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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 // This file/namespace contains utility functions for enumerating, ending and | 5 // This file/namespace contains utility functions for enumerating, ending and |
6 // computing statistics of processes. | 6 // computing statistics of processes. |
7 | 7 |
8 #ifndef BASE_PROCESS_UTIL_H_ | 8 #ifndef BASE_PROCESS_UTIL_H_ |
9 #define BASE_PROCESS_UTIL_H_ | 9 #define BASE_PROCESS_UTIL_H_ |
10 | 10 |
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413 int64 last_system_time_; | 413 int64 last_system_time_; |
414 | 414 |
415 #if defined(OS_LINUX) | 415 #if defined(OS_LINUX) |
416 // Jiffie count at the last_time_ we updated. | 416 // Jiffie count at the last_time_ we updated. |
417 int last_cpu_; | 417 int last_cpu_; |
418 #endif | 418 #endif |
419 | 419 |
420 DISALLOW_EVIL_CONSTRUCTORS(ProcessMetrics); | 420 DISALLOW_EVIL_CONSTRUCTORS(ProcessMetrics); |
421 }; | 421 }; |
422 | 422 |
| 423 // Returns the memory commited by the system in KBytes. |
| 424 // Returns 0 if it can't compute the commit charge. |
| 425 size_t GetSystemCommitCharge(); |
| 426 |
423 // Enables low fragmentation heap (LFH) for every heaps of this process. This | 427 // Enables low fragmentation heap (LFH) for every heaps of this process. This |
424 // won't have any effect on heaps created after this function call. It will not | 428 // won't have any effect on heaps created after this function call. It will not |
425 // modify data allocated in the heaps before calling this function. So it is | 429 // modify data allocated in the heaps before calling this function. So it is |
426 // better to call this function early in initialization and again before | 430 // better to call this function early in initialization and again before |
427 // entering the main loop. | 431 // entering the main loop. |
428 // Note: Returns true on Windows 2000 without doing anything. | 432 // Note: Returns true on Windows 2000 without doing anything. |
429 bool EnableLowFragmentationHeap(); | 433 bool EnableLowFragmentationHeap(); |
430 | 434 |
431 // Enables 'terminate on heap corruption' flag. Helps protect against heap | 435 // Enables 'terminate on heap corruption' flag. Helps protect against heap |
432 // overflow. Has no effect if the OS doesn't provide the necessary facility. | 436 // overflow. Has no effect if the OS doesn't provide the necessary facility. |
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450 // instance running inside the parent. The parent's Breakpad instance should | 454 // instance running inside the parent. The parent's Breakpad instance should |
451 // not handle the child's exceptions. Calling RestoreDefaultExceptionHandler | 455 // not handle the child's exceptions. Calling RestoreDefaultExceptionHandler |
452 // in the child after forking will restore the standard exception handler. | 456 // in the child after forking will restore the standard exception handler. |
453 // See http://crbug.com/20371/ for more details. | 457 // See http://crbug.com/20371/ for more details. |
454 void RestoreDefaultExceptionHandler(); | 458 void RestoreDefaultExceptionHandler(); |
455 #endif | 459 #endif |
456 | 460 |
457 } // namespace base | 461 } // namespace base |
458 | 462 |
459 #endif // BASE_PROCESS_UTIL_H_ | 463 #endif // BASE_PROCESS_UTIL_H_ |
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