spinlock Class Reference

Intended for locking of resources that are only lightly contended and locked for very short times, can be used with std::lock_guard. More...

#include <spinlock.h>

Public Member Functions
	~spinlock ()
void	lock ()
void	unlock ()

Private Attributes
std::atomic_flag	flag = ATOMIC_FLAG_INIT

Detailed Description

Intended for locking of resources that are only lightly contended and locked for very short times, can be used with std::lock_guard.

Definition at line 21 of file spinlock.h.

Constructor & Destructor Documentation

~spinlock()

spinlock::~spinlock ( )

inline

Definition at line 25 of file spinlock.h.

{ }

Member Function Documentation

lock()

void spinlock::lock ( )

inline

Definition at line 27 of file spinlock.h.

   {
      for(unsigned i = 0; flag.test_and_set(std::memory_order_acquire); ++i)
         if(i & 1) std::this_thread::yield();
   }

References flag.

unlock()

void spinlock::unlock ( )

inline

Definition at line 33 of file spinlock.h.

   {
      flag.clear(std::memory_order_release);
   }

References flag.

Member Data Documentation

flag

std::atomic_flag spinlock::flag = ATOMIC_FLAG_INIT

private

Definition at line 23 of file spinlock.h.

Referenced by lock(), and unlock().

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

• spinlock.h