---
name: "XtAppLock"
section: "3"
platform: "linux"
package: "libxt"
version: "1.3.1-1"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/XtAppLock"
---

# XtAppLock(3)

lock and unlock application context

## NAME

XtAppLock, XtAppUnlock - lock and unlock application context

## SYNTAX

\#include \<X11/Intrinsic.h\>

void XtAppLock(XtAppContext *app\_context*);

void XtAppUnlock(XtAppContext *app\_context*);

## ARGUMENTS

- *app\_context*

  Specifies the application context.

## DESCRIPTION

**XtAppLock** locks the application context including all its related displays and widgets.

**XtAppUnlock** unlocks the application context.

## SEE ALSO

*X Toolkit Intrinsics - C Language Interface*\
 *Xlib - C Language X Interface*