natFinalizerThread.cc: New file.

* gnu/gcj/runtime/natFinalizerThread.cc: New file.
	* java/lang/natRuntime.cc: Include FinalizerThread.h.
	(runFinalization): Call finalizerReady.
	* nogc.cc (_Jv_GCInitializeFinalizers): New function.
	* prims.cc: Include VirtualMachineError.h, FinalizerThread.h.
	(_Jv_CreateJavaVM): Start the finalizer thread.
	* no-threads.cc: Include InternalError.h.
	(_Jv_ThreadStart): Throw InternalError.
	(_Jv_ThreadInitData): Don't throw error if this is not the first
	thread.
	* Makefile.in: Rebuilt.
	* Makefile.am (ordinary_java_source_files): Added
	FinalizerThread.java.
	(nat_source_files): Added natFinalizerThread.cc.
	* include/jvm.h (_Jv_GCInitializeFinalizers): Declare.
	* boehm.cc (_Jv_GCInitializeFinalizers): New function.
	* gnu/gcj/runtime/FirstThread.java (run): Start finalizer thread.
	* gnu/gcj/runtime/FinalizerThread.java: New file.

From-SVN: r46163

libjava/prims.cc

@@ -53,7 +53,6 @@ details.  */
 #include <java/lang/String.h>
 #include <java/lang/Thread.h>
 #include <java/lang/ThreadGroup.h>
-#include <gnu/gcj/runtime/FirstThread.h>
 #include <java/lang/ArrayIndexOutOfBoundsException.h>
 #include <java/lang/ArithmeticException.h>
 #include <java/lang/ClassFormatError.h>
@@ -64,7 +63,10 @@ details.  */
 #include <java/lang/reflect/Modifier.h>
 #include <java/io/PrintStream.h>
 #include <java/lang/UnsatisfiedLinkError.h>
+#include <java/lang/VirtualMachineError.h>
 #include <gnu/gcj/runtime/VMClassLoader.h>
+#include <gnu/gcj/runtime/FinalizerThread.h>
+#include <gnu/gcj/runtime/FirstThread.h>
 
 #ifdef USE_LTDL
 #include <ltdl.h>
@@ -894,6 +896,21 @@ _Jv_CreateJavaVM (void* /*vm_args*/)
 
   _Jv_JNI_Init ();
 
+  _Jv_GCInitializeFinalizers (&::gnu::gcj::runtime::FinalizerThread::finalizerReady);
+
+  // Start the GC finalizer thread.  A VirtualMachineError can be
+  // thrown by the runtime if, say, threads aren't available.  In this
+  // case finalizers simply won't run.
+  try
+    {
+      using namespace gnu::gcj::runtime;
+      FinalizerThread *ft = new FinalizerThread ();
+      ft->start ();
+    }
+  catch (java::lang::VirtualMachineError *ignore)
+    {
+    }
+
   return 0;
 }