1 /*
 2  * Copyright (c) 2015, 2017, 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 #ifndef SHARE_GC_Z_ZLOCK_INLINE_HPP
25 #define SHARE_GC_Z_ZLOCK_INLINE_HPP
26 
27 #include "gc/z/zLock.hpp"
28 
29 inline ZLock::ZLock() {
30   pthread_mutex_init(&_lock, NULL);
31 }
32 
33 inline void ZLock::lock() {
34   pthread_mutex_lock(&_lock);
35 }
36 
37 inline bool ZLock::try_lock() {
38   return pthread_mutex_trylock(&_lock) == 0;
39 }
40 
41 inline void ZLock::unlock() {
42   pthread_mutex_unlock(&_lock);
43 }
44 
45 inline ZLocker::ZLocker(ZLock* lock) :
46     _lock(lock) {
47   _lock->lock();
48 }
49 
50 inline ZLocker::~ZLocker() {
51   _lock->unlock();
52 }
53 
54 #endif // SHARE_GC_Z_ZLOCK_INLINE_HPP