Locker Class Reference

#include <v8.h>

Public Member Functions
	Locker (Isolate *isolate=NULL)
	~Locker ()

Static Public Member Functions
static void	StartPreemption (int every_n_ms)
static void	StopPreemption ()
static bool	IsLocked (Isolate *isolate=NULL)
static bool	IsActive ()

Detailed Description

Definition at line 3893 of file v8.h.

Constructor & Destructor Documentation

Locker ( v8::Isolate *  isolate = NULL )

explicit

Initialize Locker for a given Isolate. NULL means default isolate.

Definition at line 47 of file v8threads.cc.

References ASSERT, StackGuard::ClearThread(), Isolate::EnterDefaultIsolate(), V8::Initialize(), StackGuard::InitThread(), Isolate::IsDefaultIsolate(), Isolate::IsInitialized(), ThreadManager::IsLockedByCurrentThread(), ThreadManager::Lock(), NULL, ThreadManager::RestoreThread(), Isolate::stack_guard(), and Isolate::thread_manager().

~Locker

(

)

Definition at line 102 of file v8threads.cc.

References ThreadManager::ArchiveThread(), ASSERT, ThreadManager::FreeThreadResources(), Isolate::IsDefaultIsolate(), ThreadManager::IsLockedByCurrentThread(), Isolate::thread_manager(), and ThreadManager::Unlock().

Member Function Documentation

bool IsActive ( )

static

Returns whether v8::Locker is being used by this V8 instance.

Definition at line 97 of file v8threads.cc.

bool IsLocked ( v8::Isolate *  isolate = NULL )

static

Returns whether or not the locker for a given isolate, or default isolate if NULL is given, is locked by the current thread.

Definition at line 88 of file v8threads.cc.

References ThreadManager::IsLockedByCurrentThread(), NULL, and Isolate::thread_manager().

Referenced by ContextSwitcher::PreemptionReceived(), LockAndUnlockDifferentIsolatesThread::Run(), LockUnlockLockThread::Run(), ContextSwitcher::StartPreemption(), ContextSwitcher::StopPreemption(), TEST(), and THREADED_TEST().

void StartPreemption ( int  every_n_ms )

static

Start preemption.

When preemption is started, a timer is fired every n milliseconds that will switch between multiple threads that are in contention for the V8 lock.

Definition at line 142 of file v8threads.cc.

References ContextSwitcher::StartPreemption().

Referenced by Isolate::Init(), Shell::RunMain(), RegExpInterruptTest::RunTest(), ApplyInterruptTest::RunTest(), RegExpStringModificationTest::RunTest(), and TEST().

void StopPreemption ( )

static

Stop preemption.

Definition at line 147 of file v8threads.cc.

References ContextSwitcher::StopPreemption().

Referenced by Shell::RunMain(), RegExpInterruptTest::RunTest(), ApplyInterruptTest::RunTest(), RegExpStringModificationTest::RunTest(), and TEST().

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

• include/v8.h
• src/v8threads.cc