Sends the UNIX signal signal_num to the subprocess, if it is still running.
This API is race-free. If the subprocess has terminated, it will not be signalled.
This API is not available on Windows.
the signal number to send
Sends the UNIX signal signal_num to the subprocess, if it is still running.
This API is race-free. If the subprocess has terminated, it will not be signalled.
This API is not available on Windows.