---
name: "Socket::Linux"
section: "3pm"
platform: "linux"
package: "libsocket-linux-perl"
version: "0.01-3+b4"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/Socket::Linux"
---

# Socket::Linux(3pm)

Socket constants defined in Linux \<netinet/tcp.h\>

## NAME

Socket::Linux - Socket constants defined in Linux \<netinet/tcp.h\>

## SYNOPSIS

```
  use Socket qw(IPPROTO_TCP);
  use Socket::Linux qw(TCP_KEEPINTVL TCP_KEEPIDLE TCP_KEEPCNT);
  setsockopt($sock, IPPROTO_TCP, TCP_KEEPIDLE,  10);
  setsockopt($sock, IPPROTO_TCP, TCP_KEEPINTVL, 10);
  setsockopt($sock, IPPROTO_TCP, TCP_KEEPCNT,    3);
```

## DESCRIPTION

Exports to perl the constants defined in Linux \<netinet/tcp.h\>

## SEE ALSO

Socket, perlfunc, [**tcp**(7)](/tcp/7.md).

## AUTHOR

Salvador Fandiño (sfandino@yahoo.com)

## COPYRIGHT AND LICENSE

Copyright (C) 2010 by Qindel Formación y Servicios SL.

This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself, either Perl version 5.10.1 or, at your option, any later version of Perl 5 you may have available.