diff options
Diffstat (limited to 'chromium/third_party/webrtc/modules/utility/include/process_thread.h')
-rw-r--r-- | chromium/third_party/webrtc/modules/utility/include/process_thread.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/chromium/third_party/webrtc/modules/utility/include/process_thread.h b/chromium/third_party/webrtc/modules/utility/include/process_thread.h new file mode 100644 index 00000000000..285a5ea5876 --- /dev/null +++ b/chromium/third_party/webrtc/modules/utility/include/process_thread.h @@ -0,0 +1,66 @@ +/* + * Copyright (c) 2011 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_MODULES_UTILITY_INCLUDE_PROCESS_THREAD_H_ +#define WEBRTC_MODULES_UTILITY_INCLUDE_PROCESS_THREAD_H_ + +#include "webrtc/typedefs.h" +#include "webrtc/base/scoped_ptr.h" + +namespace webrtc { +class Module; + +class ProcessTask { + public: + ProcessTask() {} + virtual ~ProcessTask() {} + + virtual void Run() = 0; +}; + +class ProcessThread { + public: + virtual ~ProcessThread(); + + static rtc::scoped_ptr<ProcessThread> Create(const char* thread_name); + + // Starts the worker thread. Must be called from the construction thread. + virtual void Start() = 0; + + // Stops the worker thread. Must be called from the construction thread. + virtual void Stop() = 0; + + // Wakes the thread up to give a module a chance to do processing right + // away. This causes the worker thread to wake up and requery the specified + // module for when it should be called back. (Typically the module should + // return 0 from TimeUntilNextProcess on the worker thread at that point). + // Can be called on any thread. + virtual void WakeUp(Module* module) = 0; + + // Queues a task object to run on the worker thread. Ownership of the + // task object is transferred to the ProcessThread and the object will + // either be deleted after running on the worker thread, or on the + // construction thread of the ProcessThread instance, if the task did not + // get a chance to run (e.g. posting the task while shutting down or when + // the thread never runs). + virtual void PostTask(rtc::scoped_ptr<ProcessTask> task) = 0; + + // Adds a module that will start to receive callbacks on the worker thread. + // Can be called from any thread. + virtual void RegisterModule(Module* module) = 0; + + // Removes a previously registered module. + // Can be called from any thread. + virtual void DeRegisterModule(Module* module) = 0; +}; + +} // namespace webrtc + +#endif // WEBRTC_MODULES_UTILITY_INCLUDE_PROCESS_THREAD_H_ |