mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
102 lines
3.5 KiB
C++
102 lines
3.5 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
|
|
* vim: sw=2 ts=8 et :
|
|
*/
|
|
/* ***** BEGIN LICENSE BLOCK *****
|
|
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
|
|
*
|
|
* The contents of this file are subject to the Mozilla Public License Version
|
|
* 1.1 (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.mozilla.org/MPL/
|
|
*
|
|
* Software distributed under the License is distributed on an "AS IS" basis,
|
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
|
|
* for the specific language governing rights and limitations under the
|
|
* License.
|
|
*
|
|
* The Original Code is Mozilla Code.
|
|
*
|
|
* The Initial Developer of the Original Code is
|
|
* The Mozilla Foundation
|
|
* Portions created by the Initial Developer are Copyright (C) 2010
|
|
* the Initial Developer. All Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
* Chris Jones <jones.chris.g@gmail.com>
|
|
*
|
|
* Alternatively, the contents of this file may be used under the terms of
|
|
* either the GNU General Public License Version 2 or later (the "GPL"), or
|
|
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
|
|
* in which case the provisions of the GPL or the LGPL are applicable instead
|
|
* of those above. If you wish to allow use of your version of this file only
|
|
* under the terms of either the GPL or the LGPL, and not to allow others to
|
|
* use your version of this file under the terms of the MPL, indicate your
|
|
* decision by deleting the provisions above and replace them with the notice
|
|
* and other provisions required by the GPL or the LGPL. If you do not delete
|
|
* the provisions above, a recipient may use your version of this file under
|
|
* the terms of any one of the MPL, the GPL or the LGPL.
|
|
*
|
|
* ***** END LICENSE BLOCK ***** */
|
|
|
|
#include "base/message_loop.h"
|
|
#include "chrome/common/child_process_info.h"
|
|
|
|
#include "mozilla/ipc/Transport.h"
|
|
|
|
using namespace base;
|
|
using namespace std;
|
|
|
|
namespace mozilla {
|
|
namespace ipc {
|
|
|
|
bool
|
|
CreateTransport(ProcessHandle aProcOne, ProcessHandle /*unused*/,
|
|
TransportDescriptor* aOne, TransportDescriptor* aTwo)
|
|
{
|
|
// This id is used to name the IPC pipe. The pointer passed to this
|
|
// function isn't significant.
|
|
wstring id = ChildProcessInfo::GenerateRandomChannelID(aOne);
|
|
// Use MODE_SERVER to force creation of the pipe
|
|
Transport t(id, Transport::MODE_SERVER, nsnull);
|
|
HANDLE serverPipe = t.GetServerPipeHandle();
|
|
if (!serverPipe) {
|
|
return false;
|
|
}
|
|
|
|
// NB: we create the server pipe immediately, instead of just
|
|
// grabbing an ID, on purpose. In the current setup, the client
|
|
// needs to connect to an existing server pipe, so to prevent race
|
|
// conditions, we create the server side here and then dup it to the
|
|
// eventual server process.
|
|
HANDLE serverDup;
|
|
DWORD access = 0;
|
|
DWORD options = DUPLICATE_SAME_ACCESS;
|
|
if (!DuplicateHandle(GetCurrentProcess(), serverPipe, aProcOne,
|
|
&serverDup,
|
|
access,
|
|
FALSE/*not inheritable*/,
|
|
options)) {
|
|
return false;
|
|
}
|
|
|
|
aOne->mPipeName = aTwo->mPipeName = id;
|
|
aOne->mServerPipe = serverDup;
|
|
aTwo->mServerPipe = 0;
|
|
return true;
|
|
}
|
|
|
|
Transport*
|
|
OpenDescriptor(const TransportDescriptor& aTd, Transport::Mode aMode)
|
|
{
|
|
return new Transport(aTd.mPipeName, aTd.mServerPipe, aMode, nsnull);
|
|
}
|
|
|
|
void
|
|
CloseDescriptor(const TransportDescriptor& aTd)
|
|
{
|
|
CloseHandle(aTd.mServerPipe);
|
|
}
|
|
|
|
} // namespace ipc
|
|
} // namespace mozilla
|