99 lines
2.2 KiB
C++
99 lines
2.2 KiB
C++
|
/*
|
||
|
|
* Copyright 2004 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.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <algorithm>
|
||
|
|
|
||
|
|
#include "webrtc/base/taskparent.h"
|
||
|
|
|
||
|
|
#include "webrtc/base/common.h"
|
||
|
|
#include "webrtc/base/task.h"
|
||
|
|
#include "webrtc/base/taskrunner.h"
|
||
|
|
|
||
|
|
namespace rtc {
|
||
|
|
|
||
|
|
TaskParent::TaskParent(Task* derived_instance, TaskParent *parent)
|
||
|
|
: parent_(parent) {
|
||
|
|
ASSERT(derived_instance != NULL);
|
||
|
|
ASSERT(parent != NULL);
|
||
|
|
runner_ = parent->GetRunner();
|
||
|
|
parent_->AddChild(derived_instance);
|
||
|
|
Initialize();
|
||
|
|
}
|
||
|
|
|
||
|
|
TaskParent::TaskParent(TaskRunner *derived_instance)
|
||
|
|
: parent_(NULL),
|
||
|
|
runner_(derived_instance) {
|
||
|
|
ASSERT(derived_instance != NULL);
|
||
|
|
Initialize();
|
||
|
|
}
|
||
|
|
|
||
|
|
TaskParent::~TaskParent() = default;
|
||
|
|
|
||
|
|
// Does common initialization of member variables
|
||
|
|
void TaskParent::Initialize() {
|
||
|
|
children_.reset(new ChildSet());
|
||
|
|
child_error_ = false;
|
||
|
|
}
|
||
|
|
|
||
|
|
void TaskParent::AddChild(Task *child) {
|
||
|
|
children_->insert(child);
|
||
|
|
}
|
||
|
|
|
||
|
|
#if !defined(NDEBUG)
|
||
|
|
bool TaskParent::IsChildTask(Task *task) {
|
||
|
|
ASSERT(task != NULL);
|
||
|
|
return task->parent_ == this && children_->find(task) != children_->end();
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
bool TaskParent::AllChildrenDone() {
|
||
|
|
for (ChildSet::iterator it = children_->begin();
|
||
|
|
it != children_->end();
|
||
|
|
++it) {
|
||
|
|
if (!(*it)->IsDone())
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
bool TaskParent::AnyChildError() {
|
||
|
|
return child_error_;
|
||
|
|
}
|
||
|
|
|
||
|
|
void TaskParent::AbortAllChildren() {
|
||
|
|
if (children_->size() > 0) {
|
||
|
|
#if !defined(NDEBUG)
|
||
|
|
runner_->IncrementAbortCount();
|
||
|
|
#endif
|
||
|
|
|
||
|
|
ChildSet copy = *children_;
|
||
|
|
for (ChildSet::iterator it = copy.begin(); it != copy.end(); ++it) {
|
||
|
|
(*it)->Abort(true); // Note we do not wake
|
||
|
|
}
|
||
|
|
|
||
|
|
#if !defined(NDEBUG)
|
||
|
|
runner_->DecrementAbortCount();
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void TaskParent::OnStopped(Task *task) {
|
||
|
|
AbortAllChildren();
|
||
|
|
parent_->OnChildStopped(task);
|
||
|
|
}
|
||
|
|
|
||
|
|
void TaskParent::OnChildStopped(Task *child) {
|
||
|
|
if (child->HasError())
|
||
|
|
child_error_ = true;
|
||
|
|
children_->erase(child);
|
||
|
|
}
|
||
|
|
|
||
|
|
} // namespace rtc
|