lockmgr::MutexTracker Class Reference

#include <LockMgrImpl.h>

Public Member Functions
	MutexTracker ()
MutexTypeBase &	acquire ()
void	release ()
bool	isAcquired () const

Private Attributes
std::atomic< size_t >	ref_count_
MutexTypeBase	mutex_

Detailed Description

Definition at line 36 of file LockMgrImpl.h.

Constructor & Destructor Documentation

MutexTracker()

lockmgr::MutexTracker::MutexTracker ( )

inline

Definition at line 38 of file LockMgrImpl.h.

: ref_count_(0u) {}

Member Function Documentation

acquire()

MutexTypeBase& lockmgr::MutexTracker::acquire ( )

inline

Definition at line 40 of file LockMgrImpl.h.

References mutex_, and ref_count_.

                           {
    ref_count_.fetch_add(1u);
    return mutex_;
  }

isAcquired()

bool lockmgr::MutexTracker::isAcquired ( ) const

inline

Definition at line 50 of file LockMgrImpl.h.

References ref_count_.

{ return ref_count_.load() > 0; }

release()

void lockmgr::MutexTracker::release ( )

inline

Definition at line 45 of file LockMgrImpl.h.

References CHECK_GE, and ref_count_.

                 {
    const auto stored_ref_count = ref_count_.fetch_sub(1u);
    CHECK_GE(stored_ref_count, size_t(1));
  }

Member Data Documentation

mutex_

MutexTypeBase lockmgr::MutexTracker::mutex_

private

Definition at line 54 of file LockMgrImpl.h.

Referenced by acquire(), lockmgr::TrackedRefLock< LOCK >::TrackedRefLock(), and lockmgr::TrackedRefLock< LOCK >::~TrackedRefLock().

ref_count_

std::atomic<size_t> lockmgr::MutexTracker::ref_count_

private

Definition at line 53 of file LockMgrImpl.h.

Referenced by acquire(), isAcquired(), and release().

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

• /home/jenkins-slave/workspace/core-os-doxygen/LockMgr/LockMgrImpl.h