---
name: "qb_atomic_int_add"
section: "3"
platform: "linux"
package: "libqb"
version: "2.0.10-1"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/qb_atomic_int_add"
---

# qb\_atomic\_int\_add(3)

Atomically adds val to the integer pointed to by atomic.

## NAME

qb\_atomic\_int\_add - Atomically adds val to the integer pointed to by atomic.

## SYNOPSIS

```
#include <qb/qbatomic.h>

void qb_atomic_int_add(
    volatile int32_t QB_GNUC_MAY_ALIAS   *atomic,  /* a pointer to an integer */
    int32_t                               val      /* the value to add to *atomic */
);
```

## PARAMS

**atomic** *a pointer to an integer*

**val**    *the value to add to \*atomic*

## DESCRIPTION

Also acts as a memory barrier.

## SEE ALSO

[*qb\_atomic\_int\_set*(3)](/qb_atomic_int_set/3.md), [*qb\_atomic\_int\_compare\_and\_exchange*(3)](/qb_atomic_int_compare_and_exchange/3.md), [*qb\_atomic\_int\_get*(3)](/qb_atomic_int_get/3.md), [*qb\_atomic\_init*(3)](/qb_atomic_init/3.md), [*qb\_atomic\_pointer\_get*(3)](/qb_atomic_pointer_get/3.md), [*qb\_atomic\_int\_exchange\_and\_add*(3)](/qb_atomic_int_exchange_and_add/3.md), [*qb\_atomic\_pointer\_compare\_and\_exchange*(3)](/qb_atomic_pointer_compare_and_exchange/3.md), [*qb\_atomic\_pointer\_set*(3)](/qb_atomic_pointer_set/3.md)

## COPYRIGHT

Copyright (C) 2003 Sebastian Wilhelmi