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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 COMPONENTS_NACL_ZYGOTE_NACL_FORK_DELEGATE_LINUX_H_ | 5 #ifndef COMPONENTS_NACL_ZYGOTE_NACL_FORK_DELEGATE_LINUX_H_ |
| 6 #define COMPONENTS_NACL_ZYGOTE_NACL_FORK_DELEGATE_LINUX_H_ | 6 #define COMPONENTS_NACL_ZYGOTE_NACL_FORK_DELEGATE_LINUX_H_ |
| 7 | 7 |
| 8 #include <string> | 8 #include <string> |
| 9 #include <vector> | 9 #include <vector> |
| 10 | 10 |
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| 29 // The NaClForkDelegate is created during Chrome linux zygote | 29 // The NaClForkDelegate is created during Chrome linux zygote |
| 30 // initialization, and provides "fork()" functionality with | 30 // initialization, and provides "fork()" functionality with |
| 31 // NaCl specific process characteristics (specifically address | 31 // NaCl specific process characteristics (specifically address |
| 32 // space layout) as an alternative to forking the zygote. | 32 // space layout) as an alternative to forking the zygote. |
| 33 // A new delegate is passed in as an argument to ZygoteMain(). | 33 // A new delegate is passed in as an argument to ZygoteMain(). |
| 34 class NaClForkDelegate : public content::ZygoteForkDelegate { | 34 class NaClForkDelegate : public content::ZygoteForkDelegate { |
| 35 public: | 35 public: |
| 36 explicit NaClForkDelegate(bool nonsfi_mode); | 36 explicit NaClForkDelegate(bool nonsfi_mode); |
| 37 virtual ~NaClForkDelegate(); | 37 virtual ~NaClForkDelegate(); |
| 38 | 38 |
| 39 virtual void Init(int sandboxdesc, bool enable_layer1_sandbox) OVERRIDE; | 39 virtual void Init(int sandboxdesc, bool enable_layer1_sandbox) override; |
| 40 virtual void InitialUMA(std::string* uma_name, | 40 virtual void InitialUMA(std::string* uma_name, |
| 41 int* uma_sample, | 41 int* uma_sample, |
| 42 int* uma_boundary_value) OVERRIDE; | 42 int* uma_boundary_value) override; |
| 43 virtual bool CanHelp(const std::string& process_type, std::string* uma_name, | 43 virtual bool CanHelp(const std::string& process_type, std::string* uma_name, |
| 44 int* uma_sample, int* uma_boundary_value) OVERRIDE; | 44 int* uma_sample, int* uma_boundary_value) override; |
| 45 virtual pid_t Fork(const std::string& process_type, | 45 virtual pid_t Fork(const std::string& process_type, |
| 46 const std::vector<int>& fds, | 46 const std::vector<int>& fds, |
| 47 const std::string& channel_id) OVERRIDE; | 47 const std::string& channel_id) override; |
| 48 virtual bool GetTerminationStatus(pid_t pid, bool known_dead, | 48 virtual bool GetTerminationStatus(pid_t pid, bool known_dead, |
| 49 base::TerminationStatus* status, | 49 base::TerminationStatus* status, |
| 50 int* exit_code) OVERRIDE; | 50 int* exit_code) override; |
| 51 | 51 |
| 52 private: | 52 private: |
| 53 static void AddPassthroughEnvToOptions(base::LaunchOptions* options); | 53 static void AddPassthroughEnvToOptions(base::LaunchOptions* options); |
| 54 | 54 |
| 55 // These values are reported via UMA and hence they become permanent | 55 // These values are reported via UMA and hence they become permanent |
| 56 // constants. Old values cannot be reused, only new ones added. | 56 // constants. Old values cannot be reused, only new ones added. |
| 57 enum NaClHelperStatus { | 57 enum NaClHelperStatus { |
| 58 kNaClHelperUnused = 0, | 58 kNaClHelperUnused = 0, |
| 59 kNaClHelperMissing = 1, | 59 kNaClHelperMissing = 1, |
| 60 kNaClHelperBootstrapMissing = 2, | 60 kNaClHelperBootstrapMissing = 2, |
| 61 kNaClHelperValgrind = 3, | 61 kNaClHelperValgrind = 3, |
| 62 kNaClHelperLaunchFailed = 4, | 62 kNaClHelperLaunchFailed = 4, |
| 63 kNaClHelperAckFailed = 5, | 63 kNaClHelperAckFailed = 5, |
| 64 kNaClHelperSuccess = 6, | 64 kNaClHelperSuccess = 6, |
| 65 kNaClHelperStatusBoundary // Must be one greater than highest value used. | 65 kNaClHelperStatusBoundary // Must be one greater than highest value used. |
| 66 }; | 66 }; |
| 67 | 67 |
| 68 const bool nonsfi_mode_; | 68 const bool nonsfi_mode_; |
| 69 NaClHelperStatus status_; | 69 NaClHelperStatus status_; |
| 70 int fd_; | 70 int fd_; |
| 71 | 71 |
| 72 FRIEND_TEST_ALL_PREFIXES(NaClForkDelegateLinuxTest, EnvPassthrough); | 72 FRIEND_TEST_ALL_PREFIXES(NaClForkDelegateLinuxTest, EnvPassthrough); |
| 73 | 73 |
| 74 DISALLOW_COPY_AND_ASSIGN(NaClForkDelegate); | 74 DISALLOW_COPY_AND_ASSIGN(NaClForkDelegate); |
| 75 }; | 75 }; |
| 76 | 76 |
| 77 } // namespace nacl | 77 } // namespace nacl |
| 78 | 78 |
| 79 #endif // COMPONENTS_NACL_ZYGOTE_NACL_FORK_DELEGATE_LINUX_H_ | 79 #endif // COMPONENTS_NACL_ZYGOTE_NACL_FORK_DELEGATE_LINUX_H_ |
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