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/*
* Copyright (C) 2018 Igalia S.L.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "WebProcessProxy.h"
#include "UserMessage.h"
#include "WebProcessPool.h"
#include "WebsiteDataStore.h"
#include <signal.h>
#include <sys/types.h>
#include <wtf/FileSystem.h>
namespace WebKit {
using namespace WebCore;
void WebProcessProxy::platformGetLaunchOptions(ProcessLauncher::LaunchOptions& launchOptions)
{
launchOptions.extraInitializationData.set("enable-sandbox"_s, m_processPool->sandboxEnabled() ? "true"_s : "false"_s);
if (m_processPool->sandboxEnabled()) {
WebsiteDataStore* dataStore = websiteDataStore();
if (!dataStore) {
// Prewarmed processes don't have a WebsiteDataStore yet, so use the primary WebsiteDataStore from the WebProcessPool.
// The process won't be used if current WebsiteDataStore is different than the WebProcessPool primary one.
dataStore = WebsiteDataStore::defaultDataStore().ptr();
}
ASSERT(dataStore);
dataStore->resolveDirectoriesIfNecessary();
launchOptions.extraInitializationData.set("mediaKeysDirectory"_s, dataStore->resolvedMediaKeysDirectory());
launchOptions.extraInitializationData.set("applicationCacheDirectory"_s, dataStore->resolvedApplicationCacheDirectory());
launchOptions.extraSandboxPaths = m_processPool->sandboxPaths();
}
}
void WebProcessProxy::sendMessageToWebContextWithReply(UserMessage&& message, CompletionHandler<void(UserMessage&&)>&& completionHandler)
{
if (const auto& userMessageHandler = m_processPool->userMessageHandler())
userMessageHandler(WTFMove(message), WTFMove(completionHandler));
}
void WebProcessProxy::sendMessageToWebContext(UserMessage&& message)
{
sendMessageToWebContextWithReply(WTFMove(message), [](UserMessage&&) { });
}
void WebProcessProxy::platformSuspendProcess()
{
auto id = processID();
if (!id)
return;
RELEASE_LOG(Process, "%p - [PID=%i] WebProcessProxy::platformSuspendProcess", this, id);
kill(id, SIGSTOP);
}
void WebProcessProxy::platformResumeProcess()
{
auto id = processID();
if (!id)
return;
RELEASE_LOG(Process, "%p - [PID=%i] WebProcessProxy::platformResumeProcess", this, id);
kill(id, SIGCONT);
}
} // namespace WebKit
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