# PR_AtomicIncrement

Atomically increments a 32-bit value.

## Syntax

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

PRInt32 PR_AtomicIncrement(PRInt32 *val);
```

### Parameter

The function has the following parameter:

`val`

: A pointer to the value to increment.

### Returns

The function returns the incremented value (i.e., the result).

## Description

The referenced variable is incremented by one. The result of the
function is the value of the memory after the operation. The writing of
the memory is unconditional.