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src/hotspot/share/prims/jvmtiGetLoadedClasses.cpp

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rev 56464 : 8231707: Improve Mutex inlining
Contributed-by: robbin.ehn@oracle.com, claes.redestad@oracle.com


  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 #include "precompiled.hpp"
  26 #include "classfile/classLoaderDataGraph.hpp"
  27 #include "classfile/dictionary.hpp"
  28 #include "classfile/systemDictionary.hpp"
  29 #include "gc/shared/collectedHeap.hpp"
  30 #include "memory/universe.hpp"
  31 #include "prims/jvmtiGetLoadedClasses.hpp"
  32 #include "runtime/handles.inline.hpp"

  33 #include "runtime/jniHandles.inline.hpp"
  34 #include "runtime/thread.hpp"
  35 #include "utilities/stack.inline.hpp"
  36 
  37 // The closure for GetLoadedClasses
  38 class LoadedClassesClosure : public KlassClosure {
  39 private:
  40   Stack<jclass, mtInternal> _classStack;
  41   JvmtiEnv* _env;
  42   Thread*   _cur_thread;
  43   bool      _dictionary_walk;
  44 
  45   int extract(jclass* result_list) {
  46     // The size of the Stack will be 0 after extract, so get it here
  47     int count = (int)_classStack.size();
  48     int i = count;
  49 
  50     // Pop all jclasses, fill backwards
  51     while (!_classStack.is_empty()) {
  52       result_list[--i] = _classStack.pop();




  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 #include "precompiled.hpp"
  26 #include "classfile/classLoaderDataGraph.hpp"
  27 #include "classfile/dictionary.hpp"
  28 #include "classfile/systemDictionary.hpp"
  29 #include "gc/shared/collectedHeap.hpp"
  30 #include "memory/universe.hpp"
  31 #include "prims/jvmtiGetLoadedClasses.hpp"
  32 #include "runtime/handles.inline.hpp"
  33 #include "runtime/mutexLocker.inline.hpp"
  34 #include "runtime/jniHandles.inline.hpp"
  35 #include "runtime/thread.hpp"
  36 #include "utilities/stack.inline.hpp"
  37 
  38 // The closure for GetLoadedClasses
  39 class LoadedClassesClosure : public KlassClosure {
  40 private:
  41   Stack<jclass, mtInternal> _classStack;
  42   JvmtiEnv* _env;
  43   Thread*   _cur_thread;
  44   bool      _dictionary_walk;
  45 
  46   int extract(jclass* result_list) {
  47     // The size of the Stack will be 0 after extract, so get it here
  48     int count = (int)_classStack.size();
  49     int i = count;
  50 
  51     // Pop all jclasses, fill backwards
  52     while (!_classStack.is_empty()) {
  53       result_list[--i] = _classStack.pop();


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