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src/hotspot/share/runtime/javaThread.inline.hpp

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 13  * version 2 for more details (a copy is included in the LICENSE file that
 14  * accompanied this code).
 15  *
 16  * You should have received a copy of the GNU General Public License version
 17  * 2 along with this work; if not, write to the Free Software Foundation,
 18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 19  *
 20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 21  * or visit www.oracle.com if you need additional information or have any
 22  * questions.
 23  *
 24  */
 25 
 26 #ifndef SHARE_RUNTIME_JAVATHREAD_INLINE_HPP
 27 #define SHARE_RUNTIME_JAVATHREAD_INLINE_HPP
 28 
 29 #include "runtime/javaThread.hpp"
 30 
 31 #include "classfile/javaClasses.hpp"
 32 #include "gc/shared/tlab_globals.hpp"


 33 #include "memory/universe.hpp"
 34 #include "oops/instanceKlass.hpp"
 35 #include "oops/oopHandle.inline.hpp"
 36 #include "runtime/atomic.hpp"
 37 #include "runtime/continuation.hpp"
 38 #include "runtime/continuationEntry.inline.hpp"
 39 #include "runtime/nonJavaThread.hpp"

 40 #include "runtime/orderAccess.hpp"
 41 #include "runtime/safepoint.hpp"



 42 
 43 inline void JavaThread::set_suspend_flag(SuspendFlags f) {
 44   uint32_t flags;
 45   do {
 46     flags = _suspend_flags;
 47   }
 48   while (Atomic::cmpxchg(&_suspend_flags, flags, (flags | f)) != flags);
 49 }
 50 inline void JavaThread::clear_suspend_flag(SuspendFlags f) {
 51   uint32_t flags;
 52   do {
 53     flags = _suspend_flags;
 54   }
 55   while (Atomic::cmpxchg(&_suspend_flags, flags, (flags & ~f)) != flags);
 56 }
 57 
 58 inline void JavaThread::set_trace_flag() {
 59   set_suspend_flag(_trace_flag);
 60 }
 61 inline void JavaThread::clear_trace_flag() {

222 inline void JavaThread::set_terminated(TerminatedTypes t) {
223   Atomic::release_store(&_terminated, t);
224 }
225 
226 inline bool JavaThread::is_active_Java_thread() const {
227   return on_thread_list() && !is_terminated();
228 }
229 
230 // Allow tracking of class initialization monitor use
231 inline void JavaThread::set_class_to_be_initialized(InstanceKlass* k) {
232   assert((k == nullptr && _class_to_be_initialized != nullptr) ||
233          (k != nullptr && _class_to_be_initialized == nullptr), "incorrect usage");
234   assert(this == Thread::current(), "Only the current thread can set this field");
235   _class_to_be_initialized = k;
236 }
237 
238 inline InstanceKlass* JavaThread::class_to_be_initialized() const {
239   return _class_to_be_initialized;
240 }
241 


































































242 #endif // SHARE_RUNTIME_JAVATHREAD_INLINE_HPP

 13  * version 2 for more details (a copy is included in the LICENSE file that
 14  * accompanied this code).
 15  *
 16  * You should have received a copy of the GNU General Public License version
 17  * 2 along with this work; if not, write to the Free Software Foundation,
 18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 19  *
 20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 21  * or visit www.oracle.com if you need additional information or have any
 22  * questions.
 23  *
 24  */
 25 
 26 #ifndef SHARE_RUNTIME_JAVATHREAD_INLINE_HPP
 27 #define SHARE_RUNTIME_JAVATHREAD_INLINE_HPP
 28 
 29 #include "runtime/javaThread.hpp"
 30 
 31 #include "classfile/javaClasses.hpp"
 32 #include "gc/shared/tlab_globals.hpp"
 33 #include "logging/log.hpp"
 34 #include "memory/resourceArea.hpp"
 35 #include "memory/universe.hpp"
 36 #include "oops/instanceKlass.hpp"
 37 #include "oops/oopHandle.inline.hpp"
 38 #include "runtime/atomic.hpp"
 39 #include "runtime/continuation.hpp"
 40 #include "runtime/continuationEntry.inline.hpp"
 41 #include "runtime/nonJavaThread.hpp"
 42 #include "runtime/objectMonitor.inline.hpp"
 43 #include "runtime/orderAccess.hpp"
 44 #include "runtime/safepoint.hpp"
 45 #include "runtime/synchronizer.hpp"
 46 #include "utilities/globalDefinitions.hpp"
 47 #include "utilities/sizes.hpp"
 48 
 49 inline void JavaThread::set_suspend_flag(SuspendFlags f) {
 50   uint32_t flags;
 51   do {
 52     flags = _suspend_flags;
 53   }
 54   while (Atomic::cmpxchg(&_suspend_flags, flags, (flags | f)) != flags);
 55 }
 56 inline void JavaThread::clear_suspend_flag(SuspendFlags f) {
 57   uint32_t flags;
 58   do {
 59     flags = _suspend_flags;
 60   }
 61   while (Atomic::cmpxchg(&_suspend_flags, flags, (flags & ~f)) != flags);
 62 }
 63 
 64 inline void JavaThread::set_trace_flag() {
 65   set_suspend_flag(_trace_flag);
 66 }
 67 inline void JavaThread::clear_trace_flag() {

228 inline void JavaThread::set_terminated(TerminatedTypes t) {
229   Atomic::release_store(&_terminated, t);
230 }
231 
232 inline bool JavaThread::is_active_Java_thread() const {
233   return on_thread_list() && !is_terminated();
234 }
235 
236 // Allow tracking of class initialization monitor use
237 inline void JavaThread::set_class_to_be_initialized(InstanceKlass* k) {
238   assert((k == nullptr && _class_to_be_initialized != nullptr) ||
239          (k != nullptr && _class_to_be_initialized == nullptr), "incorrect usage");
240   assert(this == Thread::current(), "Only the current thread can set this field");
241   _class_to_be_initialized = k;
242 }
243 
244 inline InstanceKlass* JavaThread::class_to_be_initialized() const {
245   return _class_to_be_initialized;
246 }
247 
248 inline void JavaThread::om_set_monitor_cache(ObjectMonitor* monitor) {
249   assert(LockingMode == LM_LIGHTWEIGHT, "must be");
250   assert(monitor != nullptr, "use om_clear_monitor_cache to clear");
251   assert(this == current() || monitor->owner_raw() == this, "only add owned monitors for other threads");
252   assert(this == current() || is_obj_deopt_suspend(), "thread must not run concurrently");
253 
254   _om_cache.set_monitor(monitor);
255 }
256 
257 inline void JavaThread::om_clear_monitor_cache() {
258   if (LockingMode != LM_LIGHTWEIGHT) {
259     return;
260   }
261 
262   _om_cache.clear();
263 
264   LogTarget(Info, monitorinflation, thread) lt;
265   if (!lt.is_enabled()) {
266     return;
267   }
268 
269   ResourceMark rm;
270 
271   if (_unlocked_inflation != 0 ||
272       _recursive_inflation != 0 ||
273       _contended_recursive_inflation != 0 ||
274       _contended_inflation != 0 ||
275       _wait_inflation != 0 ||
276       _lock_stack_inflation != 0) {
277     lt.print("Mon: %8zu Rec: %8zu CRec: %8zu Cont: %8zu Wait: %8zu Stack: %8zu Thread: %s",
278              _unlocked_inflation,
279              _recursive_inflation,
280              _contended_recursive_inflation,
281              _contended_inflation,
282              _wait_inflation,
283              _lock_stack_inflation,
284              name());
285   }
286   _unlocked_inflation            = 0;
287   _recursive_inflation           = 0;
288   _contended_recursive_inflation = 0;
289   _contended_inflation           = 0;
290   _wait_inflation                = 0;
291   _lock_stack_inflation          = 0;
292 
293   if (_lock_lookup != 0 ||
294       _unlock_lookup != 0) {
295     const double lock_hit_rate = (double)_lock_hit / (double)_lock_lookup * 100;
296     const double unlock_hit_rate = (double)_unlock_hit / (double)_unlock_lookup * 100;
297     lt.print("Lock: %3.2lf %% [%6zu / %6zu] Unlock: %3.2lf %% [%6zu / %6zu] Thread: %s",
298              lock_hit_rate, _lock_hit, _lock_lookup,
299              unlock_hit_rate, _unlock_hit, _unlock_lookup,
300              name());
301   }
302   _lock_hit = 0;
303   _lock_lookup = 0;
304   _unlock_hit = 0;
305   _unlock_lookup = 0;
306 }
307 
308 inline ObjectMonitor* JavaThread::om_get_from_monitor_cache(oop obj) {
309   assert(obj != nullptr, "do not look for null objects");
310   assert(this == current(), "only get own thread locals");
311   return _om_cache.get_monitor(obj);
312 }
313 
314 #endif // SHARE_RUNTIME_JAVATHREAD_INLINE_HPP
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