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content / common / zygote / sandbox_support_linux.cc [blame]
// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/public/common/zygote/sandbox_support_linux.h"
#include "base/pickle.h"
#include "base/posix/global_descriptors.h"
#include "base/posix/unix_domain_socket.h"
#include "content/public/common/content_descriptors.h"
#include "sandbox/policy/linux/sandbox_linux.h"
namespace content {
int SharedMemoryIPCSupport::MakeSharedMemorySegment(size_t length,
bool executable) {
base::Pickle request;
request.WriteInt(
sandbox::policy::SandboxLinux::METHOD_MAKE_SHARED_MEMORY_SEGMENT);
request.WriteUInt32(length);
request.WriteBool(executable);
uint8_t reply_buf[10];
int result_fd;
ssize_t result = base::UnixDomainSocket::SendRecvMsg(
GetSandboxFD(), reply_buf, sizeof(reply_buf), &result_fd, request);
if (result == -1)
return -1;
return result_fd;
}
int GetSandboxFD() {
return kSandboxIPCChannel + base::GlobalDescriptors::kBaseDescriptor;
}
} // namespace content