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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 <stdlib.h> | 5 #include <stdlib.h> |
| 6 | 6 |
| 7 #include "base/process/memory.h" | 7 #include "base/process/memory.h" |
| 8 | 8 |
| 9 #include "third_party/skia/include/core/SkTypes.h" | 9 #include "third_party/skia/include/core/SkTypes.h" |
| 10 | 10 |
| 11 // This implementation of sk_malloc_flags() and friends is similar to | 11 // This implementation of sk_malloc_flags() and friends is similar to |
| 12 // SkMemory_malloc.cpp, except it uses base::UncheckedMalloc and friends | 12 // SkMemory_malloc.cpp, except it uses base::UncheckedMalloc and friends |
| 13 // for non-SK_MALLOC_THROW calls. | 13 // for non-SK_MALLOC_THROW calls. |
| 14 // | 14 // |
| 15 // The name of this file is historic: a previous implementation tried to | 15 // The name of this file is historic: a previous implementation tried to |
| 16 // use std::set_new_handler() for the same effect, but it didn't actually work. | 16 // use std::set_new_handler() for the same effect, but it didn't actually work. |
| 17 | 17 |
| 18 static inline void* throw_on_failure(size_t size, void* p) { | 18 static inline void* throw_on_failure(size_t size, void* p) { |
| 19 if (size > 0 && p == NULL) { | 19 if (size > 0 && p == NULL) { |
| 20 // If we've got a NULL here, the only reason we should have failed is ru
nning out of RAM. | 20 // If we've got a NULL here, the only reason we should have failed is ru
nning out of RAM. |
| 21 sk_out_of_memory(); | 21 sk_out_of_memory(); |
| 22 } | 22 } |
| 23 return p; | 23 return p; |
| 24 } | 24 } |
| 25 | 25 |
| 26 void sk_throw() { | 26 void sk_abort_no_print() { |
| 27 SkASSERT(!"sk_throw"); | 27 abort(); |
| 28 abort(); | |
| 29 } | 28 } |
| 30 | 29 |
| 31 void sk_out_of_memory(void) { | 30 void sk_out_of_memory(void) { |
| 32 SkASSERT(!"sk_out_of_memory"); | 31 SkASSERT(!"sk_out_of_memory"); |
| 33 abort(); | 32 abort(); |
| 34 } | 33 } |
| 35 | 34 |
| 36 void* sk_realloc_throw(void* addr, size_t size) { | 35 void* sk_realloc_throw(void* addr, size_t size) { |
| 37 return throw_on_failure(size, realloc(addr, size)); | 36 return throw_on_failure(size, realloc(addr, size)); |
| 38 } | 37 } |
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| 93 result = calloc(1, size); | 92 result = calloc(1, size); |
| 94 #else | 93 #else |
| 95 // It's the responsibility of the caller to check the return value. | 94 // It's the responsibility of the caller to check the return value. |
| 96 ignore_result(base::UncheckedCalloc(size, 1, &result)); | 95 ignore_result(base::UncheckedCalloc(size, 1, &result)); |
| 97 #endif | 96 #endif |
| 98 if (result) { | 97 if (result) { |
| 99 prevent_overcommit(0, size, result); | 98 prevent_overcommit(0, size, result); |
| 100 } | 99 } |
| 101 return result; | 100 return result; |
| 102 } | 101 } |
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