os_thread_android.h

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// 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 RUNTIME_VM_OS_THREAD_ANDROID_H_
#define RUNTIME_VM_OS_THREAD_ANDROID_H_
 
#if !defined(RUNTIME_VM_OS_THREAD_H_)
#error Do not include os_thread_android.h directly; use os_thread.h instead.
#endif
 
#include <pthread.h>
 
#include "platform/assert.h"
#include "platform/globals.h"
 
namespace dart {
 
typedef pthread_key_t ThreadLocalKey;
typedef pid_t ThreadId;
typedef pthread_t ThreadJoinId;
 
static const ThreadLocalKey kUnsetThreadLocalKey =
    static_cast<pthread_key_t>(-1);
 
class ThreadInlineImpl {
 private:
  ThreadInlineImpl() {}
  ~ThreadInlineImpl() {}
 
  static uword GetThreadLocal(ThreadLocalKey key) {
    ASSERT(key != kUnsetThreadLocalKey);
    return reinterpret_cast<uword>(pthread_getspecific(key));
  }
 
  friend class OSThread;
 
  DISALLOW_ALLOCATION();
  DISALLOW_COPY_AND_ASSIGN(ThreadInlineImpl);
};
 
class MutexData {
 private:
  MutexData() {}
  ~MutexData() {}
 
  pthread_mutex_t* mutex() { return &mutex_; }
 
  pthread_mutex_t mutex_;
 
  friend class Mutex;
 
  DISALLOW_ALLOCATION();
  DISALLOW_COPY_AND_ASSIGN(MutexData);
};
 
class MonitorData {
 private:
  MonitorData() {}
  ~MonitorData() {}
 
  pthread_mutex_t* mutex() { return &mutex_; }
  pthread_cond_t* cond() { return &cond_; }
 
  pthread_mutex_t mutex_;
  pthread_cond_t cond_;
 
  friend class Monitor;
 
  DISALLOW_ALLOCATION();
  DISALLOW_COPY_AND_ASSIGN(MonitorData);
};
 
}  // namespace dart
 
#endif  // RUNTIME_VM_OS_THREAD_ANDROID_H_