1 /*
   2  * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #ifndef SHARE_VM_RUNTIME_THREAD_INLINE_HPP
  26 #define SHARE_VM_RUNTIME_THREAD_INLINE_HPP
  27 
  28 #define SHARE_VM_RUNTIME_THREAD_INLINE_HPP_SCOPE
  29 
  30 #include "runtime/thread.hpp"
  31 #ifdef TARGET_OS_FAMILY_linux
  32 # include "thread_linux.inline.hpp"
  33 #endif
  34 #ifdef TARGET_OS_FAMILY_solaris
  35 # include "thread_solaris.inline.hpp"
  36 #endif
  37 #ifdef TARGET_OS_FAMILY_windows
  38 # include "thread_windows.inline.hpp"
  39 #endif
  40 #ifdef TARGET_OS_FAMILY_aix
  41 # include "thread_aix.inline.hpp"
  42 #endif
  43 #ifdef TARGET_OS_FAMILY_bsd
  44 # include "thread_bsd.inline.hpp"
  45 #endif
  46 
  47 #undef SHARE_VM_RUNTIME_THREAD_INLINE_HPP_SCOPE
  48 
  49 inline jlong Thread::cooked_allocated_bytes() {
  50   jlong allocated_bytes = OrderAccess::load_acquire(&_allocated_bytes);
  51   if (UseTLAB) {
  52     size_t used_bytes = tlab().used_bytes();
  53     if ((ssize_t)used_bytes > 0) {
  54       // More-or-less valid tlab. The load_acquire above should ensure
  55       // that the result of the add is <= the instantaneous value.
  56       return allocated_bytes + used_bytes;
  57     }
  58   }
  59   return allocated_bytes;
  60 }
  61 
  62 #if defined(PPC64) || defined (AARCH64)
  63 inline JavaThreadState JavaThread::thread_state() const    {
  64   return (JavaThreadState) OrderAccess::load_acquire((volatile jint*)&_thread_state);
  65 }
  66 
  67 inline void JavaThread::set_thread_state(JavaThreadState s) {
  68   OrderAccess::release_store((volatile jint*)&_thread_state, (jint)s);
  69 }
  70 #endif
  71 
  72 inline void JavaThread::set_done_attaching_via_jni() {
  73   _jni_attach_state = _attached_via_jni;
  74   OrderAccess::fence();
  75 }
  76 
  77 #endif // SHARE_VM_RUNTIME_THREAD_INLINE_HPP