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//===-- msan_allocator.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
//
//===----------------------------------------------------------------------===//
//
// This file is a part of MemorySanitizer.
//
//===----------------------------------------------------------------------===//
#ifndef MSAN_ALLOCATOR_H
#define MSAN_ALLOCATOR_H
#include "sanitizer_common/sanitizer_common.h"
namespace __msan {
struct MsanThreadLocalMallocStorage {
// Allocator cache contains atomic_uint64_t which must be 8-byte aligned.
ALIGNED(8) uptr allocator_cache[96 * (512 * 8 + 16)]; // Opaque.
void Init();
void CommitBack();
private:
// These objects are allocated via mmap() and are zero-initialized.
MsanThreadLocalMallocStorage() {}
};
void LockAllocator();
void UnlockAllocator();
} // namespace __msan
#endif // MSAN_ALLOCATOR_H
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