bill fumerola
d139011517
add GenVectorWaitHandle, a WaitHandle suitable for use with the Vector collection.
64 linhas
2.4 KiB
C++
64 linhas
2.4 KiB
C++
/*
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+----------------------------------------------------------------------+
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| HipHop for PHP |
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+----------------------------------------------------------------------+
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| Copyright (c) 2010-2013 Facebook, Inc. (http://www.facebook.com) |
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+----------------------------------------------------------------------+
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| This source file is subject to version 3.01 of the PHP license, |
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| that is bundled with this package in the file LICENSE, and is |
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| available through the world-wide-web at the following url: |
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| http://www.php.net/license/3_01.txt |
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| If you did not receive a copy of the PHP license and are unable to |
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| obtain it through the world-wide-web, please send a note to |
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| license@php.net so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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*/
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#include "hphp/runtime/base/server/warmup_request_handler.h"
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#include "folly/Memory.h"
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using folly::make_unique;
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namespace HPHP {
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///////////////////////////////////////////////////////////////////////////////
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void WarmupRequestHandler::handleRequest(Transport *transport) {
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// There is one WarmupRequestHandler per-thread, but we want to track request
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// count across all threads. Therefore we let WarmupRequestHandlerFactory
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// track the global request count.
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m_factory->bumpReqCount();
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m_reqHandler.handleRequest(transport);
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}
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std::unique_ptr<RequestHandler> WarmupRequestHandlerFactory::createHandler() {
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return make_unique<WarmupRequestHandler>(shared_from_this());
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}
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void WarmupRequestHandlerFactory::bumpReqCount() {
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// Bump the request count. When we hit m_warmupReqThreshold,
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// add additional threads to the server.
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auto const oldReqNum = m_reqNumber.fetch_add(1, std::memory_order_relaxed);
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if (oldReqNum != m_warmupReqThreshold) {
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return;
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}
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auto const num = m_additionalThreads.load();
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if (!num) {
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return;
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}
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ServerPtr server = m_server.lock();
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if (!server) {
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return;
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}
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Logger::Info("Finished warmup; adding %d new worker threads", num);
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server->addWorkers(num);
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// Set to zero so we can't do it if the req counter wraps.
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m_additionalThreads.store(0);
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}
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///////////////////////////////////////////////////////////////////////////////
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}
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