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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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| 471 | 471 |
| 472 ProcessHandle process_; | 472 ProcessHandle process_; |
| 473 | 473 |
| 474 int processor_count_; | 474 int processor_count_; |
| 475 | 475 |
| 476 // Used to store the previous times and CPU usage counts so we can | 476 // Used to store the previous times and CPU usage counts so we can |
| 477 // compute the CPU usage between calls. | 477 // compute the CPU usage between calls. |
| 478 int64 last_time_; | 478 int64 last_time_; |
| 479 int64 last_system_time_; | 479 int64 last_system_time_; |
| 480 | 480 |
| 481 #if defined(OS_LINUX) | |
| 482 // Jiffie count at the last_time_ we updated. | |
| 483 int last_cpu_; | |
| 484 #endif | |
| 485 | |
| 486 #if defined(OS_MACOSX) | 481 #if defined(OS_MACOSX) |
| 487 // Queries the port provider if it's set. | 482 // Queries the port provider if it's set. |
| 488 mach_port_t TaskForPid(ProcessHandle process) const; | 483 mach_port_t TaskForPid(ProcessHandle process) const; |
| 489 | 484 |
| 490 PortProvider* port_provider_; | 485 PortProvider* port_provider_; |
| 486 #elif defined(OS_POSIX) |
| 487 // Jiffie count at the last_time_ we updated. |
| 488 int last_cpu_; |
| 491 #endif | 489 #endif |
| 492 | 490 |
| 493 DISALLOW_EVIL_CONSTRUCTORS(ProcessMetrics); | 491 DISALLOW_EVIL_CONSTRUCTORS(ProcessMetrics); |
| 494 }; | 492 }; |
| 495 | 493 |
| 496 // Returns the memory commited by the system in KBytes. | 494 // Returns the memory commited by the system in KBytes. |
| 497 // Returns 0 if it can't compute the commit charge. | 495 // Returns 0 if it can't compute the commit charge. |
| 498 size_t GetSystemCommitCharge(); | 496 size_t GetSystemCommitCharge(); |
| 499 | 497 |
| 500 // Enables low fragmentation heap (LFH) for every heaps of this process. This | 498 // Enables low fragmentation heap (LFH) for every heaps of this process. This |
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| 533 // instance running inside the parent. The parent's Breakpad instance should | 531 // instance running inside the parent. The parent's Breakpad instance should |
| 534 // not handle the child's exceptions. Calling RestoreDefaultExceptionHandler | 532 // not handle the child's exceptions. Calling RestoreDefaultExceptionHandler |
| 535 // in the child after forking will restore the standard exception handler. | 533 // in the child after forking will restore the standard exception handler. |
| 536 // See http://crbug.com/20371/ for more details. | 534 // See http://crbug.com/20371/ for more details. |
| 537 void RestoreDefaultExceptionHandler(); | 535 void RestoreDefaultExceptionHandler(); |
| 538 #endif | 536 #endif |
| 539 | 537 |
| 540 } // namespace base | 538 } // namespace base |
| 541 | 539 |
| 542 #endif // BASE_PROCESS_UTIL_H_ | 540 #endif // BASE_PROCESS_UTIL_H_ |
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