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Mutex.h

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1 /*

2 * Copyright (c) 2018, NVIDIA CORPORATION. All rights reserved.

3 *

4 * Permission is hereby granted, free of charge, to any person obtaining a

5 * copy of this software and associated documentation files (the "Software"),

6 * to deal in the Software without restriction, including without limitation

7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,

8 * and/or sell copies of the Software, and to permit persons to whom the

9 * Software is furnished to do so, subject to the following conditions:

10 *

11 * The above copyright notice and this permission notice shall be included in

12 * all copies or substantial portions of the Software.

13 *

14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL

17 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING

19 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER

20 * DEALINGS IN THE SOFTWARE.

21 */

22

23 #ifndef __MULTITHREAD_MUTEX_H_

24 #define __MULTITHREAD_MUTEX_H_

25

26 #include <pthread.h>

27

28

35 class Mutex

36 {

37 public:

41inline Mutex();

42

46inline ~Mutex();

47

52inline bool AttemptLock();

53

58inline void Lock();

59

63inline void Unlock();

64

69inline void Sync();

70

74inline pthread_mutex_t* GetID();

75

76 protected:

77 pthread_mutex_t mID;

78 };

79

80 // inline implementations

81 #include "Mutex.inl"

82

83 #endif

Mutex::Lock

void Lock()

Aquire the lock, whenever it becomes available.

Mutex::Mutex

Mutex()

Constructor.

Mutex::Unlock

void Unlock()

Release the lock.

Mutex::Sync

void Sync()

Wait for the lock, then release it immediately.

Mutex

A lightweight mutual exclusion lock.

Definition: Mutex.h:35

Mutex::mID

pthread_mutex_t mID

Definition: Mutex.h:77

Mutex::AttemptLock

bool AttemptLock()

If the lock is free, aquire it.

Mutex::~Mutex

~Mutex()

Destructor.

Mutex::GetID

pthread_mutex_t * GetID()

Get the mutex object.