absl::base_internal::SpinLock Class Reference

#include <spinlock.h>

List of all members.

Public Member Functions
bool	IsHeld () const
void	Lock () EXCLUSIVE_LOCK_FUNCTION()
	SpinLock ()
	SpinLock (base_internal::LinkerInitialized)
	SpinLock (base_internal::SchedulingMode mode)
	SpinLock (base_internal::LinkerInitialized, base_internal::SchedulingMode mode)
bool	TryLock () EXCLUSIVE_TRYLOCK_FUNCTION(true)
void	Unlock () UNLOCK_FUNCTION()
	~SpinLock ()
Static Protected Member Functions
static uint64_t	DecodeWaitCycles (uint32_t lock_value)
static uint32_t	EncodeWaitCycles (int64_t wait_start_time, int64_t wait_end_time)
Private Types
enum	{ kSpinLockCooperative = 2 }
enum	{ kSpinLockDisabledScheduling = 4 }
enum	{ kSpinLockSleeper = 8 }
enum	{ kWaitTimeMask }
enum	{ kSpinLockHeld = 1 }
Private Member Functions
void	InitLinkerInitializedAndCooperative ()
SpinLock &	operator= (const SpinLock &)
void	SlowLock () ABSL_ATTRIBUTE_COLD
void	SlowUnlock (uint32_t lock_value) ABSL_ATTRIBUTE_COLD
	SpinLock (const SpinLock &)
uint32_t	SpinLoop ()
bool	TryLockImpl ()
uint32_t	TryLockInternal (uint32_t lock_value, uint32_t wait_cycles)
Static Private Member Functions
static constexpr bool	IsCooperative (base_internal::SchedulingMode scheduling_mode)
Private Attributes
std::atomic< uint32_t >	lockword_
Friends
struct	SpinLockTest

---

Detailed Description

Definition at line 51 of file spinlock.h.

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Member Enumeration Documentation

anonymous enum [private]

Enumerator:

kSpinLockCooperative

Definition at line 151 of file spinlock.h.

anonymous enum [private]

Enumerator:

kSpinLockDisabledScheduling

Definition at line 152 of file spinlock.h.

anonymous enum [private]

Enumerator:

kSpinLockSleeper

Definition at line 153 of file spinlock.h.

anonymous enum [private]

Enumerator:

kWaitTimeMask

Definition at line 154 of file spinlock.h.

anonymous enum [private]

Enumerator:

kSpinLockHeld

Definition at line 150 of file spinlock.h.

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Constructor & Destructor Documentation

absl::base_internal::SpinLock::SpinLock

(

)

[inline]

Definition at line 53 of file spinlock.h.

absl::base_internal::SpinLock::SpinLock

(

base_internal::LinkerInitialized

)

[inline, explicit]

Definition at line 68 of file spinlock.h.

absl::base_internal::SpinLock::SpinLock

(

base_internal::SchedulingMode

mode

)

[explicit]

Definition at line 69 of file spinlock.cc.

absl::base_internal::SpinLock::SpinLock	(	base_internal::LinkerInitialized	,
		base_internal::SchedulingMode	mode
	)

Definition at line 74 of file spinlock.cc.

absl::base_internal::SpinLock::~SpinLock

(

)

[inline]

Definition at line 79 of file spinlock.h.

absl::base_internal::SpinLock::SpinLock

(

const SpinLock &

)

[private]

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Member Function Documentation

uint64_t absl::base_internal::SpinLock::DecodeWaitCycles

(

uint32_t

lock_value

)

[static, protected]

Definition at line 222 of file spinlock.cc.

uint32_t absl::base_internal::SpinLock::EncodeWaitCycles	(	int64_t	wait_start_time,
		int64_t	wait_end_time
	)		[static, protected]

Definition at line 198 of file spinlock.cc.

void absl::base_internal::SpinLock::InitLinkerInitializedAndCooperative

(

)

[private]

Definition at line 91 of file spinlock.cc.

static constexpr bool absl::base_internal::SpinLock::IsCooperative

(

base_internal::SchedulingMode

scheduling_mode

)

[inline, static, private]

Definition at line 158 of file spinlock.h.

bool absl::base_internal::SpinLock::IsHeld

(

)

const [inline]

Definition at line 125 of file spinlock.h.

void absl::base_internal::SpinLock::Lock

(

)

[inline]

Definition at line 82 of file spinlock.h.

SpinLock& absl::base_internal::SpinLock::operator=

(

const SpinLock &

)

[private]

void absl::base_internal::SpinLock::SlowLock

(

)

[private]

Definition at line 117 of file spinlock.cc.

void absl::base_internal::SpinLock::SlowUnlock

(

uint32_t

lock_value

)

[private]

Definition at line 174 of file spinlock.cc.

uint32_t absl::base_internal::SpinLock::SpinLoop

(

)

[private]

Definition at line 100 of file spinlock.cc.

bool absl::base_internal::SpinLock::TryLock

(

)

[inline]

Definition at line 94 of file spinlock.h.

bool absl::base_internal::SpinLock::TryLockImpl

(

)

[inline, private]

Definition at line 169 of file spinlock.h.

uint32_t absl::base_internal::SpinLock::TryLockInternal	(	uint32_t	lock_value,
		uint32_t	wait_cycles
	)		[inline, private]

Definition at line 213 of file spinlock.h.

void absl::base_internal::SpinLock::Unlock

(

)

[inline]

Definition at line 104 of file spinlock.h.

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Friends And Related Function Documentation

friend struct SpinLockTest [friend]

Definition at line 141 of file spinlock.h.

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Member Data Documentation

std::atomic<uint32_t> absl::base_internal::SpinLock::lockword_ [private]

Definition at line 174 of file spinlock.h.

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

• spinlock.h
• spinlock.cc