---
name: "RtlLockHeap"
section: "3w"
platform: "linux"
package: "libwine-dev"
version: "1.4.1-4"
release: "Debian 7 (Wheezy)"
platforms: ["linux"]
url: "https://new.carta.tech/RtlLockHeap"
---

# RtlLockHeap(3w)

## NAME

**RtlLockHeap** (NTDLL.@)

## SYNOPSIS

BOOLEAN RtlLockHeap\
  (\
   HANDLE *heap*\
  )

## DESCRIPTION

Lock a Heap.

## PARAMS

*heap* **\[In\]**  Heap to lock.

## RETURNS

**Success:** **TRUE**. The Heap is locked.

**Failure:** **FALSE**, if *heap* is invalid.

## IMPLEMENTATION

Declared in **"winternl.h"**.

Implemented in **"dlls/ntdll/heap.c"**.

Debug channel **"heap"**.