interrupt_atomic< T > Class Template Reference

#include <MIDI_Interfaces/USBMIDI/util/Atomic.hpp>

Detailed Description

template<class T>
class interrupt_atomic< T >

Wrapper that provides atomic access to variables shared between the main program and interrupt handlers, by inserting the appropriate compile-time fences.

On chips that don't implement any atomic instructions in hardware, like the Cortex-M0, interrupts may be disabled to ensure atomicity of read- modify-write operations. Interface derived from std::atomic.

Definition at line 81 of file Atomic.hpp.

Collaboration diagram for interrupt_atomic< T >:

Public Member Functions
	interrupt_atomic () noexcept=default
	interrupt_atomic (T t) noexcept
T	load (std::memory_order o) const
void	store (T t, std::memory_order o) noexcept
T	exchange (T arg, std::memory_order o)
bool	compare_exchange_strong (T &expected, T desired, std::memory_order o) noexcept
bool	compare_exchange_weak (T &expected, T desired, std::memory_order o) noexcept
T	fetch_add (T arg, std::memory_order o)
T	fetch_sub (T arg, std::memory_order o)

Static Public Member Functions
static void	after_load_fence (std::memory_order o) noexcept
static void	before_store_fence (std::memory_order o) noexcept

Private Attributes
std::atomic< T >	value

Constructor & Destructor Documentation

interrupt_atomic() [1/2]

template<class T >

interrupt_atomic ( )

defaultnoexcept

interrupt_atomic() [2/2]

template<class T >

interrupt_atomic ( T t )

inlineexplicitnoexcept

Definition at line 84 of file Atomic.hpp.

Member Function Documentation

after_load_fence()

template<class T >

static void after_load_fence ( std::memory_order o )

inlinestaticnoexcept

Definition at line 87 of file Atomic.hpp.

before_store_fence()

template<class T >

static void before_store_fence ( std::memory_order o )

inlinestaticnoexcept

Definition at line 106 of file Atomic.hpp.

load()

template<class T >

T load ( std::memory_order o ) const

inline

Definition at line 124 of file Atomic.hpp.

store()

template<class T >

void store ( T t, std::memory_order o )

inlinenoexcept

Definition at line 132 of file Atomic.hpp.

exchange()

template<class T >

T exchange ( T arg, std::memory_order o )

inline

Definition at line 140 of file Atomic.hpp.

compare_exchange_strong()

template<class T >

bool compare_exchange_strong ( T & expected, T desired, std::memory_order o )

inlinenoexcept

Definition at line 148 of file Atomic.hpp.

compare_exchange_weak()

template<class T >

bool compare_exchange_weak ( T & expected, T desired, std::memory_order o )

inlinenoexcept

Definition at line 158 of file Atomic.hpp.

fetch_add()

template<class T >

T fetch_add ( T arg, std::memory_order o )

inline

Definition at line 167 of file Atomic.hpp.

fetch_sub()

template<class T >

T fetch_sub ( T arg, std::memory_order o )

inline

Definition at line 174 of file Atomic.hpp.

Member Data Documentation

value

template<class T >

std::atomic<T> value

private

Definition at line 230 of file Atomic.hpp.

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The documentation for this class was generated from the following file:

• Atomic.hpp