configure.in: Only allow hash synchronization when POSIX threads are enabled.

	* configure.in: Only allow hash synchronization when POSIX threads
	are enabled.
	* java/lang/natObject.cc (alloc_heavy): Properly find `init' field
	of sync info object.

From-SVN: r42530

libjava/ChangeLog

+2001-05-24  Tom Tromey  <tromey@redhat.com>
+
+	* configure.in: Only allow hash synchronization when POSIX threads
+	are enabled.
+	* java/lang/natObject.cc (alloc_heavy): Properly find `init' field
+	of sync info object.
+
 2001-05-23  Tom Tromey  <tromey@redhat.com>
 
 	* Makefile.in: Rebuilt.

libjava/configure.in

@@ -75,12 +75,6 @@ AC_ARG_ENABLE(hash-synchronization,
 if test -z "$enable_hash_synchronization"; then
    enable_hash_synchronization=$enable_hash_synchronization_default
 fi
-HASH_SYNC_SPEC=
-if test "$enable_hash_synchronization" = yes; then
-   HASH_SYNC_SPEC=-fhash-synchronization
-   AC_DEFINE(JV_HASH_SYNCHRONIZATION)
-fi
-AC_SUBST(HASH_SYNC_SPEC)
 
 
 dnl See if the user has requested runtime debugging.
@@ -359,6 +353,15 @@ AC_SUBST(THREADDEPS)
 AC_SUBST(THREADOBJS)
 AC_SUBST(THREADSPEC)
 
+HASH_SYNC_SPEC=
+# Hash synchronization is only useful with posix threads right now.
+if test "$enable_hash_synchronization" = yes && test "$THREADS" = "posix"; then
+   HASH_SYNC_SPEC=-fhash-synchronization
+   AC_DEFINE(JV_HASH_SYNCHRONIZATION)
+fi
+AC_SUBST(HASH_SYNC_SPEC)
+
+
 AM_CONDITIONAL(USING_GCC, test "$GCC" = yes)
 
 CANADIAN=no

libjava/java/lang/natObject.cc

@@ -691,7 +691,7 @@ alloc_heavy(obj_addr_t addr, hash_entry *he)
   _Jv_MutexInit (&(hl -> si.mutex));
   _Jv_CondInit (&(hl -> si.condition));
 # if defined (_Jv_HaveCondDestroy) || defined (_Jv_HaveMutexDestroy)
-    si->init = true;  // needed ?
+    hl->si.init = true;  // needed ?
 # endif
   hl -> next = he -> heavy_locks;
   he -> heavy_locks = hl;