2 * Copyright 2016-present Facebook, Inc.
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
21 #include <folly/CPortability.h>
22 #include <folly/portability/Config.h>
24 #if (defined(USE_JEMALLOC) || defined(FOLLY_USE_JEMALLOC)) && !FOLLY_SANITIZE
25 // JEMalloc provides it's own implementation of
26 // malloc_usable_size, and that's what we should be using.
27 #include <jemalloc/jemalloc.h>
33 #if defined(__APPLE__) && !defined(FOLLY_HAVE_MALLOC_USABLE_SIZE)
34 // MacOS doesn't have malloc_usable_size()
35 extern "C" size_t malloc_usable_size(void* ptr);
37 extern "C" size_t malloc_usable_size(void* ptr);