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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 CONTENT_COMMON_ZYGOTE_COMMANDS_LINUX_H_ | 5 #ifndef CONTENT_COMMON_ZYGOTE_COMMANDS_LINUX_H_ |
6 #define CONTENT_COMMON_ZYGOTE_COMMANDS_LINUX_H_ | 6 #define CONTENT_COMMON_ZYGOTE_COMMANDS_LINUX_H_ |
7 | 7 |
8 namespace content { | 8 namespace content { |
9 | 9 |
10 // Contents of the initial message sent from the zygote to the browser when it | 10 // Contents of the initial message sent from the zygote to the browser when it |
11 // is ready to go. | 11 // is ready to go. |
12 static const char kZygoteHelloMessage[] = "ZYGOTE_OK"; | 12 static const char kZygoteHelloMessage[] = "ZYGOTE_OK"; |
13 | 13 |
14 // File descriptors initialized by the Zygote Host | 14 // File descriptors initialized by the Zygote Host |
15 const int kZygoteSocketPairFd = 3; | 15 const int kZygoteSocketPairFd = 3; |
16 const int kZygoteRendererSocketFd = 5; | 16 const int kZygoteRendererSocketFd = 5; |
17 // This file descriptor is special. It is passed to the Zygote and a setuid | 17 // This file descriptor is special. It is passed to the Zygote and a setuid |
18 // helper will be called to locate the process of the Zygote on the system. | 18 // helper will be called to locate the process of the Zygote on the system. |
19 // This mechanism is used when multiple PID namespaces exist because of the | 19 // This mechanism is used when multiple PID namespaces exist because of the |
20 // setuid sandbox. | 20 // setuid sandbox. |
21 // It is very important that this file descriptor does not exist in multiple | 21 // It is very important that this file descriptor does not exist in multiple |
22 // processes. | 22 // processes. |
23 // This number must be kept in sync in sandbox/linux/suid/sandbox.c | |
Jorge Lucangeli Obes
2012/06/01 15:08:07
"in" -> "with"
| |
23 const int kZygoteIdFd = 7; | 24 const int kZygoteIdFd = 7; |
24 | 25 |
25 // These are the command codes used on the wire between the browser and the | 26 // These are the command codes used on the wire between the browser and the |
26 // zygote. | 27 // zygote. |
27 enum { | 28 enum { |
28 // Fork off a new renderer. | 29 // Fork off a new renderer. |
29 kZygoteCommandFork = 0, | 30 kZygoteCommandFork = 0, |
30 | 31 |
31 // Reap a renderer child. | 32 // Reap a renderer child. |
32 kZygoteCommandReap = 1, | 33 kZygoteCommandReap = 1, |
33 | 34 |
34 // Check what happend to a child process. | 35 // Check what happend to a child process. |
35 kZygoteCommandGetTerminationStatus = 2, | 36 kZygoteCommandGetTerminationStatus = 2, |
36 | 37 |
37 // Read a bitmask of kSandboxLinux* | 38 // Read a bitmask of kSandboxLinux* |
38 kZygoteCommandGetSandboxStatus = 3 | 39 kZygoteCommandGetSandboxStatus = 3 |
39 }; | 40 }; |
40 | 41 |
41 } // namespace content | 42 } // namespace content |
42 | 43 |
43 #endif // CONTENT_COMMON_ZYGOTE_COMMANDS_LINUX_H_ | 44 #endif // CONTENT_COMMON_ZYGOTE_COMMANDS_LINUX_H_ |
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