---
name: "probe::signal.sys_tgkill"
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_tgkill"
---

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

Sending kill signal to a thread group

## NAME

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

## SYNOPSIS

```
signal.sys_tgkill
```

## VALUES

*sig\_name*

A string representation of the signal

*sig\_pid*

The PID of the thread receiving the kill signal

*sig*

The specific kill signal sent to the process

*task*

A task handle to the signal recipient

*name*

Name of the probe point

*pid\_name*

The name of the signal recipient

*tgid*

The thread group ID of the thread receiving the kill signal

## DESCRIPTION

The tgkill call is similar to tkill, except that it also allows the caller to specify the thread group ID of the thread to be signalled. This protects against TID reuse.

## SEE ALSO0

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