cfd929dffd
This reverts commit 162305aaceca5f6cbaa03db1aa124f67e313612e. Adjusted tests to ensure they pass on cf_x86 Bug: 129250875 Test: this on cf_x86 & blueline Change-Id: Ic3245ec8db784ae356b7fa66dda9a2fc91c622ea
107 lines
2.9 KiB
C++
107 lines
2.9 KiB
C++
/*
|
|
* Copyright (C) 2019 The Android Open Source Project
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#include "CommonPool.h"
|
|
|
|
#include <sys/resource.h>
|
|
#include <utils/Trace.h>
|
|
#include "renderthread/RenderThread.h"
|
|
|
|
#include <array>
|
|
|
|
namespace android {
|
|
namespace uirenderer {
|
|
|
|
CommonPool::CommonPool() {
|
|
ATRACE_CALL();
|
|
|
|
CommonPool* pool = this;
|
|
// Create 2 workers
|
|
for (int i = 0; i < THREAD_COUNT; i++) {
|
|
std::thread worker([pool, i] {
|
|
{
|
|
std::array<char, 20> name{"hwuiTask"};
|
|
snprintf(name.data(), name.size(), "hwuiTask%d", i);
|
|
auto self = pthread_self();
|
|
pthread_setname_np(self, name.data());
|
|
setpriority(PRIO_PROCESS, 0, PRIORITY_FOREGROUND);
|
|
auto startHook = renderthread::RenderThread::getOnStartHook();
|
|
if (startHook) {
|
|
startHook(name.data());
|
|
}
|
|
}
|
|
pool->workerLoop();
|
|
});
|
|
worker.detach();
|
|
}
|
|
}
|
|
|
|
CommonPool& CommonPool::instance() {
|
|
static CommonPool pool;
|
|
return pool;
|
|
}
|
|
|
|
void CommonPool::post(Task&& task) {
|
|
instance().enqueue(std::move(task));
|
|
}
|
|
|
|
void CommonPool::enqueue(Task&& task) {
|
|
std::unique_lock lock(mLock);
|
|
while (!mWorkQueue.hasSpace()) {
|
|
lock.unlock();
|
|
usleep(100);
|
|
lock.lock();
|
|
}
|
|
mWorkQueue.push(std::move(task));
|
|
if (mWaitingThreads == THREAD_COUNT || (mWaitingThreads > 0 && mWorkQueue.size() > 1)) {
|
|
mCondition.notify_one();
|
|
}
|
|
}
|
|
|
|
void CommonPool::workerLoop() {
|
|
std::unique_lock lock(mLock);
|
|
while (true) {
|
|
if (!mWorkQueue.hasWork()) {
|
|
mWaitingThreads++;
|
|
mCondition.wait(lock);
|
|
mWaitingThreads--;
|
|
}
|
|
// Need to double-check that work is still available now that we have the lock
|
|
// It may have already been grabbed by a different thread
|
|
while (mWorkQueue.hasWork()) {
|
|
auto work = mWorkQueue.pop();
|
|
lock.unlock();
|
|
work();
|
|
lock.lock();
|
|
}
|
|
}
|
|
}
|
|
|
|
void CommonPool::waitForIdle() {
|
|
instance().doWaitForIdle();
|
|
}
|
|
|
|
void CommonPool::doWaitForIdle() {
|
|
std::unique_lock lock(mLock);
|
|
while (mWaitingThreads != THREAD_COUNT) {
|
|
lock.unlock();
|
|
usleep(100);
|
|
lock.lock();
|
|
}
|
|
}
|
|
|
|
} // namespace uirenderer
|
|
} // namespace android
|