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1 // Copyright (c) 2009 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2009 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 CHROME_BROWSER_ZYGOTE_HOST_LINUX_H_ | 5 #ifndef CHROME_BROWSER_ZYGOTE_HOST_LINUX_H_ |
6 #define CHROME_BROWSER_ZYGOTE_HOST_LINUX_H_ | 6 #define CHROME_BROWSER_ZYGOTE_HOST_LINUX_H_ |
7 | 7 |
| 8 #include <unistd.h> |
| 9 |
8 #include <string> | 10 #include <string> |
9 #include <vector> | 11 #include <vector> |
10 | 12 |
11 #include <unistd.h> | |
12 | |
13 #include "base/global_descriptors_posix.h" | 13 #include "base/global_descriptors_posix.h" |
14 #include "base/process.h" | 14 #include "base/process.h" |
15 | 15 |
16 template<typename Type> | 16 template<typename Type> |
17 struct DefaultSingletonTraits; | 17 struct DefaultSingletonTraits; |
18 | 18 |
| 19 static const char kZygoteMagic[] = "ZYGOTE_OK"; |
| 20 |
19 // http://code.google.com/p/chromium/wiki/LinuxZygote | 21 // http://code.google.com/p/chromium/wiki/LinuxZygote |
20 | 22 |
21 // The zygote host is the interface, in the browser process, to the zygote | 23 // The zygote host is the interface, in the browser process, to the zygote |
22 // process. | 24 // process. |
23 class ZygoteHost { | 25 class ZygoteHost { |
24 public: | 26 public: |
25 ~ZygoteHost(); | 27 void Init(const std::string& sandbox_cmd); |
26 | 28 |
27 pid_t ForkRenderer(const std::vector<std::string>& command_line, | 29 pid_t ForkRenderer(const std::vector<std::string>& command_line, |
28 const base::GlobalDescriptors::Mapping& mapping); | 30 const base::GlobalDescriptors::Mapping& mapping); |
29 void EnsureProcessTerminated(pid_t process); | 31 void EnsureProcessTerminated(pid_t process); |
30 | 32 |
31 // Get the termination status (exit code) of the process and return true if | 33 // Get the termination status (exit code) of the process and return true if |
32 // the status indicates the process crashed. |child_exited| is set to true | 34 // the status indicates the process crashed. |child_exited| is set to true |
33 // iff the child process has terminated. (|child_exited| may be NULL.) | 35 // iff the child process has terminated. (|child_exited| may be NULL.) |
34 bool DidProcessCrash(base::ProcessHandle handle, bool* child_exited); | 36 bool DidProcessCrash(base::ProcessHandle handle, bool* child_exited); |
35 | 37 |
36 // These are the command codes used on the wire between the browser and the | 38 // These are the command codes used on the wire between the browser and the |
37 // zygote. | 39 // zygote. |
38 enum { | 40 enum { |
39 kCmdFork = 0, // Fork off a new renderer. | 41 kCmdFork = 0, // Fork off a new renderer. |
40 kCmdReap = 1, // Reap a renderer child. | 42 kCmdReap = 1, // Reap a renderer child. |
41 kCmdDidProcessCrash = 2, // Check if child process crashed. | 43 kCmdDidProcessCrash = 2, // Check if child process crashed. |
42 }; | 44 }; |
43 | 45 |
44 pid_t pid() const { return pid_; } | 46 pid_t pid() const { return pid_; } |
45 | 47 |
46 private: | 48 private: |
47 friend struct DefaultSingletonTraits<ZygoteHost>; | 49 friend struct DefaultSingletonTraits<ZygoteHost>; |
48 ZygoteHost(); | 50 ZygoteHost(); |
49 void LaunchZygoteProcess(); | 51 ~ZygoteHost(); |
50 | 52 |
51 int control_fd_; // the socket to the zygote | 53 int control_fd_; // the socket to the zygote |
52 pid_t pid_; | 54 pid_t pid_; |
| 55 bool init_; |
53 }; | 56 }; |
54 | 57 |
55 #endif // CHROME_BROWSER_ZYGOTE_HOST_LINUX_H_ | 58 #endif // CHROME_BROWSER_ZYGOTE_HOST_LINUX_H_ |
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