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#pragma once
#include "ref.h"
namespace NYT {
////////////////////////////////////////////////////////////////////////////////
//! Poisons an uninitialized slice of memory.
/*
* In release builds, does nothing.
* In checked builds, clobbers memory with a garbage pattern.
* In ASAN builds, does nothing.
* In MSAN builds, invokes sanitizer poisoning to catch uninit-read.
*/
void PoisonUninitializedMemory(TMutableRef ref);
//! Poisons a freed slice of memory.
/*
* In release builds, does nothing.
* In checked builds, clobbers memory with a garbage pattern.
* In ASAN and MSAN builds, invokes sanitizer poisoning to catch use-after-free.
*/
void PoisonFreedMemory(TMutableRef ref);
//! Indicates that a slice of memory that was previously given to #PoisonFreedMemory
//! has been recycled and can be reused.
/*!
* In release builds, does nothing.
* In checked builds, clobbers memory with a garbage pattern.
* In ASAN builds, invokes sanitizer unpoisoning.
* In MSAN builds, does nothing (the memory remains poisoned to catch uninit-read).
*/
void RecycleFreedMemory(TMutableRef ref);
//! Poisons an uninitialized or freed slice of memory.
//! Unlike the functions above, it is intended to be used with system allocator,
//! for which ASAN and MSAN already wrap malloc and free calls.
/*
* In release builds, does nothing.
* In checked builds, clobbers memory with a garbage pattern.
* In ASAN builds, does nothing.
* In MSAN builds, does nothing.
*/
void PoisonUnitializedOrFreedMemory(TMutableRef ref);
////////////////////////////////////////////////////////////////////////////////
} // namespace NYT
#define POISON_INL_H_
#include "poison-inl.h"
#undef POISON_INL_H_
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