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_RUNTIME_SERVICETHREAD_HPP 26 #define SHARE_RUNTIME_SERVICETHREAD_HPP 27 28 #include "runtime/thread.hpp" 29 30 // A JavaThread for low memory detection support and JVMTI 31 // compiled-method-load events. 32 class ServiceThread : public JavaThread { 33 friend class VMStructs; 34 private: 35 36 static ServiceThread* _instance; 37 38 static void service_thread_entry(JavaThread* thread, TRAPS); 39 ServiceThread(ThreadFunction entry_point) : JavaThread(entry_point) {}; 40 41 public: 42 static void initialize(); 43 44 // Hide this thread from external view. 45 bool is_hidden_from_external_view() const { return true; } 46 47 // Returns true if the passed thread is the service thread. 48 static bool is_service_thread(Thread* thread); 49 }; 50 51 #endif // SHARE_RUNTIME_SERVICETHREAD_HPP | 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_RUNTIME_SERVICETHREAD_HPP 26 #define SHARE_RUNTIME_SERVICETHREAD_HPP 27 28 #include "runtime/thread.hpp" 29 30 // A hidden from external view JavaThread for JVMTI compiled-method-load 31 // events, oop storage cleanup, and the maintainance of string, symbol, 32 // protection domain, and resolved method tables. 33 34 class ServiceThread : public JavaThread { 35 friend class VMStructs; 36 private: 37 38 static ServiceThread* _instance; 39 40 static void service_thread_entry(JavaThread* thread, TRAPS); 41 ServiceThread(ThreadFunction entry_point) : JavaThread(entry_point) {}; 42 43 public: 44 static void initialize(); 45 46 // Hide this thread from external view. 47 bool is_hidden_from_external_view() const { return true; } 48 49 // Returns true if the passed thread is the service thread. 50 static bool is_service_thread(Thread* thread); 51 }; 52 53 #endif // SHARE_RUNTIME_SERVICETHREAD_HPP |