ProcessLauncherWin.cpp [plain text]
#include "config.h"
#include "ProcessLauncher.h"
#include "Connection.h"
#include <WTF/RunLoop.h>
#include <shlwapi.h>
#include <wtf/text/StringBuilder.h>
namespace WebKit {
static LPCWSTR processName(ProcessLauncher::ProcessType processType)
{
switch (processType) {
case ProcessLauncher::ProcessType::Web:
return L"WebKitWebProcess.exe";
case ProcessLauncher::ProcessType::Network:
return L"WebKitNetworkProcess.exe";
#if ENABLE(GPU_PROCESS)
case ProcessLauncher::ProcessType::GPU:
return L"WebKitGPUProcess.exe";
#endif
}
return L"WebKitWebProcess.exe";
}
void ProcessLauncher::launchProcess()
{
HANDLE serverIdentifier, clientIdentifier;
if (!IPC::Connection::createServerAndClientIdentifiers(serverIdentifier, clientIdentifier)) {
ASSERT_NOT_REACHED();
}
::SetHandleInformation(clientIdentifier, HANDLE_FLAG_INHERIT, HANDLE_FLAG_INHERIT);
HMODULE webKitModule = ::GetModuleHandle(L"WebKit2.dll");
ASSERT(webKitModule);
if (!webKitModule)
return;
WCHAR pathStr[MAX_PATH];
if (!::GetModuleFileName(webKitModule, pathStr, WTF_ARRAY_LENGTH(pathStr)))
return;
::PathRemoveFileSpec(pathStr);
if (!::PathAppend(pathStr, processName(m_launchOptions.processType)))
return;
StringBuilder commandLineBuilder;
commandLineBuilder.append("\"");
commandLineBuilder.append(String(pathStr));
commandLineBuilder.append("\"");
commandLineBuilder.append(" -type ");
commandLineBuilder.append(String::number(static_cast<int>(m_launchOptions.processType)));
commandLineBuilder.append(" -processIdentifier ");
commandLineBuilder.append(String::number(m_launchOptions.processIdentifier.toUInt64()));
commandLineBuilder.append(" -clientIdentifier ");
commandLineBuilder.append(String::number(reinterpret_cast<uintptr_t>(clientIdentifier)));
if (m_client->shouldConfigureJSCForTesting())
commandLineBuilder.append(" -configure-jsc-for-testing");
if (!m_client->isJITEnabled())
commandLineBuilder.append(" -disable-jit");
commandLineBuilder.append('\0');
auto commandLine = commandLineBuilder.toString().wideCharacters();
STARTUPINFO startupInfo { };
startupInfo.cb = sizeof(startupInfo);
startupInfo.dwFlags = STARTF_USESHOWWINDOW;
startupInfo.wShowWindow = SW_HIDE;
PROCESS_INFORMATION processInformation { };
BOOL result = ::CreateProcess(0, commandLine.data(), 0, 0, true, 0, 0, 0, &startupInfo, &processInformation);
::CloseHandle(clientIdentifier);
if (!result) {
ASSERT_NOT_REACHED();
}
::CloseHandle(processInformation.hThread);
RefPtr<ProcessLauncher> protectedThis(this);
m_hProcess = processInformation.hProcess;
WTF::ProcessID pid = processInformation.dwProcessId;
RunLoop::main().dispatch([protectedThis, pid, serverIdentifier] {
protectedThis->didFinishLaunchingProcess(pid, serverIdentifier);
});
}
void ProcessLauncher::terminateProcess()
{
if (!m_hProcess.isValid())
return;
::TerminateProcess(m_hProcess.get(), 0);
}
void ProcessLauncher::platformInvalidate()
{
m_hProcess.clear();
}
}