tommi 641455176a Revert of Change ProcessThread's task type to be the one from TaskQueue. (patchset #3 id:80001 of https://codereview.webrtc.org/2016043003/ )
Reason for revert:
Downstream issues

Original issue's description:
> Change ProcessThread's task type to be the one from TaskQueue.
> ProcessThread will eventually be replaced by TaskQueue, so this is the first little step.
>
> BUG=
> R=magjed@webrtc.org
>
> Committed: https://crrev.com/400a276c8a0b299190ff17a81edd8780a26d63d3
> Cr-Commit-Position: refs/heads/master@{#12952}

TBR=magjed@webrtc.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=

Review-Url: https://codereview.webrtc.org/2020783003
Cr-Commit-Position: refs/heads/master@{#12953}
2016-05-28 18:00:38 +00:00

68 lines
2.2 KiB
C++

/*
* 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 <memory>
#include "webrtc/typedefs.h"
namespace webrtc {
class Module;
class ProcessTask {
public:
ProcessTask() {}
virtual ~ProcessTask() {}
virtual void Run() = 0;
};
class ProcessThread {
public:
virtual ~ProcessThread();
static std::unique_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(std::unique_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_