: Rewritten.
	* java/util/HashSet.java: Imported from classpath.
	* java/util/WeakHashMap.java: Imported from classpath.
	* java/util/Hashtable.java: Rewritten based on new HashMap code.
	* java/util/Bucket.java: Deleted.
	* java/util/BasicMapEntry.java: Deleted.
	* java/util/Collections.java (search): Use a for-loop, not iterator
	hasNext().
	(copy): Use a for-loop. Throw an IndexOutOfBoundsException if run out
	of elements in source.
	(max): Use a for-loop.
	(min): Ditto.
	(reverse): Keep track of positions instead of using Iterator's
	nextIndex() and previousIndex().
	(shuffle(List)): Initialize defaultRandom if required using
	double-check thread safety idiom. Call two-argument shuffle method
	using defaultRandom.
	(defaultRandom): New field.
	(shuffle(List, Random)): Use a for-loop. Keep track of pos instead
	of using previousIndex() and nextIndex().
	(singletonMap(iterator)): Use a HashMap.Entry, not BasicMapEntry.
	* java/util/AbstractCollection.java (toString): Use a StringBuffer.
	* java/util/AbstractMap.java (toString): Use StringBuffer.
	* java/lang/ref/PhantomReference.java: Imported from classpath.
	* java/lang/ref/SoftReference.java: Ditto.
	* java/lang/ref/Reference.java: Ditto.
	* java/lang/ref/WeakReference.java: Ditto.
	* java/lang/ref/ReferenceQueue.java: Ditto.

From-SVN: r38183