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1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2006-2008 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_H_ | 5 #ifndef BASE_PROCESS_H_ |
6 #define BASE_PROCESS_H_ | 6 #define BASE_PROCESS_H_ |
7 | 7 |
8 #include "base/basictypes.h" | 8 #include "base/basictypes.h" |
9 | 9 |
| 10 #include <sys/types.h> |
10 #ifdef OS_WIN | 11 #ifdef OS_WIN |
11 #include <windows.h> | 12 #include <windows.h> |
12 #endif | 13 #endif |
13 | 14 |
14 namespace base { | 15 namespace base { |
15 | 16 |
16 // ProcessHandle is a platform specific type which represents the underlying OS | 17 // ProcessHandle is a platform specific type which represents the underlying OS |
17 // handle to a process. | 18 // handle to a process. |
| 19 // ProcessId is a number which identifies the process in the OS. |
18 #if defined(OS_WIN) | 20 #if defined(OS_WIN) |
19 typedef HANDLE ProcessHandle; | 21 typedef HANDLE ProcessHandle; |
| 22 typedef DWORD ProcessId; |
20 #elif defined(OS_POSIX) | 23 #elif defined(OS_POSIX) |
21 // On POSIX, our ProcessHandle will just be the PID. | 24 // On POSIX, our ProcessHandle will just be the PID. |
22 typedef int ProcessHandle; | 25 typedef pid_t ProcessHandle; |
| 26 typedef pid_t ProcessId; |
23 #endif | 27 #endif |
24 | 28 |
25 class Process { | 29 class Process { |
26 public: | 30 public: |
27 Process() : process_(0), last_working_set_size_(0) {} | 31 Process() : process_(0), last_working_set_size_(0) {} |
28 explicit Process(ProcessHandle handle) : | 32 explicit Process(ProcessHandle handle) : |
29 process_(handle), last_working_set_size_(0) {} | 33 process_(handle), last_working_set_size_(0) {} |
30 | 34 |
31 // A handle to the current process. | 35 // A handle to the current process. |
32 static Process Current(); | 36 static Process Current(); |
33 | 37 |
34 // Get/Set the handle for this process. The handle will be 0 if the process | 38 // Get/Set the handle for this process. The handle will be 0 if the process |
35 // is no longer running. | 39 // is no longer running. |
36 ProcessHandle handle() const { return process_; } | 40 ProcessHandle handle() const { return process_; } |
37 void set_handle(ProcessHandle handle) { process_ = handle; } | 41 void set_handle(ProcessHandle handle) { process_ = handle; } |
38 | 42 |
39 // Get the PID for this process. | 43 // Get the PID for this process. |
40 int32 pid() const; | 44 ProcessId pid() const; |
41 | 45 |
42 // Is the this process the current process. | 46 // Is the this process the current process. |
43 bool is_current() const; | 47 bool is_current() const; |
44 | 48 |
45 // Close the process handle. This will not terminate the process. | 49 // Close the process handle. This will not terminate the process. |
46 void Close(); | 50 void Close(); |
47 | 51 |
48 // Terminates the process with extreme prejudice. The given result code will | 52 // Terminates the process with extreme prejudice. The given result code will |
49 // be the exit code of the process. If the process has already exited, this | 53 // be the exit code of the process. If the process has already exited, this |
50 // will do nothing. | 54 // will do nothing. |
(...skipping 29 matching lines...) Expand all Loading... |
80 bool EmptyWorkingSet(); | 84 bool EmptyWorkingSet(); |
81 | 85 |
82 private: | 86 private: |
83 ProcessHandle process_; | 87 ProcessHandle process_; |
84 size_t last_working_set_size_; | 88 size_t last_working_set_size_; |
85 }; | 89 }; |
86 | 90 |
87 } // namespace base | 91 } // namespace base |
88 | 92 |
89 #endif // BASE_PROCESS_H_ | 93 #endif // BASE_PROCESS_H_ |
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