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/* -*- 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 base;
using namespace std;
namespace mozilla {
namespace ipc {
bool
CreateTransport(ProcessHandle /*unused*/, ProcessHandle /*unused*/,
TransportDescriptor* aOne, TransportDescriptor* aTwo)
{
// Gecko doesn't care about this random ID, and the argument to this
// function isn't really necessary, it can be just any random
// pointer value
wstring id = ChildProcessInfo::GenerateRandomChannelID(aOne);
// 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 false;
}
// 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 false;
}
aOne->mFd = base::FileDescriptor(fd1, true/*close after sending*/);
aTwo->mFd = base::FileDescriptor(fd2, true/*close after sending*/);
return true;
}
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
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