# PR_DestroyMonitor

Destroys a monitor object.

## Syntax

```{code}
#include <prmon.h>

void PR_DestroyMonitor(PRMonitor *mon);
```

### Parameter

The function has the following parameter:

`mon`

: A reference to an existing structure of type {ref}`PRMonitor`.

## Description

The caller is responsible for guaranteeing that the monitor is no longer
in use before calling {ref}`PR_DestroyMonitor`. There must be no thread
(including the calling thread) in the monitor or waiting on the monitor.