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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> | 8 #include <unistd.h> |
9 | 9 |
10 #include <string> | 10 #include <string> |
11 #include <vector> | 11 #include <vector> |
12 | 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"; | 19 static const char kZygoteMagic[] = "ZYGOTE_OK"; |
20 | 20 |
21 // http://code.google.com/p/chromium/wiki/LinuxZygote | 21 // http://code.google.com/p/chromium/wiki/LinuxZygote |
22 | 22 |
23 // 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 |
24 // process. | 24 // process. |
25 class ZygoteHost { | 25 class ZygoteHost { |
26 public: | 26 public: |
27 void Init(const std::string& sandbox_cmd); | 27 void Init(const std::string& sandbox_cmd); |
28 | 28 |
| 29 // Tries to start a renderer process. Returns its pid on success, otherwise |
| 30 // base::kNullProcessHandle; |
29 pid_t ForkRenderer(const std::vector<std::string>& command_line, | 31 pid_t ForkRenderer(const std::vector<std::string>& command_line, |
30 const base::GlobalDescriptors::Mapping& mapping); | 32 const base::GlobalDescriptors::Mapping& mapping); |
31 void EnsureProcessTerminated(pid_t process); | 33 void EnsureProcessTerminated(pid_t process); |
32 | 34 |
33 // Get the termination status (exit code) of the process and return true if | 35 // Get the termination status (exit code) of the process and return true if |
34 // the status indicates the process crashed. |child_exited| is set to true | 36 // the status indicates the process crashed. |child_exited| is set to true |
35 // iff the child process has terminated. (|child_exited| may be NULL.) | 37 // iff the child process has terminated. (|child_exited| may be NULL.) |
36 bool DidProcessCrash(base::ProcessHandle handle, bool* child_exited); | 38 bool DidProcessCrash(base::ProcessHandle handle, bool* child_exited); |
37 | 39 |
38 // These are the command codes used on the wire between the browser and the | 40 // These are the command codes used on the wire between the browser and the |
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49 friend struct DefaultSingletonTraits<ZygoteHost>; | 51 friend struct DefaultSingletonTraits<ZygoteHost>; |
50 ZygoteHost(); | 52 ZygoteHost(); |
51 ~ZygoteHost(); | 53 ~ZygoteHost(); |
52 | 54 |
53 int control_fd_; // the socket to the zygote | 55 int control_fd_; // the socket to the zygote |
54 pid_t pid_; | 56 pid_t pid_; |
55 bool init_; | 57 bool init_; |
56 }; | 58 }; |
57 | 59 |
58 #endif // CHROME_BROWSER_ZYGOTE_HOST_LINUX_H_ | 60 #endif // CHROME_BROWSER_ZYGOTE_HOST_LINUX_H_ |
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