blob: 60dc75f24f465dafe62a6a7b0e051bd5fa88411e [file] [log] [blame]
// Copyright (c) 2012, 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.
#ifndef BIN_THREAD_H_
#define BIN_THREAD_H_
#include "platform/globals.h"
namespace dart {
namespace bin {
class Thread;
class Mutex;
class Monitor;
// Declare the OS-specific types ahead of defining the generic classes.
#if defined(TARGET_OS_ANDROID)
#include "bin/thread_android.h"
#elif defined(TARGET_OS_LINUX)
#include "bin/thread_linux.h"
#elif defined(TARGET_OS_MACOS)
#include "bin/thread_macos.h"
#elif defined(TARGET_OS_WINDOWS)
#include "bin/thread_win.h"
#error Unknown target os.
namespace dart {
namespace bin {
class Thread {
static ThreadLocalKey kUnsetThreadLocalKey;
static ThreadId kInvalidThreadId;
typedef void (*ThreadStartFunction) (uword parameter);
// Start a thread running the specified function. Returns 0 if the
// thread started successfuly and a system specific error code if
// the thread failed to start.
static int Start(ThreadStartFunction function, uword parameters);
static ThreadLocalKey CreateThreadLocal();
static void DeleteThreadLocal(ThreadLocalKey key);
static uword GetThreadLocal(ThreadLocalKey key) {
return ThreadInlineImpl::GetThreadLocal(key);
static void SetThreadLocal(ThreadLocalKey key, uword value);
static intptr_t GetMaxStackSize();
static ThreadId GetCurrentThreadId();
static bool Join(ThreadId id);
static intptr_t ThreadIdToIntPtr(ThreadId id);
static bool Compare(ThreadId a, ThreadId b);
static void GetThreadCpuUsage(ThreadId thread_id, int64_t* cpu_usage);
static void InitOnce();
class Mutex {
void Lock();
bool TryLock();
void Unlock();
MutexData data_;
class Monitor {
enum WaitResult {
static const int64_t kNoTimeout = 0;
void Enter();
void Exit();
// Wait for notification or timeout.
WaitResult Wait(int64_t millis);
WaitResult WaitMicros(int64_t micros);
// Notify waiting threads.
void Notify();
void NotifyAll();
MonitorData data_; // OS-specific data.
} // namespace bin
} // namespace dart
#endif // BIN_THREAD_H_