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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 // This file contains functions for launching subprocesses. | 5 // This file contains functions for launching subprocesses. |
| 6 | 6 |
| 7 #ifndef BASE_PROCESS_LAUNCH_H_ | 7 #ifndef BASE_PROCESS_LAUNCH_H_ |
| 8 #define BASE_PROCESS_LAUNCH_H_ | 8 #define BASE_PROCESS_LAUNCH_H_ |
| 9 | 9 |
| 10 #include <stddef.h> | 10 #include <stddef.h> |
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| 73 | 73 |
| 74 // If non-null, inherit exactly the list of handles in this vector (these | 74 // If non-null, inherit exactly the list of handles in this vector (these |
| 75 // handles must be inheritable). This is only supported on Vista and higher. | 75 // handles must be inheritable). This is only supported on Vista and higher. |
| 76 HandlesToInheritVector* handles_to_inherit; | 76 HandlesToInheritVector* handles_to_inherit; |
| 77 | 77 |
| 78 // If true, the new process inherits handles from the parent. In production | 78 // If true, the new process inherits handles from the parent. In production |
| 79 // code this flag should be used only when running short-lived, trusted | 79 // code this flag should be used only when running short-lived, trusted |
| 80 // binaries, because open handles from other libraries and subsystems will | 80 // binaries, because open handles from other libraries and subsystems will |
| 81 // leak to the child process, causing errors such as open socket hangs. | 81 // leak to the child process, causing errors such as open socket hangs. |
| 82 // Note: If |handles_to_inherit| is non-null, this flag is ignored and only | 82 // Note: If |handles_to_inherit| is non-null, this flag is ignored and only |
| 83 // those handles will be inherited (on Vista and higher). | 83 // those handles will be inherited. |
| 84 bool inherit_handles; | 84 bool inherit_handles; |
| 85 | 85 |
| 86 // If non-null, runs as if the user represented by the token had launched it. | 86 // If non-null, runs as if the user represented by the token had launched it. |
| 87 // Whether the application is visible on the interactive desktop depends on | 87 // Whether the application is visible on the interactive desktop depends on |
| 88 // the token belonging to an interactive logon session. | 88 // the token belonging to an interactive logon session. |
| 89 // | 89 // |
| 90 // To avoid hard to diagnose problems, when specified this loads the | 90 // To avoid hard to diagnose problems, when specified this loads the |
| 91 // environment variables associated with the user and if this operation fails | 91 // environment variables associated with the user and if this operation fails |
| 92 // the entire call fails as well. | 92 // the entire call fails as well. |
| 93 UserTokenHandle as_user; | 93 UserTokenHandle as_user; |
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| 305 // multiple threads are running, since at the time the fork happened, the | 305 // multiple threads are running, since at the time the fork happened, the |
| 306 // threads could have been in any state (potentially holding locks, etc.). | 306 // threads could have been in any state (potentially holding locks, etc.). |
| 307 // Callers should most likely call execve() in the child soon after calling | 307 // Callers should most likely call execve() in the child soon after calling |
| 308 // this. | 308 // this. |
| 309 BASE_EXPORT pid_t ForkWithFlags(unsigned long flags, pid_t* ptid, pid_t* ctid); | 309 BASE_EXPORT pid_t ForkWithFlags(unsigned long flags, pid_t* ptid, pid_t* ctid); |
| 310 #endif | 310 #endif |
| 311 | 311 |
| 312 } // namespace base | 312 } // namespace base |
| 313 | 313 |
| 314 #endif // BASE_PROCESS_LAUNCH_H_ | 314 #endif // BASE_PROCESS_LAUNCH_H_ |
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