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hotspot/src/share/vm/runtime/objectMonitor.inline.hpp

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+/*
+ * Copyright 1998-2005 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+inline intptr_t ObjectMonitor::is_entered(TRAPS) const {
+  if (THREAD == _owner || THREAD->is_lock_owned((address) _owner)) {
+    return 1;
+  }
+  return 0;
+}
+
+inline markOop ObjectMonitor::header() const {
+  return _header;
+}
+
+inline void ObjectMonitor::set_header(markOop hdr) {
+  _header = hdr;
+}
+
+inline intptr_t ObjectMonitor::count() const {
+  return _count;
+}
+
+inline void ObjectMonitor::set_count(intptr_t count) {
+  _count= count;
+}
+
+inline intptr_t ObjectMonitor::waiters() const {
+  return _waiters;
+}
+
+inline void* ObjectMonitor::owner() const {
+  return _owner;
+}
+
+inline void ObjectMonitor::clear() {
+  assert(_header, "Fatal logic error in ObjectMonitor header!");
+  assert(_count == 0, "Fatal logic error in ObjectMonitor count!");
+  assert(_waiters == 0, "Fatal logic error in ObjectMonitor waiters!");
+  assert(_recursions == 0, "Fatal logic error in ObjectMonitor recursions!");
+  assert(_object, "Fatal logic error in ObjectMonitor object!");
+  assert(_owner == 0, "Fatal logic error in ObjectMonitor owner!");
+
+  _header = NULL;
+  _object = NULL;
+}
+
+
+inline void* ObjectMonitor::object() const {
+  return _object;
+}
+
+inline void* ObjectMonitor::object_addr() {
+  return (void *)(&_object);
+}
+
+inline void ObjectMonitor::set_object(void* obj) {
+  _object = obj;
+}
+
+inline bool ObjectMonitor::check(TRAPS) {
+  if (THREAD != _owner) {
+    if (THREAD->is_lock_owned((address) _owner)) {
+      _owner = THREAD;  // regain ownership of inflated monitor
+      OwnerIsThread = 1 ;
+      assert (_recursions == 0, "invariant") ;
+    } else {
+      check_slow(THREAD);
+      return false;
+    }
+  }
+  return true;
+}
+
+
+// return number of threads contending for this monitor
+inline intptr_t ObjectMonitor::contentions() const {
+  return _count;
+}
+
+inline void ObjectMonitor::set_owner(void* owner) {
+  _owner = owner;
+  _recursions = 0;
+  _count = 0;
+}
+
+
+// here are the platform-dependent bodies:
+
+# include "incls/_objectMonitor_pd.inline.hpp.incl"