v8
V8 is Google’s open source high-performance JavaScript and WebAssembly engine, written in C++.
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Public Types | Static Public Member Functions | Static Public Attributes | Static Private Member Functions | Friends | List of all members
v8::internal::FutexEmulation Class Reference

#include <futex-emulation.h>

Inheritance diagram for v8::internal::FutexEmulation:
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Public Types

enum  WaitMode { kSync = 0 , kAsync }
 
enum class  CallType { kIsNotWasm = 0 , kIsWasm }
 

Static Public Member Functions

static Tagged< Object > WaitJs32 (Isolate *isolate, WaitMode mode, DirectHandle< JSArrayBuffer > array_buffer, size_t addr, int32_t value, double rel_timeout_ms)
 
static Tagged< Object > WaitJs64 (Isolate *isolate, WaitMode mode, DirectHandle< JSArrayBuffer > array_buffer, size_t addr, int64_t value, double rel_timeout_ms)
 
static V8_EXPORT_PRIVATE Tagged< Object > WaitWasm32 (Isolate *isolate, DirectHandle< JSArrayBuffer > array_buffer, size_t addr, int32_t value, int64_t rel_timeout_ns)
 
static V8_EXPORT_PRIVATE Tagged< Object > WaitWasm64 (Isolate *isolate, DirectHandle< JSArrayBuffer > array_buffer, size_t addr, int64_t value, int64_t rel_timeout_ns)
 
static V8_EXPORT_PRIVATE int Wake (Tagged< JSArrayBuffer > array_buffer, size_t addr, uint32_t num_waiters_to_wake)
 
static int Wake (void *addr, uint32_t num_waiters_to_wake)
 
static void IsolateDeinit (Isolate *isolate)
 
static int NumWaitersForTesting (Tagged< JSArrayBuffer > array_buffer, size_t addr)
 
static int NumUnresolvedAsyncPromisesForTesting (Tagged< JSArrayBuffer > array_buffer, size_t addr)
 

Static Public Attributes

static const uint32_t kWakeAll = UINT32_MAX
 

Static Private Member Functions

template<typename T >
static Tagged< Object > Wait (Isolate *isolate, WaitMode mode, DirectHandle< JSArrayBuffer > array_buffer, size_t addr, T value, double rel_timeout_ms)
 
template<typename T >
static Tagged< Object > Wait (Isolate *isolate, WaitMode mode, DirectHandle< JSArrayBuffer > array_buffer, size_t addr, T value, bool use_timeout, int64_t rel_timeout_ns, CallType call_type=CallType::kIsNotWasm)
 
template<typename T >
static Tagged< Object > WaitSync (Isolate *isolate, DirectHandle< JSArrayBuffer > array_buffer, size_t addr, T value, bool use_timeout, int64_t rel_timeout_ns, CallType call_type)
 
template<typename T >
static Tagged< Object > WaitAsync (Isolate *isolate, DirectHandle< JSArrayBuffer > array_buffer, size_t addr, T value, bool use_timeout, int64_t rel_timeout_ns, CallType call_type)
 
static void ResolveAsyncWaiterPromises (Isolate *isolate)
 
static void ResolveAsyncWaiterPromise (FutexWaitListNode *node)
 
static void HandleAsyncWaiterTimeout (FutexWaitListNode *node)
 
static void NotifyAsyncWaiter (FutexWaitListNode *node)
 
static void CleanupAsyncWaiterPromise (FutexWaitListNode *node)
 

Friends

class FutexWaitListNode
 
class ResolveAsyncWaiterPromisesTask
 
class AsyncWaiterTimeoutTask
 

Detailed Description

Definition at line 138 of file futex-emulation.h.

Member Enumeration Documentation

◆ CallType

enum class v8::internal::FutexEmulation::CallType
strong
Enumerator
kIsNotWasm 
kIsWasm 

Definition at line 141 of file futex-emulation.h.

◆ WaitMode

enum v8::internal::FutexEmulation::WaitMode
Enumerator
kSync 
kAsync 

Definition at line 140 of file futex-emulation.h.

Member Function Documentation

◆ CleanupAsyncWaiterPromise()

void v8::internal::FutexEmulation::CleanupAsyncWaiterPromise ( FutexWaitListNode * node)
staticprivate

Definition at line 727 of file futex-emulation.cc.

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◆ HandleAsyncWaiterTimeout()

void v8::internal::FutexEmulation::HandleAsyncWaiterTimeout ( FutexWaitListNode * node)
staticprivate

Definition at line 837 of file futex-emulation.cc.

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◆ IsolateDeinit()

void v8::internal::FutexEmulation::IsolateDeinit ( Isolate * isolate)
static

Definition at line 864 of file futex-emulation.cc.

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◆ NotifyAsyncWaiter()

void v8::internal::FutexEmulation::NotifyAsyncWaiter ( FutexWaitListNode * node)
staticprivate

Definition at line 179 of file futex-emulation.cc.

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◆ NumUnresolvedAsyncPromisesForTesting()

int v8::internal::FutexEmulation::NumUnresolvedAsyncPromisesForTesting ( Tagged< JSArrayBuffer > array_buffer,
size_t addr )
static

Definition at line 931 of file futex-emulation.cc.

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◆ NumWaitersForTesting()

int v8::internal::FutexEmulation::NumWaitersForTesting ( Tagged< JSArrayBuffer > array_buffer,
size_t addr )
static

Definition at line 907 of file futex-emulation.cc.

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◆ ResolveAsyncWaiterPromise()

void v8::internal::FutexEmulation::ResolveAsyncWaiterPromise ( FutexWaitListNode * node)
staticprivate

Definition at line 759 of file futex-emulation.cc.

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◆ ResolveAsyncWaiterPromises()

void v8::internal::FutexEmulation::ResolveAsyncWaiterPromises ( Isolate * isolate)
staticprivate

Definition at line 801 of file futex-emulation.cc.

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◆ Wait() [1/2]

template<typename T >
Tagged< Object > v8::internal::FutexEmulation::Wait ( Isolate * isolate,
WaitMode mode,
DirectHandle< JSArrayBuffer > array_buffer,
size_t addr,
T value,
bool use_timeout,
int64_t rel_timeout_ns,
CallType call_type = CallType::kIsNotWasm )
staticprivate

Definition at line 345 of file futex-emulation.cc.

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◆ Wait() [2/2]

template<typename T >
Tagged< Object > v8::internal::FutexEmulation::Wait ( Isolate * isolate,
WaitMode mode,
DirectHandle< JSArrayBuffer > array_buffer,
size_t addr,
T value,
double rel_timeout_ms )
staticprivate

Definition at line 318 of file futex-emulation.cc.

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◆ WaitAsync()

template<typename T >
Tagged< Object > v8::internal::FutexEmulation::WaitAsync ( Isolate * isolate,
DirectHandle< JSArrayBuffer > array_buffer,
size_t addr,
T value,
bool use_timeout,
int64_t rel_timeout_ns,
CallType call_type )
staticprivate

Definition at line 503 of file futex-emulation.cc.

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◆ WaitJs32()

Tagged< Object > v8::internal::FutexEmulation::WaitJs32 ( Isolate * isolate,
WaitMode mode,
DirectHandle< JSArrayBuffer > array_buffer,
size_t addr,
int32_t value,
double rel_timeout_ms )
static

Definition at line 287 of file futex-emulation.cc.

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◆ WaitJs64()

Tagged< Object > v8::internal::FutexEmulation::WaitJs64 ( Isolate * isolate,
WaitMode mode,
DirectHandle< JSArrayBuffer > array_buffer,
size_t addr,
int64_t value,
double rel_timeout_ms )
static

Definition at line 295 of file futex-emulation.cc.

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◆ WaitSync()

template<typename T >
Tagged< Object > v8::internal::FutexEmulation::WaitSync ( Isolate * isolate,
DirectHandle< JSArrayBuffer > array_buffer,
size_t addr,
T value,
bool use_timeout,
int64_t rel_timeout_ns,
CallType call_type )
staticprivate

Definition at line 360 of file futex-emulation.cc.

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◆ WaitWasm32()

Tagged< Object > v8::internal::FutexEmulation::WaitWasm32 ( Isolate * isolate,
DirectHandle< JSArrayBuffer > array_buffer,
size_t addr,
int32_t value,
int64_t rel_timeout_ns )
static

Definition at line 303 of file futex-emulation.cc.

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◆ WaitWasm64()

Tagged< Object > v8::internal::FutexEmulation::WaitWasm64 ( Isolate * isolate,
DirectHandle< JSArrayBuffer > array_buffer,
size_t addr,
int64_t value,
int64_t rel_timeout_ns )
static

Definition at line 310 of file futex-emulation.cc.

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◆ Wake() [1/2]

int v8::internal::FutexEmulation::Wake ( Tagged< JSArrayBuffer > array_buffer,
size_t addr,
uint32_t num_waiters_to_wake )
static

Definition at line 628 of file futex-emulation.cc.

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◆ Wake() [2/2]

int v8::internal::FutexEmulation::Wake ( void * addr,
uint32_t num_waiters_to_wake )
static

Definition at line 634 of file futex-emulation.cc.

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Friends And Related Symbol Documentation

◆ AsyncWaiterTimeoutTask

friend class AsyncWaiterTimeoutTask
friend

Definition at line 202 of file futex-emulation.h.

◆ FutexWaitListNode

friend class FutexWaitListNode
friend

Definition at line 200 of file futex-emulation.h.

◆ ResolveAsyncWaiterPromisesTask

friend class ResolveAsyncWaiterPromisesTask
friend

Definition at line 201 of file futex-emulation.h.

Member Data Documentation

◆ kWakeAll

const uint32_t v8::internal::FutexEmulation::kWakeAll = UINT32_MAX
static

Definition at line 144 of file futex-emulation.h.

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