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