HL::SpinLockType Class Reference

#include <spinlock-old.h>

Collaboration diagram for HL::SpinLockType:

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

Static Public Member Functions
static size_t	MyInterlockedExchange (size_t *, size_t)

Private Types
enum	{ UNLOCKED = 0, LOCKED = 1 }
enum	{ MAX_SPIN_LIMIT = 1024 }

Private Member Functions
NO_INLINE void	contendedLock ()
bool	onMultiprocessor (void)
void	yieldProcessor (void)

Private Attributes
volatile size_t	mutex

Detailed Description

Definition at line 88 of file spinlock-old.h.

Member Enumeration Documentation

anonymous enum

private

Enumerator
UNLOCKED
LOCKED

Definition at line 91 of file spinlock-old.h.

anonymous enum

private

Enumerator
MAX_SPIN_LIMIT

Definition at line 177 of file spinlock-old.h.

Constructor & Destructor Documentation

HL::SpinLockType::SpinLockType ( void  )

inline

Definition at line 95 of file spinlock-old.h.

HL::SpinLockType::~SpinLockType ( )

inline

Definition at line 103 of file spinlock-old.h.

Member Function Documentation

NO_INLINE void HL::SpinLockType::contendedLock ( )

inlineprivate

Definition at line 143 of file spinlock-old.h.

References _MM_PAUSE, cubregex::count(), LOCKED, UNLOCKED, and yieldProcessor().

Referenced by lock().

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void HL::SpinLockType::lock ( )

inline

Definition at line 106 of file spinlock-old.h.

References contendedLock(), LOCKED, mutex, MyInterlockedExchange(), and UNLOCKED.

size_t HL::SpinLockType::MyInterlockedExchange ( size_t *  oldval, size_t  newval  )

inlinestatic

Definition at line 193 of file spinlock-old.h.

Referenced by lock(), and unlock().

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bool HL::SpinLockType::onMultiprocessor ( void  )

inlineprivate

Definition at line 162 of file spinlock-old.h.

References HL::CPUInfo::getNumProcessors().

void HL::SpinLockType::unlock ( )

inline

Definition at line 119 of file spinlock-old.h.

References mutex, MyInterlockedExchange(), NO_INLINE, and UNLOCKED.

void HL::SpinLockType::yieldProcessor ( void  )

inlineprivate

Definition at line 167 of file spinlock-old.h.

Referenced by contendedLock().

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Member Data Documentation

volatile size_t HL::SpinLockType::mutex

private

Definition at line 179 of file spinlock-old.h.

Referenced by lock(), and unlock().

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

• src/heaplayers/locks/spinlock-old.h