---
name: "function::sid"
section: "3stap"
platform: "linux"
package: "systemtap-doc"
version: "5.1-5"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/function::sid"
---

# function::sid(3stap)

Returns the session ID of the current process

## NAME

function::sid - Returns the session ID of the current process

## SYNOPSIS

```
    sid:long()
```

## ARGUMENTS

None

## DESCRIPTION

The session ID of a process is the process group ID of the session leader. Session ID is stored in the signal\_struct since Kernel 2.6.0.

## SEE ALSO0

[*tapset::context*(3stap)](/tapset::context/3stap.md)