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