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Side by Side Diff: base/process/process.h

Issue 2549363004: Multiprocess test client: Android child process launcher rework. (Closed)
Patch Set: content_unittests + sync Created 3 years, 11 months ago
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1 // Copyright 2011 The Chromium Authors. All rights reserved. 1 // Copyright 2011 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 BASE_PROCESS_PROCESS_H_ 5 #ifndef BASE_PROCESS_PROCESS_H_
6 #define BASE_PROCESS_PROCESS_H_ 6 #define BASE_PROCESS_PROCESS_H_
7 7
8 #include "base/base_export.h" 8 #include "base/base_export.h"
9 #include "base/macros.h" 9 #include "base/macros.h"
10 #include "base/process/process_handle.h" 10 #include "base/process/process_handle.h"
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101 // Returns true if the process terminates within the allowed time. 101 // Returns true if the process terminates within the allowed time.
102 // NOTE: On POSIX |exit_code| is ignored. 102 // NOTE: On POSIX |exit_code| is ignored.
103 bool Terminate(int exit_code, bool wait) const; 103 bool Terminate(int exit_code, bool wait) const;
104 104
105 // Waits for the process to exit. Returns true on success. 105 // Waits for the process to exit. Returns true on success.
106 // On POSIX, if the process has been signaled then |exit_code| is set to -1. 106 // On POSIX, if the process has been signaled then |exit_code| is set to -1.
107 // On Linux this must be a child process, however on Mac and Windows it can be 107 // On Linux this must be a child process, however on Mac and Windows it can be
108 // any process. 108 // any process.
109 // NOTE: |exit_code| is optional, nullptr can be passed if the exit code is 109 // NOTE: |exit_code| is optional, nullptr can be passed if the exit code is
110 // not required. 110 // not required.
111 bool WaitForExit(int* exit_code); 111 bool WaitForExit(int* exit_code) const;
112 112
113 // Same as WaitForExit() but only waits for up to |timeout|. 113 // Same as WaitForExit() but only waits for up to |timeout|.
114 // NOTE: |exit_code| is optional, nullptr can be passed if the exit code 114 // NOTE: |exit_code| is optional, nullptr can be passed if the exit code
115 // is not required. 115 // is not required.
116 bool WaitForExitWithTimeout(TimeDelta timeout, int* exit_code); 116 bool WaitForExitWithTimeout(TimeDelta timeout, int* exit_code) const;
117 117
118 #if defined(OS_MACOSX) 118 #if defined(OS_MACOSX)
119 // The Mac needs a Mach port in order to manipulate a process's priority, 119 // The Mac needs a Mach port in order to manipulate a process's priority,
120 // and there's no good way to get that from base given the pid. These Mac 120 // and there's no good way to get that from base given the pid. These Mac
121 // variants of the IsProcessBackgrounded and SetProcessBackgrounded API take 121 // variants of the IsProcessBackgrounded and SetProcessBackgrounded API take
122 // a port provider for this reason. See crbug.com/460102 122 // a port provider for this reason. See crbug.com/460102
123 // 123 //
124 // A process is backgrounded when its task priority is 124 // A process is backgrounded when its task priority is
125 // |TASK_BACKGROUND_APPLICATION|. 125 // |TASK_BACKGROUND_APPLICATION|.
126 // 126 //
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173 // Exposed for testing. 173 // Exposed for testing.
174 // Given the contents of the /proc/<pid>/cgroup file, determine whether the 174 // Given the contents of the /proc/<pid>/cgroup file, determine whether the
175 // process is backgrounded or not. 175 // process is backgrounded or not.
176 BASE_EXPORT bool IsProcessBackgroundedCGroup( 176 BASE_EXPORT bool IsProcessBackgroundedCGroup(
177 const StringPiece& cgroup_contents); 177 const StringPiece& cgroup_contents);
178 #endif // defined(OS_CHROMEOS) 178 #endif // defined(OS_CHROMEOS)
179 179
180 } // namespace base 180 } // namespace base
181 181
182 #endif // BASE_PROCESS_PROCESS_H_ 182 #endif // BASE_PROCESS_PROCESS_H_
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