dart::InterruptChecker Class Reference

Inheritance diagram for dart::InterruptChecker:

Public Member Functions
	InterruptChecker (Thread *thread, ThreadBarrier *barrier)
virtual void	Run ()
Public Member Functions inherited from dart::ThreadPool::Task
virtual	~Task ()
Public Member Functions inherited from dart::IntrusiveDListEntry< Task >
	IntrusiveDListEntry ()
	~IntrusiveDListEntry ()

Static Public Attributes
static constexpr intptr_t	kTaskCount = 5
static constexpr intptr_t	kIterations = 10

Additional Inherited Members
Protected Member Functions inherited from dart::ThreadPool::Task
	Task ()

Detailed Description

Definition at line 110 of file isolate_test.cc.

Constructor & Destructor Documentation

InterruptChecker()

dart::InterruptChecker::InterruptChecker ( Thread *  thread, ThreadBarrier *  barrier  )

inline

Definition at line 115 of file isolate_test.cc.

      : thread_(thread), barrier_(barrier) {}

Member Function Documentation

Run()

virtual void dart::InterruptChecker::Run ( )

inlinevirtual

Implements dart::ThreadPool::Task.

Definition at line 118 of file isolate_test.cc.

                     {
    const bool kBypassSafepoint = false;
    Thread::EnterIsolateGroupAsHelper(thread_->isolate_group(),
                                      Thread::kUnknownTask, kBypassSafepoint);
    // Tell main thread that we are ready.
    barrier_->Sync();
    for (intptr_t i = 0; i < kIterations; ++i) {
      // Busy wait for interrupts.
      uword limit = 0;
      do {
        limit = reinterpret_cast<RelaxedAtomic<uword>*>(
                    thread_->stack_limit_address())
                    ->load();
      } while (
          (limit == thread_->saved_stack_limit_) ||
          (((limit & Thread::kInterruptsMask) & Thread::kVMInterrupt) == 0));
      // Tell main thread that we observed the interrupt.
      barrier_->Sync();
    }
    Thread::ExitIsolateGroupAsHelper(kBypassSafepoint);
    barrier_->Sync();
    barrier_->Release();
  }

Member Data Documentation

kIterations

constexpr intptr_t dart::InterruptChecker::kIterations = 10

staticconstexpr

Definition at line 113 of file isolate_test.cc.

kTaskCount

constexpr intptr_t dart::InterruptChecker::kTaskCount = 5

staticconstexpr

Definition at line 112 of file isolate_test.cc.

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

• third_party/dart-lang/sdk/runtime/vm/isolate_test.cc