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 #ifndef SHARE_GC_Z_ZLOCK_HPP 25 #define SHARE_GC_Z_ZLOCK_HPP 26 27 #include "memory/allocation.hpp" 28 #include <pthread.h> 29 30 class ZLock { 31 private: 32 pthread_mutex_t _lock; 33 34 public: 35 ZLock(); 36 37 void lock(); 38 bool try_lock(); 39 void unlock(); 40 }; 41 42 class ZLocker : public StackObj { 43 private: 44 ZLock* const _lock; 45 46 public: 47 ZLocker(ZLock* lock); 48 ~ZLocker(); 49 }; 50 51 #endif // SHARE_GC_Z_ZLOCK_HPP | 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 #ifndef SHARE_GC_Z_ZLOCK_HPP 25 #define SHARE_GC_Z_ZLOCK_HPP 26 27 #include "memory/allocation.hpp" 28 #include <pthread.h> 29 30 class ZLock { 31 private: 32 pthread_mutex_t _lock; 33 34 public: 35 ZLock(); 36 ~ZLock(); 37 38 void lock(); 39 bool try_lock(); 40 void unlock(); 41 }; 42 43 class ZReentrantLock { 44 private: 45 ZLock _lock; 46 Thread* volatile _owner; 47 uint64_t _count; 48 49 public: 50 ZReentrantLock(); 51 52 void lock(); 53 void unlock(); 54 55 bool is_owned() const; 56 }; 57 58 template <typename T> 59 class ZLocker : public StackObj { 60 private: 61 T* const _lock; 62 63 public: 64 ZLocker(T* lock); 65 ~ZLocker(); 66 }; 67 68 #endif // SHARE_GC_Z_ZLOCK_HPP |