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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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 #include "base/debug/alias.h" | 5 #include "base/debug/alias.h" |
6 #include "base/logging.h" | 6 #include "base/logging.h" |
7 #include "base/process/memory.h" | 7 #include "base/process/memory.h" |
8 #include "build/build_config.h" | 8 #include "build/build_config.h" |
9 | 9 |
10 namespace base { | 10 namespace base { |
11 | 11 |
| 12 // Defined in memory_win.cc for Windows. |
| 13 #if !defined(OS_WIN) |
| 14 |
12 namespace { | 15 namespace { |
13 | 16 |
14 // Breakpad server classifies base::`anonymous namespace'::OnNoMemory as | 17 // Breakpad server classifies base::`anonymous namespace'::OnNoMemory as |
15 // out-of-memory crash. | 18 // out-of-memory crash. |
16 NOINLINE void OnNoMemory(size_t size) { | 19 NOINLINE void OnNoMemory(size_t size) { |
17 size_t tmp_size = size; | 20 size_t tmp_size = size; |
18 base::debug::Alias(&tmp_size); | 21 base::debug::Alias(&tmp_size); |
19 LOG(FATAL) << "Out of memory. size=" << tmp_size; | 22 LOG(FATAL) << "Out of memory. size=" << tmp_size; |
20 } | 23 } |
21 | 24 |
22 } // namespace | 25 } // namespace |
23 | 26 |
24 void TerminateBecauseOutOfMemory(size_t size) { | 27 void TerminateBecauseOutOfMemory(size_t size) { |
25 OnNoMemory(size); | 28 OnNoMemory(size); |
26 } | 29 } |
27 | 30 |
| 31 #endif |
| 32 |
28 // Defined in memory_mac.mm for Mac. | 33 // Defined in memory_mac.mm for Mac. |
29 #if !defined(OS_MACOSX) | 34 #if !defined(OS_MACOSX) |
30 | 35 |
31 bool UncheckedCalloc(size_t num_items, size_t size, void** result) { | 36 bool UncheckedCalloc(size_t num_items, size_t size, void** result) { |
32 const size_t alloc_size = num_items * size; | 37 const size_t alloc_size = num_items * size; |
33 | 38 |
34 // Overflow check | 39 // Overflow check |
35 if (size && ((alloc_size / size) != num_items)) { | 40 if (size && ((alloc_size / size) != num_items)) { |
36 *result = NULL; | 41 *result = NULL; |
37 return false; | 42 return false; |
38 } | 43 } |
39 | 44 |
40 if (!UncheckedMalloc(alloc_size, result)) | 45 if (!UncheckedMalloc(alloc_size, result)) |
41 return false; | 46 return false; |
42 | 47 |
43 memset(*result, 0, alloc_size); | 48 memset(*result, 0, alloc_size); |
44 return true; | 49 return true; |
45 } | 50 } |
46 | 51 |
47 #endif | 52 #endif |
48 | 53 |
49 } // namespace base | 54 } // namespace base |
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