1// Copyright 2013 The Chromium Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4 5#ifndef COMPONENTS_NACL_LOADER_NACL_HELPER_LINUX_H_ 6#define COMPONENTS_NACL_LOADER_NACL_HELPER_LINUX_H_ 7 8namespace nacl { 9 10// A mini-zygote specifically for Native Client. This file defines 11// constants used to implement communication between the nacl_helper 12// process and the Chrome zygote. 13 14#define kNaClMaxIPCMessageLength 2048 15 16// Used by Helper to tell Zygote it has started successfully. 17#define kNaClHelperStartupAck "NACLHELPER_OK" 18 19enum NaClZygoteIPCCommand { 20 kNaClForkRequest, 21 kNaClGetTerminationStatusRequest, 22}; 23 24// The next set of constants define global Linux file descriptors. 25// For communications between NaCl loader and browser. 26// See also content/common/zygote_main_linux.cc and 27// http://code.google.com/p/chromium/wiki/LinuxZygote 28 29// For communications between NaCl loader and zygote. 30#define kNaClZygoteDescriptor 3 31 32} // namespace nacl 33 34#endif // COMPONENTS_NACL_LOADER_NACL_HELPER_LINUX_H_ 35