mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-28 07:13:20 +00:00
72 lines
1.8 KiB
C++
72 lines
1.8 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
|
|
* vim: sw=2 ts=8 et :
|
|
*/
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#include <unistd.h>
|
|
|
|
#include <string>
|
|
|
|
#include "chrome/common/child_process_info.h"
|
|
|
|
#include "mozilla/ipc/Transport.h"
|
|
#include "mozilla/ipc/FileDescriptor.h"
|
|
|
|
using namespace std;
|
|
|
|
using base::ProcessHandle;
|
|
|
|
namespace mozilla {
|
|
namespace ipc {
|
|
|
|
nsresult
|
|
CreateTransport(base::ProcessId aProcIdOne,
|
|
TransportDescriptor* aOne,
|
|
TransportDescriptor* aTwo)
|
|
{
|
|
wstring id = IPC::Channel::GenerateVerifiedChannelID(std::wstring());
|
|
// Use MODE_SERVER to force creation of the socketpair
|
|
Transport t(id, Transport::MODE_SERVER, nullptr);
|
|
int fd1 = t.GetFileDescriptor();
|
|
int fd2, dontcare;
|
|
t.GetClientFileDescriptorMapping(&fd2, &dontcare);
|
|
if (fd1 < 0 || fd2 < 0) {
|
|
return NS_ERROR_TRANSPORT_INIT;
|
|
}
|
|
|
|
// The Transport closes these fds when it goes out of scope, so we
|
|
// dup them here
|
|
fd1 = dup(fd1);
|
|
fd2 = dup(fd2);
|
|
if (fd1 < 0 || fd2 < 0) {
|
|
return NS_ERROR_DUPLICATE_HANDLE;
|
|
}
|
|
|
|
aOne->mFd = base::FileDescriptor(fd1, true/*close after sending*/);
|
|
aTwo->mFd = base::FileDescriptor(fd2, true/*close after sending*/);
|
|
return NS_OK;
|
|
}
|
|
|
|
Transport*
|
|
OpenDescriptor(const TransportDescriptor& aTd, Transport::Mode aMode)
|
|
{
|
|
return new Transport(aTd.mFd.fd, aMode, nullptr);
|
|
}
|
|
|
|
Transport*
|
|
OpenDescriptor(const FileDescriptor& aFd, Transport::Mode aMode)
|
|
{
|
|
return new Transport(aFd.PlatformHandle(), aMode, nullptr);
|
|
}
|
|
|
|
void
|
|
CloseDescriptor(const TransportDescriptor& aTd)
|
|
{
|
|
close(aTd.mFd.fd);
|
|
}
|
|
|
|
} // namespace ipc
|
|
} // namespace mozilla
|