1// Copyright 2014 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef MOJO_PUBLIC_CPP_UTILITY_THREAD_H_
6#define MOJO_PUBLIC_CPP_UTILITY_THREAD_H_
7
8#ifdef _WIN32
9#error "Not implemented: See crbug.com/342893."
10#endif
11
12#include <pthread.h>
13#include <stddef.h>
14
15#include "mojo/public/cpp/system/macros.h"
16
17namespace mojo {
18
19// This class is thread-friendly, not thread-safe (e.g., you mustn't call
20// |Join()| from multiple threads and/or simultaneously try to destroy the
21// object).
22class Thread {
23 public:
24  // TODO(vtl): Support non-joinable? priority?
25  class Options {
26   public:
27    Options() : stack_size_(0) {}
28
29    // A stack size of 0 means the default.
30    size_t stack_size() const { return stack_size_; }
31    void set_stack_size(size_t stack_size) { stack_size_ = stack_size; }
32
33   private:
34    size_t stack_size_;
35
36    // Copy and assign allowed.
37  };
38
39  // TODO(vtl): Add name or name prefix?
40  Thread();
41  explicit Thread(const Options& options);
42  virtual ~Thread();
43
44  void Start();
45  void Join();
46
47  virtual void Run() = 0;
48
49 private:
50  static void* ThreadRunTrampoline(void* arg);
51
52  const Options options_;
53  pthread_t thread_;
54  bool started_;
55  bool joined_;
56
57  MOJO_DISALLOW_COPY_AND_ASSIGN(Thread);
58};
59
60}  // namespace mojo
61
62#endif  // MOJO_PUBLIC_CPP_UTILITY_THREAD_H_
63