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

# RtlLeaveCriticalSection(3w)

## NAME

**RtlLeaveCriticalSection** (NTDLL.@)

## SYNOPSIS

NTSTATUS RtlLeaveCriticalSection\
  (\
   RTL\_CRITICAL\_SECTION\* *crit*\
  )

## DESCRIPTION

Leaves a critical section.

## PARAMS

*crit* **\[In/Out\]**  Critical section to leave.

## RETURNS

**STATUS\_SUCCESS**.

## SEE

RtlInitializeCriticalSectionEx(), RtlInitializeCriticalSection(), **[RtlInitializeCriticalSectionAndSpinCount(3w)](/RtlInitializeCriticalSectionAndSpinCount/3w.md)**, RtlDeleteCriticalSection(), **[RtlEnterCriticalSection(3w)](/RtlEnterCriticalSection/3w.md)**, RtlSetCriticalSectionSpinCount(), **[RtlTryEnterCriticalSection(3w)](/RtlTryEnterCriticalSection/3w.md)**

## IMPLEMENTATION

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

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

Debug channel **"ntdll"**.