SeExpr
SeExpr2
Mutex.h
Go to the documentation of this file.
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/*
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Copyright Disney Enterprises, Inc. All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License
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and the following modification to it: Section 6 Trademarks.
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deleted and replaced with:
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6. Trademarks. This License does not grant permission to use the
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trade names, trademarks, service marks, or product names of the
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Licensor and its affiliates, except as required for reproducing
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the content of the NOTICE file.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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*/
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#ifndef Mutex_h
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#define Mutex_h
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// #define DEBUG_THREADING
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#include "
Platform.h
"
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namespace
SeExprInternal2
{
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#ifndef NDEBUG
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template
<
class
T>
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class
DebugLock
:
public
T {
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public
:
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DebugLock
() :
_locked
(0) {}
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void
lock
() {
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T::lock();
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_locked
= 1;
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}
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void
unlock
() {
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assert(
_locked
);
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_locked
= 0;
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T::unlock();
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}
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bool
locked
() {
return
_locked
!= 0; }
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private
:
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int
_locked
;
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};
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#endif
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template
<
class
T>
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class
AutoLock
{
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public
:
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AutoLock
(T& m) :
_m
(m) {
_m
.lock(); }
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~AutoLock
() {
_m
.unlock(); }
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private
:
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T&
_m
;
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};
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#ifndef NDEBUG
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// add debug wrappers to mutex and spinlock
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typedef
DebugLock<_Mutex>
Mutex
;
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typedef
DebugLock<_SpinLock>
SpinLock
;
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#else
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typedef
_Mutex
Mutex
;
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typedef
_SpinLock
SpinLock
;
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#endif
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typedef
AutoLock<Mutex>
AutoMutex
;
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typedef
AutoLock<SpinLock>
AutoSpin
;
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}
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#endif
Platform.h
Platform-specific classes, functions, and includes.
SeExprInternal2::AutoLock
Definition:
Mutex.h:49
SeExprInternal2::AutoLock::~AutoLock
~AutoLock()
Definition:
Mutex.h:52
SeExprInternal2::AutoLock::_m
T & _m
Definition:
Mutex.h:55
SeExprInternal2::AutoLock::AutoLock
AutoLock(T &m)
Definition:
Mutex.h:51
SeExprInternal2::DebugLock
Definition:
Mutex.h:28
SeExprInternal2::DebugLock::unlock
void unlock()
Definition:
Mutex.h:35
SeExprInternal2::DebugLock::DebugLock
DebugLock()
Definition:
Mutex.h:30
SeExprInternal2::DebugLock::lock
void lock()
Definition:
Mutex.h:31
SeExprInternal2::DebugLock::_locked
int _locked
Definition:
Mutex.h:43
SeExprInternal2::DebugLock::locked
bool locked()
Definition:
Mutex.h:40
SeExprInternal2::_Mutex
Definition:
Platform.h:195
SeExprInternal2::_SpinLock
Definition:
Platform.h:218
SeExprInternal2
Definition:
Mutex.h:25
SeExprInternal2::AutoMutex
AutoLock< Mutex > AutoMutex
Definition:
Mutex.h:67
SeExprInternal2::SpinLock
DebugLock< _SpinLock > SpinLock
Definition:
Mutex.h:61
SeExprInternal2::Mutex
DebugLock< _Mutex > Mutex
Definition:
Mutex.h:60
SeExprInternal2::AutoSpin
AutoLock< SpinLock > AutoSpin
Definition:
Mutex.h:68
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