---
name: "mongoc_socket_listen"
section: "3"
platform: "linux"
package: "libmongoc-doc"
version: "1.30.4-1+deb13u3"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/mongoc_socket_listen"
---

# mongoc\_socket\_listen(3)

## SYNOPSIS

```
int
mongoc_socket_listen (mongoc_socket_t *sock, unsigned int backlog);
```

## PARAMETERS

- •

  **sock**: A *mongoc\_socket\_t*.

- •

  **backlog**: An int containing max backlog size.

## DESCRIPTION

This function is similar to the BSD sockets **listen()** function. It is meant for socket servers.

## RETURNS

0 on success, -1 on failure and errno is set.

## AUTHOR

MongoDB, Inc

## COPYRIGHT

2009-present, MongoDB, Inc.