1//===-- wrappers_c.h --------------------------------------------*- C++ -*-===// 2// 3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4// See https://llvm.org/LICENSE.txt for license information. 5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6// 7//===----------------------------------------------------------------------===// 8 9#ifndef SCUDO_WRAPPERS_C_H_ 10#define SCUDO_WRAPPERS_C_H_ 11 12#include "platform.h" 13#include "stats.h" 14 15// Bionic's struct mallinfo consists of size_t (mallinfo(3) uses int). 16#if SCUDO_ANDROID 17typedef size_t __scudo_mallinfo_data_t; 18#else 19typedef int __scudo_mallinfo_data_t; 20#endif 21 22struct __scudo_mallinfo { 23 __scudo_mallinfo_data_t arena; 24 __scudo_mallinfo_data_t ordblks; 25 __scudo_mallinfo_data_t smblks; 26 __scudo_mallinfo_data_t hblks; 27 __scudo_mallinfo_data_t hblkhd; 28 __scudo_mallinfo_data_t usmblks; 29 __scudo_mallinfo_data_t fsmblks; 30 __scudo_mallinfo_data_t uordblks; 31 __scudo_mallinfo_data_t fordblks; 32 __scudo_mallinfo_data_t keepcost; 33}; 34 35// Android sometimes includes malloc.h no matter what, which yields to 36// conflicting return types for mallinfo() if we use our own structure. So if 37// struct mallinfo is declared (#define courtesy of malloc.h), use it directly. 38#if STRUCT_MALLINFO_DECLARED 39#define SCUDO_MALLINFO mallinfo 40#else 41#define SCUDO_MALLINFO __scudo_mallinfo 42#endif 43 44#ifndef M_DECAY_TIME 45#define M_DECAY_TIME -100 46#endif 47 48#ifndef M_PURGE 49#define M_PURGE -101 50#endif 51 52#endif // SCUDO_WRAPPERS_C_H_ 53