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| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 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 // 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 #pragma once | 10 #pragma once |
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| 26 #include <dirent.h> | 26 #include <dirent.h> |
| 27 #include <limits.h> | 27 #include <limits.h> |
| 28 #include <sys/types.h> | 28 #include <sys/types.h> |
| 29 #endif | 29 #endif |
| 30 | 30 |
| 31 #include <list> | 31 #include <list> |
| 32 #include <string> | 32 #include <string> |
| 33 #include <utility> | 33 #include <utility> |
| 34 #include <vector> | 34 #include <vector> |
| 35 | 35 |
| 36 #include "base/base_api.h" |
| 36 #include "base/file_descriptor_shuffle.h" | 37 #include "base/file_descriptor_shuffle.h" |
| 37 #include "base/file_path.h" | 38 #include "base/file_path.h" |
| 38 #include "base/process.h" | 39 #include "base/process.h" |
| 39 | 40 |
| 40 class CommandLine; | 41 class CommandLine; |
| 41 | 42 |
| 42 namespace base { | 43 namespace base { |
| 43 | 44 |
| 44 #if defined(OS_WIN) | 45 #if defined(OS_WIN) |
| 45 struct ProcessEntry : public PROCESSENTRY32 { | 46 struct ProcessEntry : public PROCESSENTRY32 { |
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| 632 // Enables low fragmentation heap (LFH) for every heaps of this process. This | 633 // Enables low fragmentation heap (LFH) for every heaps of this process. This |
| 633 // won't have any effect on heaps created after this function call. It will not | 634 // won't have any effect on heaps created after this function call. It will not |
| 634 // modify data allocated in the heaps before calling this function. So it is | 635 // modify data allocated in the heaps before calling this function. So it is |
| 635 // better to call this function early in initialization and again before | 636 // better to call this function early in initialization and again before |
| 636 // entering the main loop. | 637 // entering the main loop. |
| 637 // Note: Returns true on Windows 2000 without doing anything. | 638 // Note: Returns true on Windows 2000 without doing anything. |
| 638 bool EnableLowFragmentationHeap(); | 639 bool EnableLowFragmentationHeap(); |
| 639 | 640 |
| 640 // Enables 'terminate on heap corruption' flag. Helps protect against heap | 641 // Enables 'terminate on heap corruption' flag. Helps protect against heap |
| 641 // overflow. Has no effect if the OS doesn't provide the necessary facility. | 642 // overflow. Has no effect if the OS doesn't provide the necessary facility. |
| 642 void EnableTerminationOnHeapCorruption(); | 643 BASE_API void EnableTerminationOnHeapCorruption(); |
| 643 | 644 |
| 644 #if !defined(OS_WIN) | 645 #if !defined(OS_WIN) |
| 645 // Turns on process termination if memory runs out. This is handled on Windows | 646 // Turns on process termination if memory runs out. This is handled on Windows |
| 646 // inside RegisterInvalidParamHandler(). | 647 // inside RegisterInvalidParamHandler(). |
| 647 void EnableTerminationOnOutOfMemory(); | 648 void EnableTerminationOnOutOfMemory(); |
| 648 #if defined(OS_MACOSX) | 649 #if defined(OS_MACOSX) |
| 649 // Exposed for testing. | 650 // Exposed for testing. |
| 650 malloc_zone_t* GetPurgeableZone(); | 651 malloc_zone_t* GetPurgeableZone(); |
| 651 #endif | 652 #endif |
| 652 #endif | 653 #endif |
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| 669 // instance running inside the parent. The parent's Breakpad instance should | 670 // instance running inside the parent. The parent's Breakpad instance should |
| 670 // not handle the child's exceptions. Calling RestoreDefaultExceptionHandler | 671 // not handle the child's exceptions. Calling RestoreDefaultExceptionHandler |
| 671 // in the child after forking will restore the standard exception handler. | 672 // in the child after forking will restore the standard exception handler. |
| 672 // See http://crbug.com/20371/ for more details. | 673 // See http://crbug.com/20371/ for more details. |
| 673 void RestoreDefaultExceptionHandler(); | 674 void RestoreDefaultExceptionHandler(); |
| 674 #endif // defined(OS_MACOSX) | 675 #endif // defined(OS_MACOSX) |
| 675 | 676 |
| 676 } // namespace base | 677 } // namespace base |
| 677 | 678 |
| 678 #endif // BASE_PROCESS_UTIL_H_ | 679 #endif // BASE_PROCESS_UTIL_H_ |
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