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- /*
- * Copyright 2016-present Facebook, Inc.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
- #pragma once
- #include <stdlib.h>
- #include <folly/CPortability.h>
- #include <folly/portability/Config.h>
- #if (defined(USE_JEMALLOC) || defined(FOLLY_USE_JEMALLOC)) && !FOLLY_SANITIZE
- // JEMalloc provides it's own implementation of
- // malloc_usable_size, and that's what we should be using.
- #include <jemalloc/jemalloc.h>
- #else
- #ifndef __APPLE__
- #include <malloc.h>
- #endif
- #if defined(__APPLE__) && !defined(FOLLY_HAVE_MALLOC_USABLE_SIZE)
- // MacOS doesn't have malloc_usable_size()
- extern "C" size_t malloc_usable_size(void* ptr);
- #elif defined(_WIN32)
- extern "C" size_t malloc_usable_size(void* ptr);
- #endif
- #endif
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