SeExpr
Mutex.h
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1/*
2 Copyright Disney Enterprises, Inc. All rights reserved.
3
4 Licensed under the Apache License, Version 2.0 (the "License");
5 you may not use this file except in compliance with the License
6 and the following modification to it: Section 6 Trademarks.
7 deleted and replaced with:
8
9 6. Trademarks. This License does not grant permission to use the
10 trade names, trademarks, service marks, or product names of the
11 Licensor and its affiliates, except as required for reproducing
12 the content of the NOTICE file.
13
14 You may obtain a copy of the License at
15 http://www.apache.org/licenses/LICENSE-2.0
16*/
17#ifndef Mutex_h
18#define Mutex_h
19
20// #define DEBUG_THREADING
21
22#include "Platform.h"
23
25namespace SeExprInternal2 {
26#ifndef NDEBUG
27template <class T>
28class DebugLock : public T {
29 public:
31 void lock() {
32 T::lock();
33 _locked = 1;
34 }
35 void unlock() {
36 assert(_locked);
37 _locked = 0;
38 T::unlock();
39 }
40 bool locked() { return _locked != 0; }
41
42 private:
44};
45#endif
46
48template <class T>
49class AutoLock {
50 public:
51 AutoLock(T& m) : _m(m) { _m.lock(); }
52 ~AutoLock() { _m.unlock(); }
53
54 private:
55 T& _m;
56};
57
58#ifndef NDEBUG
59// add debug wrappers to mutex and spinlock
62#else
63typedef _Mutex Mutex;
64typedef _SpinLock SpinLock;
65#endif
66
69}
70
71#endif
Platform-specific classes, functions, and includes.
AutoLock< Mutex > AutoMutex
Definition Mutex.h:67
DebugLock< _SpinLock > SpinLock
Definition Mutex.h:61
DebugLock< _Mutex > Mutex
Definition Mutex.h:60
AutoLock< SpinLock > AutoSpin
Definition Mutex.h:68