1// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
2// for details. All rights reserved. Use of this source code is governed by a
3// BSD-style license that can be found in the LICENSE file.
4
5#ifndef RUNTIME_VM_OS_THREAD_LINUX_H_
6#define RUNTIME_VM_OS_THREAD_LINUX_H_
7
8#if !defined(RUNTIME_VM_OS_THREAD_H_)
9#error Do not include os_thread_linux.h directly; use os_thread.h instead.
10#endif
11
12#include <pthread.h>
13
14#include "platform/assert.h"
15#include "platform/globals.h"
16
17namespace dart {
18
19typedef pthread_key_t ThreadLocalKey;
20typedef pthread_t ThreadId;
21typedef pthread_t ThreadJoinId;
22
23static const ThreadLocalKey kUnsetThreadLocalKey =
24 static_cast<pthread_key_t>(-1);
25
26class ThreadInlineImpl {
27 private:
28 ThreadInlineImpl() {}
29 ~ThreadInlineImpl() {}
30
31 static uword GetThreadLocal(ThreadLocalKey key) {
32 ASSERT(key != kUnsetThreadLocalKey);
33 return reinterpret_cast<uword>(pthread_getspecific(key));
34 }
35
36 friend class OSThread;
37
38 DISALLOW_ALLOCATION();
39 DISALLOW_COPY_AND_ASSIGN(ThreadInlineImpl);
40};
41
42class MutexData {
43 private:
44 MutexData() {}
45 ~MutexData() {}
46
47 pthread_mutex_t* mutex() { return &mutex_; }
48
49 pthread_mutex_t mutex_;
50
51 friend class Mutex;
52
53 DISALLOW_ALLOCATION();
54 DISALLOW_COPY_AND_ASSIGN(MutexData);
55};
56
57class MonitorData {
58 private:
59 MonitorData() {}
60 ~MonitorData() {}
61
62 pthread_mutex_t* mutex() { return &mutex_; }
63 pthread_cond_t* cond() { return &cond_; }
64
65 pthread_mutex_t mutex_;
66 pthread_cond_t cond_;
67
68 friend class Monitor;
69
70 DISALLOW_ALLOCATION();
71 DISALLOW_COPY_AND_ASSIGN(MonitorData);
72};
73
74} // namespace dart
75
76#endif // RUNTIME_VM_OS_THREAD_LINUX_H_
77