def send_signal()

in dcrpm/pidutil.py [0:0]

• 17 lines of code
• 4 McCabe index (conditional complexity)

def send_signal(proc, sig, timeout=DEFAULT_TIMEOUT):
    # type: (psutil.Process, enum.IntEnum, int) -> bool
    """
    Sends signal `sig` to process `proc`, waiting on each and handles timeouts
    as well as nonexistent pids. Returns whether pid was successfully sent
    signal.
    """
    # Don't accidentally signal core system processes.
    pid = proc.pid
    if pid < MIN_PID:
        logger.warning("Refusing to kill pid %d", pid)
        return False

    signame = str(sig).split(".")[-1]
    logger.info("Sending signal %s to pid %d", signame, pid)
    try:
        proc.send_signal(sig)
        proc.wait(timeout=timeout)
    except psutil.NoSuchProcess:
        logger.debug("Pid %d does not exist", pid)
        return False
    except psutil.TimeoutExpired:
        logger.debug("Timed out after %ds waiting for %d", timeout, pid)
        return False

    return True