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// Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
#include "vm/allocation.h"
#include "vm/signal_handler.h"
#include "vm/os_thread.h"
#include "vm/thread.h"
namespace dart {
class ThreadInterrupter : public AllStatic {
static void InitOnce();
static void Startup();
static void Shutdown();
// Delay between interrupts.
static void SetInterruptPeriod(intptr_t period);
// Wake up the thread interrupter thread.
static void WakeUp();
// Register the currently running thread for interrupts. If the current thread
// is already registered, callback and data will be updated.
static void Register(ThreadInterruptCallback callback, void* data);
// Unregister the currently running thread for interrupts.
static void Unregister();
// Interrupt a thread.
static void InterruptThread(Thread* thread);
static const intptr_t kMaxThreads = 4096;
static bool initialized_;
static bool shutdown_;
static bool thread_running_;
static ThreadJoinId interrupter_thread_id_;
static Monitor* monitor_;
static intptr_t interrupt_period_;
static intptr_t current_wait_time_;
static bool InDeepSleep() {
return current_wait_time_ == Monitor::kNoTimeout;
static void UpdateStateObject(ThreadInterruptCallback callback, void* data);
static void ThreadMain(uword parameters);
static void InstallSignalHandler();
static void RemoveSignalHandler();
friend class ThreadInterrupterVisitIsolates;
void ThreadInterruptNoOp(const InterruptedThreadState& state, void* data);
} // namespace dart