---
name: "io_uring_sq_space_left"
section: "3"
platform: "linux"
package: "liburing"
version: "2.15-1"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/io_uring_sq_space_left"
---

# io\_uring\_sq\_space\_left(3)

free space in the SQ ring

## NAME

io\_uring\_sq\_space\_left - free space in the SQ ring

## SYNOPSIS

```
#include <liburing.h>
```

**unsigned io\_uring\_sq\_space\_left(const struct io\_uring \****ring***);**

## DESCRIPTION

The [**io\_uring\_sq\_space\_left**(3)](/io_uring_sq_space_left/3.md) function returns how much space is left in the SQ ring belonging to the *ring* param.

## RETURN VALUE

Returns the number of availables entries in the SQ ring.

## SEE ALSO

[**io\_uring\_sq\_ready**(3)](/io_uring_sq_ready/3.md)