1 // Copyright 2013 The Chromium Authors 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 8 namespace 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 19 enum 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 // https://chromium.googlesource.com/chromium/src/+/main/docs/linux/zygote.md 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