blob: c5e92106ab6cd53d0b834a25a87c4a2fa4e1b8cc (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
|
/*
* Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef WEBRTC_VIDEO_ENGINE_VIE_MANAGER_BASE_H_
#define WEBRTC_VIDEO_ENGINE_VIE_MANAGER_BASE_H_
#include "webrtc/base/thread_annotations.h"
namespace webrtc {
class RWLockWrapper;
class LOCKABLE ViEManagerBase {
friend class ViEManagedItemScopedBase;
friend class ViEManagerScopedBase;
friend class ViEManagerWriteScoped;
public:
ViEManagerBase();
~ViEManagerBase();
private:
// Exclusive lock, used by ViEManagerWriteScoped.
void WriteLockManager() EXCLUSIVE_LOCK_FUNCTION();
// Releases exclusive lock, used by ViEManagerWriteScoped.
void ReleaseWriteLockManager() UNLOCK_FUNCTION();
// Increases lock count, used by ViEManagerScopedBase.
void ReadLockManager() const SHARED_LOCK_FUNCTION();
// Releases the lock count, used by ViEManagerScopedBase.
void ReleaseLockManager() const UNLOCK_FUNCTION();
RWLockWrapper& instance_rwlock_;
};
class SCOPED_LOCKABLE ViEManagerWriteScoped {
public:
explicit ViEManagerWriteScoped(ViEManagerBase* vie_manager)
EXCLUSIVE_LOCK_FUNCTION(vie_manager);
~ViEManagerWriteScoped() UNLOCK_FUNCTION();
private:
ViEManagerBase* vie_manager_;
};
class ViEManagerScopedBase {
friend class ViEManagedItemScopedBase;
public:
explicit ViEManagerScopedBase(const ViEManagerBase& vie_manager);
~ViEManagerScopedBase();
protected:
const ViEManagerBase* vie_manager_;
private:
int ref_count_;
};
class ViEManagedItemScopedBase {
public:
explicit ViEManagedItemScopedBase(ViEManagerScopedBase* vie_scoped_manager);
~ViEManagedItemScopedBase();
protected:
ViEManagerScopedBase* vie_scoped_manager_;
};
} // namespace webrtc
#endif // WEBRTC_VIDEO_ENGINE_VIE_MANAGER_BASE_H_
|
