15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved.
25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be
35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file.
45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/common/child_process_sandbox_support_impl_linux.h"
65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/pickle.h"
82a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "base/posix/unix_domain_socket_linux.h"
95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/common/sandbox_linux.h"
105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace content {
125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int MakeSharedMemorySegmentViaIPC(size_t length, bool executable) {
145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  Pickle request;
155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  request.WriteInt(LinuxSandbox::METHOD_MAKE_SHARED_MEMORY_SEGMENT);
165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  request.WriteUInt32(length);
175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  request.WriteBool(executable);
185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  uint8_t reply_buf[10];
195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  int result_fd;
205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  ssize_t result = UnixDomainSocket::SendRecvMsg(GetSandboxFD(),
215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)                                                 reply_buf, sizeof(reply_buf),
225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)                                                 &result_fd, request);
235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  if (result == -1)
245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)    return -1;
255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  return result_fd;
265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}
275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}  // namespace content
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