activemq-cpp-3.9.5
Atomics.h
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1/*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
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5 * The ASF licenses this file to You under the Apache License, Version 2.0
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8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
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12 * distributed under the License is distributed on an "AS IS" BASIS,
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14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18#ifndef _DECAF_INTERNAL_UTIL_CONCURRENT_ATOMICS_H_
19#define _DECAF_INTERNAL_UTIL_CONCURRENT_ATOMICS_H_
20
21#include <decaf/util/Config.h>
22
23namespace decaf {
24namespace internal {
25namespace util {
26namespace concurrent {
27
28 class Threading;
29
30 class DECAF_API Atomics {
31 private:
32
33 Atomics();
34 Atomics(const Atomics&);
35 Atomics& operator= (const Atomics&);
36
37 public:
38
39 template<typename T>
40 static bool compareAndSwap(T*& target, T* expect, T* update) {
41
42 return Atomics::compareAndSet((volatile void**)&target, (void*)expect, (void*)update);
43 }
44
45 public:
46
47 static bool compareAndSet32(volatile int* target, int expect, int update);
48 static bool compareAndSet(volatile void** target, void* expect, void* update);
49
50 static void* getAndSet(volatile void** target, void* value);
51 static int getAndSet(volatile int* target, int value);
52
53 static int getAndIncrement(volatile int* target);
54 static int getAndDecrement(volatile int* target);
55
56 static int getAndAdd(volatile int* target, int delta);
57 static int addAndGet(volatile int* target, int delta);
58
59 static int incrementAndGet(volatile int* target);
60 static int decrementAndGet(volatile int* target);
61
62 private:
63
64 static void initialize();
65 static void shutdown();
66
67 friend class Threading;
68 };
69
70}}}}
71
72#endif /* _DECAF_INTERNAL_UTIL_CONCURRENT_ATOMICS_H_ */
static bool compareAndSet32(volatile int *target, int expect, int update)
static int addAndGet(volatile int *target, int delta)
static bool compareAndSet(volatile void **target, void *expect, void *update)
static int getAndAdd(volatile int *target, int delta)
static int getAndDecrement(volatile int *target)
static void * getAndSet(volatile void **target, void *value)
static bool compareAndSwap(T *&target, T *expect, T *update)
Definition Atomics.h:40
static int incrementAndGet(volatile int *target)
static int getAndSet(volatile int *target, int value)
static int getAndIncrement(volatile int *target)
static int decrementAndGet(volatile int *target)
friend class Threading
Definition Atomics.h:67
#define DECAF_API
Definition Config.h:29
Definition Atomics.h:26
Definition ByteArrayAdapter.h:30
Definition AprPool.h:26
Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.
Definition AprPool.h:25