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

# probe::signal.sys\_tkill(3stap)

Sending a kill signal to a thread

## NAME

probe::signal.sys\_tkill - Sending a kill signal to a thread

## SYNOPSIS

```
signal.sys_tkill
```

## VALUES

*sig\_pid*

The PID of the process receiving the kill signal

*sig*

The specific signal sent to the process

*sig\_name*

A string representation of the signal

*name*

Name of the probe point

*task*

A task handle to the signal recipient

*pid\_name*

The name of the signal recipient

## DESCRIPTION

The tkill call is analogous to [kill(2)](/kill/2.md), except that it also allows a process within a specific thread group to be targeted. Such processes are targeted through their unique thread IDs (TID).

## SEE ALSO0

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