TestQueue Struct Reference

Public Member Functions
	TestQueue ()
	~TestQueue ()
bool	Push ()
bool	Pop ()
bool	Empty ()

Public Attributes
std::atomic< int >	val_

Static Public Attributes
static const int	kQueueSize = 10

Constructor & Destructor Documentation

TestQueue()

TestQueue::TestQueue ( )

inline

: val_() {}

~TestQueue()

TestQueue::~TestQueue ( )

inline

{ VERIFY_IS_EQUAL(val_.load(), 0); }

References val_, and VERIFY_IS_EQUAL.

Member Function Documentation

Empty()

bool TestQueue::Empty ( )

inline

{ return val_.load(std::memory_order_relaxed) == 0; }

References val_.

Pop()

bool TestQueue::Pop ( )

inline

             {
    int val = val_.load(std::memory_order_relaxed);
    for (;;) {
      VERIFY_GE(val, 0);
      VERIFY_LE(val, kQueueSize);
      if (val == 0) return false;
      if (val_.compare_exchange_weak(val, val - 1, std::memory_order_relaxed)) return true;
    }
  }

References kQueueSize, calibrate::val, val_, VERIFY_GE, and VERIFY_LE.

Push()

bool TestQueue::Push ( )

inline

              {
    int val = val_.load(std::memory_order_relaxed);
    for (;;) {
      VERIFY_GE(val, 0);
      VERIFY_LE(val, kQueueSize);
      if (val == kQueueSize) return false;
      if (val_.compare_exchange_weak(val, val + 1, std::memory_order_relaxed)) return true;
    }
  }

References kQueueSize, calibrate::val, val_, VERIFY_GE, and VERIFY_LE.

Member Data Documentation

kQueueSize

const int TestQueue::kQueueSize = 10

static

Referenced by Pop(), and Push().

val_

std::atomic<int> TestQueue::val_

Referenced by Empty(), Pop(), Push(), and ~TestQueue().

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

• threads_eventcount.cpp