1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/ipc/glue/Transport_posix.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,72 @@
1.4 +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
1.5 + * vim: sw=2 ts=8 et :
1.6 + */
1.7 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.8 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.9 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.10 +
1.11 +#include <unistd.h>
1.12 +
1.13 +#include <string>
1.14 +
1.15 +#include "chrome/common/child_process_info.h"
1.16 +
1.17 +#include "mozilla/ipc/Transport.h"
1.18 +#include "mozilla/ipc/FileDescriptor.h"
1.19 +
1.20 +using namespace base;
1.21 +using namespace std;
1.22 +
1.23 +namespace mozilla {
1.24 +namespace ipc {
1.25 +
1.26 +bool
1.27 +CreateTransport(ProcessHandle /*unused*/, ProcessHandle /*unused*/,
1.28 + TransportDescriptor* aOne, TransportDescriptor* aTwo)
1.29 +{
1.30 + // Gecko doesn't care about this random ID, and the argument to this
1.31 + // function isn't really necessary, it can be just any random
1.32 + // pointer value
1.33 + wstring id = ChildProcessInfo::GenerateRandomChannelID(aOne);
1.34 + // Use MODE_SERVER to force creation of the socketpair
1.35 + Transport t(id, Transport::MODE_SERVER, nullptr);
1.36 + int fd1 = t.GetFileDescriptor();
1.37 + int fd2, dontcare;
1.38 + t.GetClientFileDescriptorMapping(&fd2, &dontcare);
1.39 + if (fd1 < 0 || fd2 < 0) {
1.40 + return false;
1.41 + }
1.42 +
1.43 + // The Transport closes these fds when it goes out of scope, so we
1.44 + // dup them here
1.45 + fd1 = dup(fd1);
1.46 + fd2 = dup(fd2);
1.47 + if (fd1 < 0 || fd2 < 0) {
1.48 + return false;
1.49 + }
1.50 +
1.51 + aOne->mFd = base::FileDescriptor(fd1, true/*close after sending*/);
1.52 + aTwo->mFd = base::FileDescriptor(fd2, true/*close after sending*/);
1.53 + return true;
1.54 +}
1.55 +
1.56 +Transport*
1.57 +OpenDescriptor(const TransportDescriptor& aTd, Transport::Mode aMode)
1.58 +{
1.59 + return new Transport(aTd.mFd.fd, aMode, nullptr);
1.60 +}
1.61 +
1.62 +Transport*
1.63 +OpenDescriptor(const FileDescriptor& aFd, Transport::Mode aMode)
1.64 +{
1.65 + return new Transport(aFd.PlatformHandle(), aMode, nullptr);
1.66 +}
1.67 +
1.68 +void
1.69 +CloseDescriptor(const TransportDescriptor& aTd)
1.70 +{
1.71 + close(aTd.mFd.fd);
1.72 +}
1.73 +
1.74 +} // namespace ipc
1.75 +} // namespace mozilla
