Provided by: systemtap-doc_2.3-1ubuntu1.4_all 

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 pid_name The name of the signal recipient sig_name A string representation of the signal sig The specific signal sent to the process name Name of the probe point
DESCRIPTION
The tkill call is analogous to kill(2), 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).