PROBE::SIGNAL.SYS_

Section: Signal Tapset (3stap)
Updated: October 2025
Index Return to Main Contents

NAME

probe::signal.sys_tgkill - Sending kill signal to a thread group

SYNOPSIS

signal.sys_tgkill

VALUES

task

: A task handle to the signal recipient

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

tgid

: The thread group ID of the thread receiving the kill signal

pid_name

: The name of the signal recipient

name

: Name of the probe point

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.