mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
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127 lines
4.1 KiB
C++
127 lines
4.1 KiB
C++
/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla IPC.
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*
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* The Initial Developer of the Original Code is
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* Ben Turner <bent.mozilla@gmail.com>.
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* Portions created by the Initial Developer are Copyright (C) 2009
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "GeckoChildProcessHost.h"
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#include "base/command_line.h"
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#include "base/path_service.h"
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#include "base/string_util.h"
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#include "chrome/common/chrome_switches.h"
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using mozilla::ipc::GeckoChildProcessHost;
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GeckoChildProcessHost::GeckoChildProcessHost(GeckoChildProcessType aProcessType)
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: ChildProcessHost(RENDER_PROCESS), // FIXME/cjones: we should own this enum
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mProcessType(aProcessType)
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{
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}
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bool
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GeckoChildProcessHost::Launch(std::vector<std::wstring> aExtraOpts)
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{
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if (!CreateChannel()) {
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return false;
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}
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FilePath exePath =
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FilePath::FromWStringHack(CommandLine::ForCurrentProcess()->program());
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exePath = exePath.DirName();
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exePath = exePath.AppendASCII(MOZ_CHILD_PROCESS_NAME);
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// remap the IPC socket fd to a well-known int, as the OS does for
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// STDOUT_FILENO, for example
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#if defined(OS_POSIX)
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int srcChannelFd, dstChannelFd;
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channel().GetClientFileDescriptorMapping(&srcChannelFd, &dstChannelFd);
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mFileMap.push_back(std::pair<int,int>(srcChannelFd, dstChannelFd));
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#endif
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CommandLine cmdLine(exePath.ToWStringHack());
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cmdLine.AppendSwitchWithValue(switches::kProcessChannelID, channel_id());
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for (std::vector<std::wstring>::iterator it = aExtraOpts.begin();
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it != aExtraOpts.end();
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++it) {
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cmdLine.AppendLooseValue((*it).c_str());
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}
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cmdLine.AppendLooseValue(UTF8ToWide(XRE_ChildProcessTypeToString(mProcessType)));
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base::ProcessHandle process;
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#if defined(OS_WIN)
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base::LaunchApp(cmdLine, false, false, &process);
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#elif defined(OS_POSIX)
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base::LaunchApp(cmdLine.argv(), mFileMap, false, &process);
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#else
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#error Bad!
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#endif
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if (!process) {
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return false;
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}
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SetHandle(process);
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// FIXME/cjones: should have the option for sync/async launch.
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// however, since most clients already expect this launch to be
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// synchronous wrt the channel connecting, we'll hack a bit here.
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// (at least we're on the IO thread and not blocking main ...)
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MessageLoop* loop = MessageLoop::current();
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bool old_state = loop->NestableTasksAllowed();
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loop->SetNestableTasksAllowed(true);
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// spin the loop until OnChannelConnected() comes in, which will Quit() us
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loop->Run();
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loop->SetNestableTasksAllowed(old_state);
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return true;
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}
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void
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GeckoChildProcessHost::OnChannelConnected(int32 peer_pid)
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{
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MessageLoop::current()->Quit();
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}
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void
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GeckoChildProcessHost::OnMessageReceived(const IPC::Message& aMsg)
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{
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}
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void
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GeckoChildProcessHost::OnChannelError()
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{
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// XXXbent Notify that the child process is gone?
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}
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