OLD | NEW |
| (Empty) |
1 /* | |
2 * Copyright (c) 2011 The WebRTC project authors. All Rights Reserved. | |
3 * | |
4 * Use of this source code is governed by a BSD-style license | |
5 * that can be found in the LICENSE file in the root of the source | |
6 * tree. An additional intellectual property rights grant can be found | |
7 * in the file PATENTS. All contributing project authors may | |
8 * be found in the AUTHORS file in the root of the source tree. | |
9 */ | |
10 | |
11 #ifndef WEBRTC_MODULES_UTILITY_INTERFACE_PROCESS_THREAD_H_ | |
12 #define WEBRTC_MODULES_UTILITY_INTERFACE_PROCESS_THREAD_H_ | |
13 | |
14 #include "webrtc/typedefs.h" | |
15 #include "webrtc/base/scoped_ptr.h" | |
16 | |
17 namespace webrtc { | |
18 class Module; | |
19 | |
20 class ProcessTask { | |
21 public: | |
22 ProcessTask() {} | |
23 virtual ~ProcessTask() {} | |
24 | |
25 virtual void Run() = 0; | |
26 }; | |
27 | |
28 class ProcessThread { | |
29 public: | |
30 virtual ~ProcessThread(); | |
31 | |
32 static rtc::scoped_ptr<ProcessThread> Create(const char* thread_name); | |
33 | |
34 // Starts the worker thread. Must be called from the construction thread. | |
35 virtual void Start() = 0; | |
36 | |
37 // Stops the worker thread. Must be called from the construction thread. | |
38 virtual void Stop() = 0; | |
39 | |
40 // Wakes the thread up to give a module a chance to do processing right | |
41 // away. This causes the worker thread to wake up and requery the specified | |
42 // module for when it should be called back. (Typically the module should | |
43 // return 0 from TimeUntilNextProcess on the worker thread at that point). | |
44 // Can be called on any thread. | |
45 virtual void WakeUp(Module* module) = 0; | |
46 | |
47 // Queues a task object to run on the worker thread. Ownership of the | |
48 // task object is transferred to the ProcessThread and the object will | |
49 // either be deleted after running on the worker thread, or on the | |
50 // construction thread of the ProcessThread instance, if the task did not | |
51 // get a chance to run (e.g. posting the task while shutting down or when | |
52 // the thread never runs). | |
53 virtual void PostTask(rtc::scoped_ptr<ProcessTask> task) = 0; | |
54 | |
55 // Adds a module that will start to receive callbacks on the worker thread. | |
56 // Can be called from any thread. | |
57 virtual void RegisterModule(Module* module) = 0; | |
58 | |
59 // Removes a previously registered module. | |
60 // Can be called from any thread. | |
61 virtual void DeRegisterModule(Module* module) = 0; | |
62 }; | |
63 | |
64 } // namespace webrtc | |
65 | |
66 #endif // WEBRTC_MODULES_UTILITY_INTERFACE_PROCESS_THREAD_H_ | |
OLD | NEW |