Elliott Hughes | 15b641a | 2014-05-14 18:18:55 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2008 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #include <new> |
Elliott Hughes | f44b232 | 2016-05-26 17:35:00 -0700 | [diff] [blame] | 18 | |
| 19 | #include <errno.h> |
Elliott Hughes | 15b641a | 2014-05-14 18:18:55 -0700 | [diff] [blame] | 20 | #include <stdlib.h> |
| 21 | |
Christopher Ferris | 7a3681e | 2017-04-24 17:48:32 -0700 | [diff] [blame] | 22 | #include <async_safe/log.h> |
Dan Albert | 9897259 | 2014-05-30 16:00:53 -0700 | [diff] [blame] | 23 | |
Peter Collingbourne | 9397bdd | 2020-12-08 14:26:21 -0800 | [diff] [blame^] | 24 | __attribute__((weak)) const std::nothrow_t std::nothrow = {}; |
Elliott Hughes | 15b641a | 2014-05-14 18:18:55 -0700 | [diff] [blame] | 25 | |
| 26 | void* operator new(std::size_t size) { |
| 27 | void* p = malloc(size); |
Yi Kong | 32bc0fc | 2018-08-02 17:31:13 -0700 | [diff] [blame] | 28 | if (p == nullptr) { |
Christopher Ferris | 7a3681e | 2017-04-24 17:48:32 -0700 | [diff] [blame] | 29 | async_safe_fatal("new failed to allocate %zu bytes", size); |
Elliott Hughes | 15b641a | 2014-05-14 18:18:55 -0700 | [diff] [blame] | 30 | } |
| 31 | return p; |
| 32 | } |
| 33 | |
| 34 | void* operator new[](std::size_t size) { |
| 35 | void* p = malloc(size); |
Yi Kong | 32bc0fc | 2018-08-02 17:31:13 -0700 | [diff] [blame] | 36 | if (p == nullptr) { |
Christopher Ferris | 7a3681e | 2017-04-24 17:48:32 -0700 | [diff] [blame] | 37 | async_safe_fatal("new[] failed to allocate %zu bytes", size); |
Elliott Hughes | 15b641a | 2014-05-14 18:18:55 -0700 | [diff] [blame] | 38 | } |
| 39 | return p; |
| 40 | } |
| 41 | |
Chih-Hung Hsieh | ae558d6 | 2014-08-25 12:08:19 -0700 | [diff] [blame] | 42 | void operator delete(void* ptr) throw() { |
Elliott Hughes | 15b641a | 2014-05-14 18:18:55 -0700 | [diff] [blame] | 43 | free(ptr); |
| 44 | } |
| 45 | |
Chih-Hung Hsieh | ae558d6 | 2014-08-25 12:08:19 -0700 | [diff] [blame] | 46 | void operator delete[](void* ptr) throw() { |
Elliott Hughes | 15b641a | 2014-05-14 18:18:55 -0700 | [diff] [blame] | 47 | free(ptr); |
| 48 | } |
| 49 | |
| 50 | void* operator new(std::size_t size, const std::nothrow_t&) { |
| 51 | return malloc(size); |
| 52 | } |
| 53 | |
| 54 | void* operator new[](std::size_t size, const std::nothrow_t&) { |
| 55 | return malloc(size); |
| 56 | } |
| 57 | |
Chih-Hung Hsieh | ae558d6 | 2014-08-25 12:08:19 -0700 | [diff] [blame] | 58 | void operator delete(void* ptr, const std::nothrow_t&) throw() { |
Elliott Hughes | 15b641a | 2014-05-14 18:18:55 -0700 | [diff] [blame] | 59 | free(ptr); |
| 60 | } |
| 61 | |
Chih-Hung Hsieh | ae558d6 | 2014-08-25 12:08:19 -0700 | [diff] [blame] | 62 | void operator delete[](void* ptr, const std::nothrow_t&) throw() { |
Elliott Hughes | 15b641a | 2014-05-14 18:18:55 -0700 | [diff] [blame] | 63 | free(ptr); |
| 64 | } |