The specific kill signal sent to the process
The name of the signal recipient
A string representation of the signal
The PID of the thread receiving the kill signal
The thread group ID of the thread receiving the kill signal
Name of the probe point
A task handle to the signal recipient
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.