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Diffstat (limited to 'lib/scudo/standalone/wrappers_c.h')
-rw-r--r-- | lib/scudo/standalone/wrappers_c.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/lib/scudo/standalone/wrappers_c.h b/lib/scudo/standalone/wrappers_c.h new file mode 100644 index 000000000000..33a0c53cec03 --- /dev/null +++ b/lib/scudo/standalone/wrappers_c.h @@ -0,0 +1,52 @@ +//===-- wrappers_c.h --------------------------------------------*- C++ -*-===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +#ifndef SCUDO_WRAPPERS_C_H_ +#define SCUDO_WRAPPERS_C_H_ + +#include "platform.h" +#include "stats.h" + +// Bionic's struct mallinfo consists of size_t (mallinfo(3) uses int). +#if SCUDO_ANDROID +typedef size_t __scudo_mallinfo_data_t; +#else +typedef int __scudo_mallinfo_data_t; +#endif + +struct __scudo_mallinfo { + __scudo_mallinfo_data_t arena; + __scudo_mallinfo_data_t ordblks; + __scudo_mallinfo_data_t smblks; + __scudo_mallinfo_data_t hblks; + __scudo_mallinfo_data_t hblkhd; + __scudo_mallinfo_data_t usmblks; + __scudo_mallinfo_data_t fsmblks; + __scudo_mallinfo_data_t uordblks; + __scudo_mallinfo_data_t fordblks; + __scudo_mallinfo_data_t keepcost; +}; + +// Android sometimes includes malloc.h no matter what, which yields to +// conflicting return types for mallinfo() if we use our own structure. So if +// struct mallinfo is declared (#define courtesy of malloc.h), use it directly. +#if STRUCT_MALLINFO_DECLARED +#define SCUDO_MALLINFO mallinfo +#else +#define SCUDO_MALLINFO __scudo_mallinfo +#endif + +#ifndef M_DECAY_TIME +#define M_DECAY_TIME -100 +#endif + +#ifndef M_PURGE +#define M_PURGE -101 +#endif + +#endif // SCUDO_WRAPPERS_C_H_ |